NETL Multiphase Flow Science Publications

Sofiane Benyahia, 'Simulation of heavy particles fluidized with non-Newtonian fluids', Powder Technology, Volume 433, 119261, 2024 https://doi.org/10.1016/j.powtec.2023.119261. (https://www.sciencedirect.com/science/article/pii/S0032591023010446)

Sofiane Benyahia, Augusto Neri, 'Numerical study of deaeration of aeratable particles', Powder Technology, Volume 445, 120038, 2024 https://doi.org/10.1016/j.powtec.2024.120038. (https://www.sciencedirect.com/science/article/pii/S003259102400682X)

M. Dosta, D. Andre, V. Angelidakis, R.A. Caulk, M.A. Celigueta, B. Chareyre, J.-F. Dietiker, J. Girardot, N. Govender, C. Hubert, R. Kobyłka, A.F. Moura, V. Skorych, D.K. Weatherley, T. Weinhart, 'Comparing open-source DEM frameworks for simulations of common bulk processes', Computer Physics Communications, Volume 296, 109066, 2024 https://doi.org/10.1016/j.cpc.2023.109066. (https://www.sciencedirect.com/science/article/pii/S0010465523004113)

Roberto Porcu, Jordan Musser, Ann S. Almgren, John B. Bell, William D. Fullmer, Deepak Rangarajan, MFIX-Exa: CFD-DEM simulations of thermodynamics and chemical reactions in multiphase flows, Chemical Engineering Science, Volume 273, 2023, 118614, ISSN 0009-2509, https://doi.org/10.1016/j.ces.2023.118614. (https://www.sciencedirect.com/science/article/pii/S0009250923001707)

Musser J, Almgren AS, Fullmer WD, et al. MFIX-Exa: A path toward exascale CFD-DEM simulations. The International Journal of High Performance Computing Applications. 2022;36(1):40-58. doi:10.1177/10943420211009293. (https://journals.sagepub.com/doi/full/10.1177/10943420211009293)

Deepthi Vaidhynathan, Hariswaran Sitaraman, Ray Grout, Thomas Hauser, Christine M. Hrenya, Jordan Musser, 'Memory access optimization for particle operations in computational fluid dynamics-discrete element method simulations', Particuology, Volume 78, Pages 97-110, 2023 https://doi.org/10.1016/j.partic.2022.10.004. (https://www.sciencedirect.com/science/article/pii/S1674200122002231)

Subhodeep Banerjee, Mehrdad Shahnam, William A. Rogers, Robin W. Hughes, 'Transient simulation of biomass combustion in a circulating fluidized bed riser', Energy, Volume 264, 126127, 2023 https://doi.org/10.1016/j.energy.2022.126127. (https://www.sciencedirect.com/science/article/pii/S0360544222030134)

Liqiang Lu, Xi Gao, Jean-François Dietiker, Mehrdad Shahnam, William A. Rogers, 'MFiX based multi-scale CFD simulations of biomass fast pyrolysis: A review', Chemical Engineering Science, Volume 248, Part A, 117131, 2022 https://doi.org/10.1016/j.ces.2021.117131. (https://www.sciencedirect.com/science/article/pii/S0009250921006965)

Lu, L. Q. L., C.; Rowan, S.; Hughes, B.; Gao, X.; Shahnam, M.; Rogers, W. A. "Experiment and computational fluid dynamics investigation of biochar elutriation in fluidized bed," Aiche Journal Vol. 68, No. 2, 2022, p. 11.

Xi Gao, Jia Yu, Ricardo J.F. Portal, Jean-François Dietiker, Mehrdad Shahnam, William A. Rogers, 'Development and validation of SuperDEM for non-spherical particulate systems using a superquadric particle method', Particuology, Volume 61, Pages 74-90, 2022 https://doi.org/10.1016/j.partic.2020.11.007. (https://www.sciencedirect.com/science/article/pii/S1674200121000146)

Liqiang Lu, M. Brennan Pecha, Gavin M. Wiggins, Yupeng Xu, Xi Gao, Bryan Hughes, Mehrdad Shahnam, William A. Rogers, Daniel Carpenter, James E. Parks, 'Multiscale CFD simulation of biomass fast pyrolysis with a machine learning derived intra-particle model and detailed pyrolysis kinetics', Chemical Engineering Journal, Volume 431, Part 1, 133853, 2022 https://doi.org/10.1016/j.cej.2021.133853. (https://www.sciencedirect.com/science/article/pii/S1385894721054267)

Liqiang Lu, 'GPU accelerated MFiX-DEM simulations of granular and multiphase flows', Particuology, Volume 62, Pages 14-24, 2022 https://doi.org/10.1016/j.partic.2021.08.001. (https://www.sciencedirect.com/science/article/pii/S1674200121001462)

Jia Yu, Liqiang Lu, Yupeng Xu, Xi Gao, Mehrdad Shahnam, and William Rogers, Coarse-Grained CFD-DEM Simulation and the Design of an Industrial-Scale Coal Gasifier, Industrial Engineering and Chemistry Research, 2022, Volume 61,  No. 1, 866–881, https://doi.org/10.1021/acs.iecr.1c03386

Chandramouli, D.; Clarke, M. A.; Perovskite Sorbent Oxygen Separation Modeling with MFiX; DOE.NETL-2022.3727; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2022; p 40. DOI: 10.2172/1843379.

Yupeng Du, Xiaoping Chen, Shuo Li, Abdallah Sofiane Berrouk, Wanzhong Ren, Chaohe Yang, 'Revisiting a large-scale FCC riser reactor with a particle-scale model', Chemical Engineering Science, Volume 249, 117300, 2022 https://doi.org/10.1016/j.ces.2021.117300. (https://www.sciencedirect.com/science/article/pii/S0009250921008654)

William D. Fullmer, Roberto Porcu, Jordan Musser, Ann S. Almgren, Ishan Srivastava, 'The divergence of nearby trajectories in soft-sphere DEM', Particuology, Volume 63, Pages 1-8, 2022 https://doi.org/10.1016/j.partic.2021.06.008. (https://www.sciencedirect.com/science/article/pii/S1674200121001279)

Sanjay Kumar Devendhar Singh, Jean-François Dietiker, Kathy Lu, 'Polysiloxane coatings on microspheres based on Multiphase Flow with Interface Exchange-Discrete Element Modelling', Particuology, Volume 69, Pages 88-99, 2022 https://doi.org/10.1016/j.partic.2021.12.003. (https://www.sciencedirect.com/science/article/pii/S1674200121002418)

Li, C, Gao, X, Rowan, SL, Hughes, B, Rogers, WA. Measuring binary fluidization of nonspherical and spherical particles using machine learning aided image processing. AIChE J. 2022; 68( 7):e17693. doi:10.1002/aic.17693

Oluwafemi A. Oyedeji, M. Brennan Pecha, Charles E.A. Finney, Chad A. Peterson, Ryan G. Smith, Zachary G. Mills, Xi Gao, Mehrdad Shahnam, William A. Rogers, Peter N. Ciesielski, Robert C. Brown, James E. Parks II, 'CFD–DEM modeling of autothermal pyrolysis of corn stover with a coupled particle- and reactor-scale framework', Chemical Engineering Journal, Volume 446, Part 2, 136920, 2022 https://doi.org/10.1016/j.cej.2022.136920. (https://www.sciencedirect.com/science/article/pii/S1385894722024147)

Xu, Y.; Shahnam, M.; Rogers, W. A. CFD Simulation of Biomass Pyrolysis Vapor Upgrading over a Pt/TiO2 Catalyst in Fixed and Moving Beds; DOE.NETL-2022.3734; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2022; p 40. https://edx.netl.doe.gov/dataset/cfd-simulation-of-biomass-pyrolysis-vapor-upgrading-over-a-pt-tio2-catalyst-in-fixed-and-moving-beds. DOI: 10.2172/1886683.

Sathish K.P. Sanjeevi, Jean F. Dietiker, Johan T. Padding, 'Accurate hydrodynamic force and torque correlations for prolate spheroids from Stokes regime to high Reynolds numbers', Chemical Engineering Journal, Volume 444, 136325, 2022 https://doi.org/10.1016/j.cej.2022.136325. (https://www.sciencedirect.com/science/article/pii/S1385894722018204)

Sofiane Benyahia, 'Selecting the best approach for fluidized bed simulation of aeratable particles', Powder Technology, Volume 399, 117178, 2022 https://doi.org/10.1016/j.powtec.2022.117178. (https://www.sciencedirect.com/science/article/pii/S0032591022000729)

Soumya Dutta, Terece Turton, David Rogers, Jordan M. Musser, James Ahrens, Ann S. Almgren, 'In situ feature analysis for large-scale multiphase flow simulations', Journal of Computational Science, Volume 63, 101773, 2022 https://doi.org/10.1016/j.jocs.2022.101773. (https://www.sciencedirect.com/science/article/pii/S1877750322001533)

A. Giuliani, A.S. Almgren, J.B. Bell, M.J. Berger, M.T. Henry de Frahan, D. Rangarajan, 'A weighted state redistribution algorithm for embedded boundary grids', Journal of Computational Physics, Volume 464, 111305, 2022 https://doi.org/10.1016/j.jcp.2022.111305. (https://www.sciencedirect.com/science/article/pii/S0021999122003679)

Amit K. Thakur, Rahul Kumar, Nilanjana Banerjee, Pranava Chaudhari, Gajendra Kumar Gaurav, 'Hydrodynamic modeling of liquid-solid flow in polyolefin slurry reactors using CFD techniques – A critical analysis', Powder Technology, Volume 405, 117544, 2022 https://doi.org/10.1016/j.powtec.2022.117544. (https://www.sciencedirect.com/science/article/pii/S0032591022004387)

Xu, Y. G., Xi; Li, Tingwen. "Numerical study of the bi-disperse particles segregation inside a spherical tumbler with Discrete Element Method (DEM)," Computers & Mathematics with Applications Vol. 81, 2021, pp. 588-601. https://doi.org/10.1016/j.camwa.2019.07.018. (https://www.sciencedirect.com/science/article/pii/S0898122119303621)

Cheng Li, Rupendranath Panday, Xi Gao, Jiarong Hong, William A. Rogers, Measuring particle dynamics in a fluidized bed using digital in-line holography, Chemical Engineering Journal, Volume 405, 1 February 2021, 126824, https://doi.org/10.1016/j.cej.2020.126824. (https://www.sciencedirect.com/science/article/pii/S1385894720329521)

Lu, L. G., Xi; Gel, Aytekin; Wiggins, Gavin M.; Crowley, Meagan; Pecha, Brennan; Shahnam, Mehrdad; Rogers, William A.; Parks, James; Ciesielski, Peter N. "Investigating biomass composition and size effects on fast pyrolysis using global sensitivity analysis and CFD simulations," Chemical Engineering Journal Vol. 421, 2021, p. 127789. https://doi.org/10.1016/j.cej.2020.127789. (https://www.sciencedirect.com/science/article/pii/S1385894720339097)

Gel, A.; Vaidheeswaran, A.; Clarke M. A.; Deterministic Calibration of MFiX-PIC, Part 1: Settling Bed; DOE.NETL-2021.2646; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2021; p 72. DOI: 10.2172/1764832.

Amoolya D. Lalsare, Brian Leonard, Brandon Robinson, Ali C. Sivri, Roman Vukmanovich, Cosmin Dumitrescu, William Rogers, Jianli Hu, Self-regenerable carbon nanofiber supported Fe – Mo2C catalyst for CH4-CO2 assisted reforming of biomass to hydrogen rich syngas, Applied Catalysis B: Environmental, Volume 282, March 2021, 119537, https://doi.org/10.1016/j.apcatb.2020.119537. (https://www.sciencedirect.com/science/article/abs/pii/S0926337320309528)

Jia Yu, Xi Gao, Liqiang Lu, Yupeng Xu, Cheng Li, Tingwen Li, William A.Rogers, Validation of a filtered drag model for solid residence time distribution (RTD) prediction in a pilot-scale FCC riser, Powder Technology, Volume 378, Part A, 22 January 2021, Pages 339-347, https://doi.org/10.1016/j.powtec.2020.10.007. (https://www.sciencedirect.com/science/article/abs/pii/S0032591020309505)

Lu, L. G., Xi; Dietiker, Jean-François; Shahnam, Mehrdad; Rogers, William A. "Machine learning accelerated discrete element modeling of granular flows," Chemical Engineering Science Vol. 245, 2021, p. 116832. https://doi.org/10.1016/j.ces.2021.116832. (https://www.sciencedirect.com/science/article/pii/S0009250921003973)

Gao, X. Y., Jia; Lu, Liqiang; Li, Cheng; Rogers, William A. "Development and validation of SuperDEM-CFD coupled model for simulating non-spherical particles hydrodynamics in fluidized beds," Chemical Engineering Journal Vol. 420, 2021, p. 127654. https://doi.org/10.1016/j.cej.2020.127654. (https://www.sciencedirect.com/science/article/pii/S1385894720337761)

Gao, X. Y., J.; Lu, L. Q.; Rogers, W. A. "Coupling particle scale model and SuperDEM-CFD for multiscale simulation of biomass pyrolysis in a packed bed pyrolyzer," Aiche Journal Vol. 67, No. 4, 2021, p. 15. https://doi.org/10.1002/aic.17139.

Banerjee, S. Full-Loop Simulation of the Combustion of Biomass in a Circulating Fluidized Bed Combustor; DOE/NETL-2021/2650; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2021; p 52. DOI: 10.2172/1785675.

Li, C., Gao, X., Rowan, S., Hughes, B., Jeremy S. Harris, and Rogers, W. A. Experimental investigation on the binary/ternary fluidization behavior of Geldart D type spherical LDPE, Geldart D type cylindrical wood and Geldart B type sand particles; NETL-TRS-2725-2021; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2021. DOI: 10.2172/1776642.

Porcu, A.; Xu, Y. P.; Mureddu, M.; Dessi, F.; Shahnam, M.; Rogers, W. A.; Sastri, B. S.; Pettinau, A. "Experimental validation of a multiphase flow model of a lab-scale fluidized-bed gasification unit," Applied Energy Vol. 293, 2021, p. 21. https://doi.org/10.1016/j.apenergy.2021.116933. (https://www.sciencedirect.com/science/article/pii/S030626192100413X)

N'dri A. Konan, E. David Huckaby, Multi-fidelity kinetic theory-based approach for the prediction of particle attrition: Application to jet cup attrition system, Powder Technology, Volume 391, 2021, Pages 227-238, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2021.06.014. (https://www.sciencedirect.com/science/article/pii/S0032591021005313)

Lu, L. Q. G., X.; Shahnam, M.; Rogers, W. A. "Open source implementation of glued sphere discrete element method and nonspherical biomass fast pyrolysis simulation," Aiche Journal Vol. 67, No. 6, 2021, p. 14. https://doi.org/10.1002/aic.17211.

Lu, L. G., Xi; Shahnam, Mehrdad; Rogers, William A. "Simulations of biomass pyrolysis using glued-sphere CFD-DEM with 3-D intra-particle models," Chemical Engineering Journal Vol. 419, 2021, p. 129564. https://doi.org/10.1016/j.cej.2021.129564. (https://www.sciencedirect.com/science/article/pii/S1385894721011517)

Gel, A.; Weber, J.; Vaidheeswaran, A. Sensitivity Analysis of MFiX-PIC Parameters Using Nodeworks, PSUADE, and DAKOTA; DOE.NETL-2021.2652; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2021; p 52. https://edx.netl.doe.gov/dataset/sensitivity-analysis-of-mfix-pic-parameters-using-nodeworks-psuade-and-dakota, DOI: 10.2172/1809024.

Vaidheeswaran, A. G., Aytekin; Clarke, Mary Ann; Rogers, William A. "Assessment of model parameters in MFiX particle-in-cell approach," Advanced Powder Technology Vol. 32, No. 8, 2021, pp. 2962-2977. https://doi.org/10.1016/j.apt.2021.06.011. (https://www.sciencedirect.com/science/article/pii/S0921883121003113)

Higham, Jonathan E and Shahnam, Mehrdad and Vaidheeswaran, Avinash, Anomalous diffusion in a bench-scale pulsed fluidized bed, Physical Review E, Volume 103, Number 4, 043103, 2021, 10.1103/PhysRevE.103.043103, https://link.aps.org/doi/10.1103/PhysRevE.103.043103

Xu,  Y., Lu, L., Yu, J., Shahnam, M. , Madden, D., Rogers, W., Maurer, R., Thimsen, D., Sheets, B., Pettinau, A., Expanded Transient Multi-Fuel Modeling of the HMI Updraft Moving Bed Gasifier Performance for Industrial Scale CHP Applications, 38th Annual International Pittsburgh Coal Conference, September 2021.

Yu, J. L., L. Q.; Gao, X.; Xu, Y. P.; Shahnam, M.; Rogers, W. A. "Coupling reduced-order modeling and coarse-grainedCFD-DEMto accelerate coal gasifier simulation and optimization," Aiche Journal Vol. 67, No. 1, 2021, p. 16. https://doi.org/10.1002/aic.17030.

Weber, J. H., Jonathan E.; Musser, Jordan; Fullmer, William D. "Critical analysis of velocimetry methods for particulate flows from synthetic data," Chemical Engineering Journal Vol. 415, 2021, p. 129032. https://doi.org/10.1016/j.cej.2021.129032. (https://www.sciencedirect.com/science/article/pii/S1385894721006239)

Avinash Vaidheeswaran, Steven Rowan, Chaos and recurrence analyses of pressure signals from bubbling fluidized beds, Chaos, Solitons & Fractals, Volume 142, 2021, 110354, ISSN 0960-0779, https://doi.org/10.1016/j.chaos.2020.110354. (https://www.sciencedirect.com/science/article/pii/S0960077920307499)

Sitaraman, H. V., Deepthi; Grout, Ray; Hauser, Thomas; Hrenya, Christine M.; Musser, Jordan. "An error-controlled adaptive time-stepping method for particle advancement in coupled CFD-DEM simulations," Powder Technology Vol. 379, 2021, pp. 203-216. https://doi.org/10.1016/j.powtec.2020.10.051. (https://www.sciencedirect.com/science/article/pii/S0032591020310007)

Gao, X. L., L. Q.; Shahnam, M.; Rogers, W. A.; Smith, K.; Gaston, K.; Robichaud, D.; Pecha, M. B.; Crowley, M.; Ciesielski, P. N.; Debiagi, P.; Faravelli, T.; Wiggins, G.; Finney, C. E. A.; Parks, J. E. "Assessment of a detailed biomass pyrolysis kinetic scheme in multiscale simulations of a single-particle pyrolyzer and a pilot-scale entrained flow pyrolyzer," Chemical Engineering Journal Vol. 418, 2021, p. 12. https://doi.org/10.1016/j.cej.2021.129347. (https://www.sciencedirect.com/science/article/pii/S1385894721009359)

Xi, K. K., Thomas; Fullmer, William D.; Penn, Alexander; Musser, Jordan; Boyce, Christopher M. "CFD-DEM study of bubble properties in a cylindrical fluidized bed of Geldart Group D particles and comparison with prior MRI data," Powder Technology Vol. 389, 2021, pp. 75-84. https://doi.org/10.1016/j.powtec.2021.04.075. (https://www.sciencedirect.com/science/article/pii/S0032591021003624)

Biswas, A. A., J. P.; Dutta, S.; Musser, J. M.; Almgren, A. S.; Turton, T. L. "Feature Analysis, Tracking, and Data Reduction: An Application to Multiphase Reactor Simulation MFiX-Exa for In-Situ Use Case," Computing in Science & Engineering Vol. 23, No. 1, 2021, pp. 75-82. https://doi.org/10.1109/mcse.2020.3016927.

Wei, X. W., Justin; Breault, Ronald W. "Numerical investigation of the penetrating gas flow into particle clusters for circulating fluidized beds," Powder Technology Vol. 388, 2021, pp. 442-449. https://doi.org/10.1016/j.powtec.2021.04.046. (https://www.sciencedirect.com/science/article/pii/S0032591021003272)

Yu, J. G., X.; Lu, L. Q.; Xu, Y. P.; Li, C.; Li, T. W.; Rogers, W. A. "Validation of a filtered drag model for solid residence time distribution (RTD) prediction in a pilot-scale FCC riser," Powder Technology Vol. 378, 2021, pp. 339-347. https://doi.org/10.1016/j.powtec.2020.10.007. (https://www.sciencedirect.com/science/article/pii/S0032591020309505)

Xi Gao, Tingwen Li, William A. Rogers, Kristin Smith, Katherine Gaston, Gavin Wiggins, James E. Parks II, Validation and application of a multiphase CFD model for hydrodynamics, temperature field and RTD simulation in a pilot-scale biomass pyrolysis vapor phase upgrading reactor, Chemical Engineering Journal, Volume 388, 15 May 2020, 124279, https://doi.org/10.1016/j.cej.2020.124279. (https://www.sciencedirect.com/science/article/pii/S1385894720302709)

Liqiang Lu, Jia Yu, Xi Gao, Yupeng Xu, Mehrdad Shahnam, William A. Rogers, “Experimental and numerical investigation of sands and Geldart A biomass co‐fluidization”, AIChe Journal, Mar. 16, 2020 https://aiche.onlinelibrary.wiley.com/doi/abs/10.1002/aic.16969

Yupeng Xu, Tingwen Li, Liqiang Lu, Xi Gao, Sina Tebianian, John R. Grace, Jamal Chaouki, Thomas W. Leadbeater, Rouzbeh Jafari, David J. Parker, Jonathan Seville, Naoko Ellis, "Development and confirmation of a simple procedure to measure solids distribution in fluidized beds using tracer particles", Chemical Engineering Science, Volume 217, 2020, 115501, https://doi.org/10.1016/j.ces.2020.115501.

Tingwen Li, Yupeng Xu, "Computational Fluid Dynamics and Its Application to Fluidization", In Essentials of Fluidization Technology (eds J. Grace, X. Bi and N. Ellis), 2020,  doi:10.1002/9783527699483.ch6

Deepthi Chandramouli, Huda Ashfaq, William A. Rogers, "Experimental and Simulation Analysis of Binary Mixtures of Biomass and Inert Material", DOE/NETL-2020/2134; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2020; p. 44. DOI: 10.2172/1619201.

Mary Ann Clarke, Jordan Musser, "The MFiX Particle-in-Cell Method (MFiXPIC) Theory Guide", DOE/NETL-2020/2115, NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2020; p. 28. DOI: 10.2172/1630414.

Avinash Vaidheeswaran, Aytekin Gel, Mary Ann Clarke, and William A. Rogers, "Sensitivity Analysis of Particle-in-Cell Modeling Parameters in MFiX-PIC",  ASME V&V 2020 Verification & Validation Symposium (Virtual Symposium), May 20-22, 2020, https://event.asme.org/VandV

Justin Weber, Aytekin Gel, and Charles Tong, "Nodeworks: An Open-source Visual Workflow Toolset for Uncertainty Quantification, Optimization and Machine Learning", Workflow Workshop and Hackathon Summer Seminar Series, August 28, 2020.

Jia Yu, Liqiang Lu, Xi Gao, Yupeng Xu, Mehrdad Shahnam, William A. Rogers, “Coupling reduced‐order modeling and coarse‐grained CFD‐DEM to accelerate coal gasifier simulation and optimization”, AIChe Journal, Aug. 23, 2020 https://aiche.onlinelibrary.wiley.com/doi/abs/10.1002/aic.17030

Subhodeep Banerjee, Robin W Hughes, "Biomass Combustion in a Circulating Fluidized Bed Combustor", DOE/NETL-2020/2148; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2020; p. 32. DOI: 10.2172/1659115.

Vaidheeswaran, A.; Musser, J.; Clarke, M. A., "Verification and Validation of MFiX-PIC"; NETL-TRS-2-2020; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2020; p. 48. DOI: 10.2172/1618293.

Z. Cao, D.K. Tafti, M. Shahnam, Development of drag correlation for suspensions of ellipsoidal particles, Powder Technology, Volume 369, PP 298-310, 2020, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2020.05.049.

Aboaba, A., Martinez, Y., Mohaghegh, S., Shahnam, M., Guenther, C., and Liu, Y. Smart Proxy Modeling Application of Artificial Intelligence & Machine Learning in Computational Fluid Dynamics. United States: N. p., 2020. Web. doi:10.2172/1642460. https://www.osti.gov/biblio/1642460.

Z. Cao, D. K. Tafti and M. Shahnam, “Modeling Drag force in ellipsoidal particle suspensions with preferential orientation”, accepted for publication, Powder Technology, 2020.

Xi Gao, Liqiang Lu, James E. Parks, Mehrdad Shahnam, Madhava Syamlal, Simulation-Based Engineering of Biomass Fast Pyrolysis Reactors, Session: Fluidization: In Honor of Stuart Daw (Invited Talks), 2020 Virtual AIChE Annual Meeting.

Xi Gao, Jia Yu, Liqiang Lu, Cheng Li, William A. Rogers. SuperDEM-CFD: Open Source Parallel Solver for Non-Spherical Particle-Fluid Fluidization Systems. 2020 Virtual AIChE Annual Meeting.

Lu, L., Yu, J., Shahnam, M., Rogers, W.A., Maurer, E.R., Thimsen, P.D., Sheets, B.J., Pettinau, A. 2020. Modeling Updraft Moving-bed Gasifier Performance for Industrial Scale CHP Applications. Presented on 2020 International Pittsburgh Coal Conference.

Lu, L., Gao, X., Shahnam, M. and Rogers, W.A., 2020. Bridging particle and reactor scales in the simulation of biomass fast pyrolysis by coupling particle resolved simulation and coarse grained CFD-DEM. Chemical Engineering Science, 216, p.115471. https://doi.org/10.1016/j.ces.2020.115471. (https://www.sciencedirect.com/science/article/pii/S0009250920300038)

Xi Gao, Development and validation of SuperDEM-CFD coupled model for simulating non-spherical particles hydrodynamics in fluidized beds, Chemical Engineering Journal, Ms. Ref. No.: CEJ-D-20-09477R1.

Chandramouli, D.; Shahnam, M.; Rogers, W. A. Computational Fluid Dynamics Analysis of a 12 MW Circulating Fluidized Bed Riser; DOE.NETL-2020.2151; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2020; p. 32. DOE: 10.2172/1673607.

Higham, J.E., Shahnam, M. & Vaidheeswaran, A. Using a proper orthogonal decomposition to elucidate features in granular flows. Granular Matter 22, 86 (2020). https://doi.org/10.1007/s10035-020-01037-7.

Li, Cheng and Vaidheeswaran, Avinash and Gopalan, Balaji and Wu, Xiongjun and Steven, Rowan and Hughes, Bryan and Rogers, William A, Anisotropy and Non-Maxwellian behavior of particle velocity fluctuations in circulating fluidized beds, APS Division of Fluid Dynamics Meeting, 2020.

Xu, Y.; Shahnam, M.; Fullmer, W. D.; Rogers, W. A., "CFD-Driven Optimization of a Bench-Scale Fluidized Bed Biomass Gasifier using MFiX-TFM and Nodeworks-OT", NETL-TRS-3-2019; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2019; p 28. DOI: 10.18141/1506664.

Fullmer, W. D.; Dahl, S.; Weber, J. Surrogate Modeling Approach to Uncertainty Quantification for a DEM Model of a Rotating Cubic Tumbler; NETLTRS-5-2019; NETL Technical Report Series; U.S. Department of Energy, NationalEnergy Technology Laboratory: Morgantown, WV, 2019, p 24. DOI: 10.18141/1514272.

Xi Gao; Jia Yu; Cheng Li; Rupen Panday; Yupeng Xu; Tingwen Li; Huda Ashfaq; Bryan Huges;  William A. Rogers, “Comprehensive experimental investigation on biomass‐glass beads binary fluidization: A data set for CFD model validation”, AIChE Journal, Oct. 18, 2019 https://aiche.onlinelibrary.wiley.com/doi/abs/10.1002/aic.16843

Yupeng Xu; Mehrdad Shahnam; Andrea Porcu; Alberto Pettinau; Bhima S. Sastri; William Rogers, “Experimental study and numerical simulation of the Biomass Pyrolysis and Gasification with MFiX”, National Energy Technology Laboratory, Morgantown, WV; Sotacarbo Sustainable Energy Research Center, Carbonia, Italy; Leidos, Inc., Reston, VA; U.S. Department of Energy, Washington, DC

Jia Yu; Liqiang Lu; Mehrdad Shahnam; William A. Rogers, “Fast CFD based optimization of coal moving bed gasifier”, National Energy Technology Laboratory, Morgantown, WV,2019 AIChE Annual Meeting, Pages 2-20

Liqiang Lu; Xi Gao; Mehrdad Shahnam; William A. Rogers, “Hybrid drag model for the simulation of biomass fast pyrolysis”, National Energy Technology Laboratory, Morgantown, WV Nov. 14, 2019 AIChE Annual Meeting. Pages 2-12.

Subhodeep Banerjee; Rupendranath Panday; William Fullmer; William Rogers, “Developing a high-fidelity CFD model for CO2 separation by adsorption”, The 44th International Technical Conference on Clean Energy. The Clean Water Conference, June 18, 2019. Pages 1-22

Yupeng Xu, Tingwen Li, Liqiang Lu, Sina Tebianian, Jamal Chaouki, Thomas W. Leadbeater, Rouzben Jafari, David J. Parker, Jonathan Seville, Naoko Ellis, John R. Grace, "Numerical and experimental comparison of tracer particle and averaging techniques for particle velocities in a fluidized bed", Chemical Engineering Science, Volume 195, 2019, Pages 356-366, https://doi.org/10.1016/j.ces.2018.09.034.

Xi Gao, Jia Yu, Ricardo J.F.Portal, William A.Rogers, Superquadric particle method for non-spherical DEM simulation in open source MFiX: development, implementation and verification. AIChE 2019 Annual Meeting, Orlando, Nov 2019.

Yongxiang Gao, Xi Gao, Du Hong, Youwei Cheng, Lijun Wang, Xi Li, Experimental investigation on multiscale hydrodynamics in a novel gas-Liquid-Solid three phase jet-Loop reactor. AIChE Journal, 65, e16537, 2019. https://aiche.onlinelibrary.wiley.com/doi/abs/10.1002/aic.16537

A. Vaidheeswaran, R. Panday, M.A. Clarke, W.A. Rogers, "Fluidization of Geldart A particles:  Experiments and Validation", American Physical Society Division of Fluid Dynamics Annual Meeting, Seattle WA, Nov 23-26, 2019.

Xi Gao, Tingwen Li, Avik Sarkar, Liqiang Lu, William A. Rogers, Development and validation of an enhanced filtered drag model for simulating gas-solid fluidization of Geldart A particles in all flow regimes, Chemical Engineering Science, Volume 184, 20 July 2018, Pages 33-51, ISSN 0009-2509, https://doi.org/10.1016/j.ces.2018.03.038. (https://www.sciencedirect.com/science/article/pii/S0009250918301726)

Ansari, A., Mohaghegh, S., Shahnam, M., Dietiker, J. F., & Li, T. Data Driven Smart Proxy for CFD Application of Big Data Analytics & Machine Learning in Computational Fluid Dynamics, Part Two: Model Building at the Cell Level. United States. doi:10.2172/1431303.

Emilio Ramirez, Tingwen Li, Mehrdad Shahnam, and C. Stuart Daw, "Computational study on biomass fast pyrolysis: Hydrodynamic effects on the performance of a laboratoryscale fluidized bed reactor", AIChE Spring Meeting, 8th World Congress on Particle Technology, Transport Phenomena and Reactor Performance II, Orlando, Florida, April 22-26, 2018.

Arthur Konan, David Huckaby, and Justin Weber, "Gravity-based percolation of small particles through an assembly of large particles", AIChE Spring Meeting, 8th World Congress on Particle Technology, Orlando, Florida, April 22-26, 2018.

Tingwen Li, "Small Scale Experimental and Modeling Studies for Geldart Group A Particles", AIChE Spring Meeting, 8th World Congress on Particle Technology, EMMS Workshop, Orlando, Florida, April 22-26, 2018.

Xi Gao, Tingwen Li, William Rogers, Rupen Panday, Jonathan Higham, Greggory Breault, and Jonathan Tucker, "Computational Fluid Dynamic Study of Biomass Vapor-Phase Upgrading Process", AIChE Spring Meeting, 8th World Congress on Particle Technology, Orlando, Florida, April 22-26, 2018.

Subhodeep Banerjee, William Rogers, and Chris Guenther, "Flow regime prediction in a 3D spouted bed using MFiX-DEM", AIChE Spring Meeting, 8th World Congress on Particle Technology, Orlando, Florida, April 22-26, 2018.

Yupeng Xu, Jordan Musser, Tingwen Li, William Rogers, Rupen Panday, Balaji Gopalan, Greggory Breault, and Jonathan Tucker, "Numerical simulation and experimental study of a small-scale circulating fluidized bed", AIChE Spring Meeting, 8th World Congress on Particle Technology, Orlando, Florida, April 22-26, 2018.

Xi Gao, Tingwen Li, Avik Sarkar, Liqiang Lu, and William A. Rogers, "Evaluation of Drag Models for Gas-Solid Fluidization of Geldart A Particles in All Flow Regimes", AIChE Spring Meeting, 8th World Congress on Particle Technology, Orlando, Florida, April 22-26, 2018.

A. Bakshi, M. Shahnam, A. Gel, T. Li, C. Altantzis, W. Rogers, A.F. Ghoniem, "Comprehensive multivariate sensitivity analysis of CFD-DEMsimulations: Critical model parameters and their impact on fluidization hydrodynamics", Powder Technology, July 17 2018, 10.1016/j.powtec.2018.06.049

S. Chen, L. A. Baumes, A. Gel, M. Adepu, H. Emady, Y. Jiao, "Classification of particle height in a hopper bin from limited discharge data using convolutional neural network models", Powder Technology, Volume 339, 2018, Pages 615-624, ISSN 0032-5910,  https://doi.org/10.1016/j.powtec.2018.08.048.

Xi Gao, Tingwen Li, William Rogers, Rupen Panday, Huda Ashfaq, "Status of NETL CCPC Activities" (172 MB), Consortium for Computational Physics and Chemistry, BioEnergy Technology Office Project Meeting at NREL, September 11, 2018.

Ansari, A., Mohaghegh, S., Shahnam, M., Dietiker, J. F., Li, T., and Gel, A. Data Driven Smart Proxy for CFD Application of Big Data Analytics & Machine Learning in Computational Fluid Dynamics, Part Three: Model Building at the Layer Level. United States: N. p., 2018. Web. doi:10.2172/1463895 (https://www.osti.gov/servlets/purl/1463895/)

Fullmer, W. D.; Webber, J.; VanEssendelft, D. "Parameter Calibration and Uncertainty Quantification via Surrogate Model Optimization for CFD-DEM Modeling of a Small-Scale Slugging Bed"; NETL-TRS-20-2018; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2018; p 24. DOI: 10.18141/1479089.

Liqiang Lu, Sofiane Benyahia, "Chapter Two - Advances in Coarse Discrete Particle Methods With Industrial Applications", Advances in Chemical Engineering, Volume 53, 2018, Pages 53-151, doi: 10.1016/bs.ache.2017.12.001

Gel A, Vaidheeswaran A, Musser J, Tong CH. Toward the Development of a Verification, Validation, and Uncertainty Quantification Framework for Granular and Multiphase Flows—Part 1: Screening Study and Sensitivity Analysis . ASME. J. Verif. Valid. Uncert. 2018;3(3):031001-031001-12. doi:10.1115/1.4041745.

Yupeng Xu , Jordan Musser, Tingwen Li, Balaji Gopalan, Rupen Panday, Jonathan Tucker, Greggory Breault, Mary Ann Clarke, and William A. Rogers, "Numerical Simulation and Experimental Study of the Gas–Solid Flow Behavior Inside a Full-Loop Circulating Fluidized Bed: Evaluation of Different Drag Models", Ind. Eng. Chem. Res., 2018, 57 (2), pp 740–750, doi: 10.1021/acs.iecr.7b03817

Gao, X. , Li, T. and Rogers, W. A. (2018), Assessment of mesoscale solid stress in coarse‐grid TFM simulation of Geldart A particles in all fluidization regimes. AIChE J, 64: 3565-3581. doi:10.1002/aic.16341

Lu, L. and Benyahia, S. (2018), Method to estimate uncertainty associated with parcel size in coarse discrete particle simulation. AIChE J., 64: 2340-2350. doi:10.1002/aic.16100

William D. Fullmer, Christine M. Hrenya, "Continuum prediction of scale-dependent, anisotropic fluctuating kinetic energy in gas-solid flows", Chemical Engineering Science, Volume 186, 2018, Pages 84-87, ISSN 0009-2509, https://doi.org/10.1016/j.ces.2018.04.035.

Liqiang Lu, Yupeng Xu, Tingwen Li, Sofiane Benyahia, "Assessment of different coarse graining strategies to simulate polydisperse gas-solids flow", Chemical Engineering Science, Volume 179, 2018, Pages 53-63, ISSN 0009-2509, https://doi.org/10.1016/j.ces.2018.01.003.

William D. Fullmer, Jordan Musser, "CFD-DEM solution verification: Fixed-bed studies", Powder Technology,
Volume 339, 2018, Pages 760-764, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2018.08.044

K. Buchheit, C. Altantzis, A. Bakshi, T. Jordan, D. Van Essendelft, "The BubbleTree toolset: CFD-integrated algorithm for Lagrangian tracking and rigorous statistical analysis of bubble motion and gas fluxes for application to 3D fluidized bed simulations", Powder Technology, Volume 338, 2018, Pages 960-974, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2018.07.053.

Justin R. Finn, Janine E. Galvin, "Modeling and simulation of CO2 capture using semipermeable elastic microcapsules", International Journal of Greenhouse Gas Control, Volume 74, 2018, Pages 191-205, ISSN 1750-5836, https://doi.org/10.1016/j.ijggc.2018.04.022.

A. Bakshi, M. Shahnam, A. Gel, T. Li, C. Altantzis, W. Rogers, A.F. Ghoniem, "Comprehensive multivariate sensitivity analysis of CFD-DEM simulations: Critical model parameters and their impact on fluidization hydrodynamics", Powder Technology, Volume 338, 2018, Pages 519-537, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2018.06.049.

Gel, Aytekin, Jiao, Yang, Emady, Heather, and Tong, Charles. MFIX-DEM Phi: Performance and Capability Improvements Towards Industrial Grade Open-source DEM Framework with Integrated Uncertainty Quantification. United States: N. p., 2018. Web. doi:10.2172/1439328.

Tingwen Li, William A. Rogers, Madhava Syamlal, Jean-François Dietiker, Jordan Musser, Mehrdad Shahnam, Swapna Rabha, The NETL MFiX Suite of multiphase flow models: A brief review and recent applications of MFiX-TFM to fossil energy Technologies, Chemical Engineering Science, Volume 169, 21 September 2017, Pages 259-272, ISSN 0009-2509,  http://dx.doi.org/10.1016/j.ces.2016.07.043.

Shahnam M, Gel A, Dietiker J, Subramaniyan AK, Musser J. The Effect of Grid Resolution and Reaction Models in Simulation of a Fluidized Bed Gasifier Through Nonintrusive Uncertainty Quantification Techniques. ASME. J. Verif. Valid. Uncert. 2017;1(4):041004-041004-9. doi:10.1115/1.4035445.

Aytekin Gel, Mehrdad Shahnam, Arun K. Subramaniyan, Quantifying uncertainty of a reacting multiphase flow in a bench-scale fluidized bed gasifier: A Bayesian approach, Powder Technology, Volume 311, 15 April 2017, Pages 484-495, ISSN 0032-5910, http://dx.doi.org/10.1016/j.powtec.2017.01.034.

Shahnam, M.; Gel, A.; Subramaniyan, A. K.; Musser, J.; and Dietiker, J. F., "Uncertainty Quantification Analysis of Both Experimental and CFD Simulation Data of a Bench-scale Fluidized Bed Gasifier", NETL-PUB-21341; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2017; p 68. https://doi.org/10.2172/1398265

Canhai Lai, Zhijie Xu, Tingwen Li, Andrew Lee, Jean-François Dietiker, William Lane, Xin Sun, Effects of heat exchanger tubes on hydrodynamics and CO2 capture of a sorbent-based fluidized bed reactor, Powder Technology, Volume 322, December 2017, Pages 202-213, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2017.07.062.

Tingwen Li, Swapna Rabha, Vikrant Verma, Jean-François Dietiker, Yupeng Xu, Liqiang Lu, William Rogers, Balaji Gopalan, Greggory Breault, Jonathan Tucker, Rupen Panday, Experimental study and discrete element method simulation of Geldart Group A particles in a small-scale fluidized bed, Advanced Powder Technology, Volume 28, Issue 11, November 2017, Pages 2961-2973, ISSN 0921-8831, https://doi.org/10.1016/j.apt.2017.09.003.

Yupeng Xu, Jordan Musser, Tingwen Li, Johan T. Padding, William A. Rogers, Particles climbing along a vertically vibrating tube: numerical simulation using the Discrete Element Method (DEM), Powder Technology, Volume 320, October 2017, Pages 304-312, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2017.07.047.

Yupeng Xu, Tingwen Li, Jordan Musser, Xiaoxing Liu, Guangwen Xu, William A. Rogers, CFD-DEM modeling the effect of column size and bed height on minimum fluidization velocity in micro fluidized beds with Geldart B particles, Powder Technology, Volume 318, August 2017, Pages 321-328, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2017.06.020.

Zhijie Xu, Canhai Lai, Peter William Marcy, Jean-François Dietiker, Tingwen Li, Avik Sarkar, Xin Sun, Predicting the performance uncertainty of a 1-MW pilot-scale carbon capture system after hierarchical laboratory-scale calibration and validation, Powder Technology, Volume 312, 1 May 2017, Pages 58-66, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2017.02.027.

Liqiang Lu, Xiaowen Liu, Tingwen Li, Limin Wang, Wei Ge, Sofiane Benyahia, Assessing the capability of continuum and discrete particle methods to simulate gas-solids flow using DNS predictions as a benchmark, Powder Technology, Volume 321, November 2017, Pages 301-309, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2017.08.034.

Vikrant Verma, Tingwen Li, Jean-François Dietiker, William A. Rogers, Sub-grid drag model for immersed vertical cylinders in fluidized beds, Powder Technology, Volume 316, 1 July 2017, Pages 225-232, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2016.12.044.

Justin R. Finn, Janine E. Galvin, Calibration of drag models for mesoscale simulation of gas–liquid flow through packed beds, Chemical Engineering Science, Volume 172, 23 November 2017, Pages 722-730, ISSN 0009-2509, https://doi.org/10.1016/j.ces.2017.07.022.

Vikrant Verma, Tingwen Li, Juray De Wilde, Coarse-grained discrete particle simulations of particle segregation in rotating fluidized beds in vortex chambers, Powder Technology, Volume 318, August 2017, Pages 282-292, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2017.05.037.

Liqiang Lu, Aaron Morris, Tingwen Li, Sofiane Benyahia, Extension of a coarse grained particle method to simulate heat transfer in fluidized beds, International Journal of Heat and Mass Transfer, Volume 111, August 2017, Pages 723-735, ISSN 0017-9310, https://doi.org/10.1016/j.ijheatmasstransfer.2017.04.040.

Liqiang Lu, Arthur Konan, Sofiane Benyahia, Influence of grid resolution, parcel size and drag models on bubbling fluidized bed simulation, Chemical Engineering Journal, Volume 326, 15 October 2017, Pages 627-639, ISSN 1385-8947, https://doi.org/10.1016/j.cej.2017.06.002.

N.A. Konan, E.D. Huckaby, Kinetic theory-based numerical modeling and analysis of bi-disperse segregated mixture fluidized bed, Powder Technology, Volume 319, September 2017, Pages 71-91, ISSN 0032-5910, https://doi.org/10.1016/j.powtec.2017.06.040.

Syamlal, M., Celik, I. B. and Benyahia, S. (2017), Quantifying the uncertainty introduced by discretization and time-averaging in two-fluid model predictions. AIChE J., 63: 5343–5360. https://doi.org/10.1002/aic.15868

Lu, Liqiang; Gao, Xi; Li, Tingwen; Benyahia, Sofiane, Numerical Investigation of the Ability of Salt Tracers to Represent the Residence Time Distribution of Fluidized Catalytic Cracking Particles, Industrial and Engineering Chemistry Research, vol. 56  Issue 46, Nov. 2017,  Pages: 13642-13653  https://doi.org/10.1021/acs.iecr.7b03773

Lu, Liqiang; Gopalan, Balaji; Benyahia, Sofiane, Assessment of Different Discrete Particle Methods Ability To Predict Gas-Particle Flow in a Small-Scale Fluidized Bed,  Industrial and Engineering Chemistry Research, vol. 56  Issue 27, Jul. 2017,  Pages: 7865-7876  https://doi.org/10.1021/acs.iecr.7b01862

Yupeng Xu, Jordan Musser, Tingwen Li, Balaji Gopalan, Rupen Panday, Jonathan Tucker, Greggory Breault, Mary Ann Clarke, and William A. Rogers, Numerical Simulation and Experimental Study of the Gas–Solid Flow Behavior Inside a Full-Loop Circulating Fluidized Bed: Evaluation of Different Drag Models, Industrial & Engineering Chemistry Research Article ASAP, published online Dec. 2017, https://doi.org/10.1021/acs.iecr.7b03817

Lu, L., Benyahia, S. and Li, T. (2017), An efficient and reliable predictive method for fluidized bed simulation. AIChE J., 63: 5320–5334. doi:10.1002/aic.15832

Ansari, A., Mohaghegh, S., Shahnam, M., Dietiker, J. F., Takbiri Borujeni, A., & Fathi, E. Data Driven Smart Proxy for CFD: Application of Big Data Analytics & Machine Learning in Computational Fluid Dynamics, Part One: Proof of Concept; NETL-PUB-21574; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2017.. United States. doi:10.2172/1417305.

Vaidheeswaran, Avinash, Shaffer, Franklin D., Gopalan, Balaji, "Statistics of velocity fluctuations of Geldart A particles in a circulating fluidized bed riser", Physical Review Fluids, Nov 21 2017, 10.1103/PhysRevFluids.2.112301

Xu, Yupeng, Li, Tingwen, Musser, Jordan, Rogers, William, Liu, Xiaoxing, and Xu, Guangwen,  “CFD-DEM modeling the effect of column size & bed height on Umf in micro fluidized beds with Geldart B particles”,  AIChE Meeting, Minneapolis, MN, October 29-November 3, 2017, United States: N. p., 2017. https://www.osti.gov/servlets/purl/1433636.

Canhai Lai, Zhijie Xu, Wenxiao Pan, Xin Sun, Curtis Storlie, Peter Marcy, Jean-François Dietiker, Tingwen Li, James Spenik, Hierarchical calibration and validation of computational fluid dynamics models for solid sorbent-based carbon capture, Powder Technology, Volume 288, January 2016, Pages 388-406, ISSN 0032-5910, http://dx.doi.org/10.1016/j.powtec.2015.11.021.

Aniruddha Choudhary, Christopher J. Roy, Jean-François Dietiker, Mehrdad Shahnam, Rahul Garg, Jordan Musser, Code verification for multiphase flows using the method of manufactured solutions, International Journal of Multiphase Flow, Volume 80, April 2016, Pages 150-163, ISSN 0301-9322, http://dx.doi.org/10.1016/j.ijmultiphaseflow.2015.12.006.

Vikrant Verma, Tingwen Li, Jean-François Dietiker, William A. Rogers, Hydrodynamics of gas–solids flow in a bubbling fluidized bed with immersed vertical U-tube banks, Chemical Engineering Journal, Volume 287, 1 March 2016, Pages 727-743, ISSN 1385-8947, http://dx.doi.org/10.1016/j.cej.2015.11.049.

Alice Jordam Caserta, Hélio A. Navarro, Luben Cabezas-Gómez, Damping coefficient and contact duration relations for continuous nonlinear spring-dashpot contact model in DEM, Powder Technology, Volume 302, November 2016, Pages 462-479, ISSN 0032-5910, http://dx.doi.org/10.1016/j.powtec.2016.07.032.

Naval V. Koralkar, Manaswita Bose, Performance of drag models for simulation of fluidized beds with Geldart D particles, Advanced Powder Technology, Volume 27, Issue 6, November 2016, Pages 2377-2398, ISSN 0921-8831, http://dx.doi.org/10.1016/j.apt.2016.11.008.

X. Lu, D.J. Holland, Investigation of drag models for the two fluid simulation of Geldart group A powders, Powder Technology, Volume 304, December 2016, Pages 41-54, ISSN 0032-5910, http://dx.doi.org/10.1016/j.powtec.2016.07.063.

Li Peng, Yingya Wu, Chengxiu Wang, Jinsen Gao, Xingying Lan, 2.5D CFD simulations of gas–solids flow in cylindrical CFB risers, Powder Technology, Volume 291, April 2016, Pages 229-243, ISSN 0032-5910, http://dx.doi.org/10.1016/j.powtec.2015.12.018.

W.A. Lane, A. Sarkar, S. Sundaresan, E.M. Ryan, Sub-grid models for heat transfer in gas-particle flows with immersed horizontal cylinders, Chemical Engineering Science, Volume 151, 12 September 2016, Pages 7-15, ISSN 0009-2509, http://dx.doi.org/10.1016/j.ces.2016.05.005.

Shuyan Wang, Baoli Shao, Xiangyu Li, Jian Zhao, Lili Liu, Yikun Liu, Yang Liu, Qun Dong, Simulations of vertical jet penetration using a filtered two-fluid model in a gas–solid fluidized bed, Particuology, Available online 15 October 2016, ISSN 1674-2001, http://dx.doi.org/10.1016/j.partic.2016.05.013.

Aniruddha Choudhary, Christopher J. Roy, Edward A. Luke, Subrahmanya P. Veluri, Code verification of boundary conditions for compressible and incompressible computational fluid dynamics codes, Computers & Fluids, Volume 126, 1 March 2016, Pages 153-169, ISSN 0045-7930, http://dx.doi.org/10.1016/j.compfluid.2015.12.003.

Tingwen Li, Jean-François Dietiker, William Rogers, Rupen Panday, Balaji Gopalan, Greggory Breault, Investigation of CO2 capture using solid sorbents in a fluidized bed reactor: Cold flow hydrodynamics, Powder Technology, Volume 301, November 2016, Pages 1130-1143, ISSN 0032-5910, http://dx.doi.org/10.1016/j.powtec.2016.07.056.

Tingwen Li, Yongmin Zhang, Fernando Hernández-Jiménez, Investigation of particle–wall interaction in a pseudo-2D fluidized bed using CFD-DEM simulations, Particuology, Volume 25, April 2016, Pages 10-22, ISSN 1674-2001, http://dx.doi.org/10.1016/j.partic.2015.06.001.

A.B. Morris, Z. Ma, S. Pannala, C.M. Hrenya, Simulations of heat transfer to solid particles flowing through an array of heated tubes, Solar Energy, Volume 130, June 2016, Pages 101-115, ISSN 0038-092X, http://dx.doi.org/10.1016/j.solener.2016.01.033.

Juray De Wilde, George Richards, Sofiane Benyahia, Qualitative numerical study of simultaneous high-G-intensified gas–solids contact, separation and segregation in a bi-disperse rotating fluidized bed in a vortex chamber, Advanced Powder Technology, Volume 27, Issue 4, July 2016, Pages 1453-1463, ISSN 0921-8831, http://dx.doi.org/10.1016/j.apt.2016.05.005.

Balaji Gopalan, Mehrdad Shahnam, Rupen Panday, Jonathan Tucker, Frank Shaffer, Lawrence Shadle, Joseph Mei, William Rogers, Chris Guenther, Madhava Syamlal, Measurements of pressure drop and particle velocity in a pseudo 2-D rectangular bed with Geldart Group D particles, Powder Technology, Volume 291, April 2016, Pages 299-310, ISSN 0032-5910, http://dx.doi.org/10.1016/j.powtec.2015.12.040.

Avik Sarkar, Fernando E. Milioli, Shailesh Ozarkar, Tingwen Li, Xin Sun, Sankaran Sundaresan, Filtered sub-grid constitutive models for fluidized gas-particle flows constructed from 3-D simulations, Chemical Engineering Science, Volume 152, 2 October 2016, Pages 443-456, ISSN 0009-2509, http://dx.doi.org/10.1016/j.ces.2016.06.023.

Aaron M. Lattanzi, Christine M. Hrenya, A coupled, multiphase heat flux boundary condition for the discrete element method, Chemical Engineering Journal, Volume 304, 15 November 2016, Pages 766-773, ISSN 1385-8947, http://dx.doi.org/10.1016/j.cej.2016.07.004.

Shigan Chu, Andrea Prosperetti, On flux terms in volume averaging, International Journal of Multiphase Flow, Volume 80, April 2016, Pages 176-180, ISSN 0301-9322, http://dx.doi.org/10.1016/j.ijmultiphaseflow.2015.12.009.

Aytekin Gel, Mehrdad Shahnam, Jordan Musser, Arun K. Subramaniyan, and Jean-François Dietiker, Nonintrusive Uncertainty Quantification of Computational Fluid Dynamics Simulations of a Bench-Scale Fluidized-Bed Gasifier, Industrial & Engineering Chemistry Research 2016 55 (48), 12477-12490, https://doi.org/10.1021/acs.iecr.6b02506

Lu, L., Yoo, K., Benyahia, S., Coarse-Grained-Particle Method for Simulation of Liquid–Solids Reacting Flows. Industrial & Engineering Chemistry Research 55, 10477-10491, 2016. http://pubs.acs.org/doi/abs/10.1021/acs.iecr.6b02688

Esmail R. Monazam, Ronald W. Breault , Justin Weber, Ky Layfield, "Elutriation of fines from binary particle mixtures in bubbling fluidized bed cold model", Powder Technology, September 26, 2016.

Tingwen Li, Validation of a 2.5D CFD model for cylindrical gas–solids fluidized beds, Powder Technology, Volume 286, December 2015, Pages 817-827, ISSN 0032-5910, http://dx.doi.org/10.1016/j.powtec.2015.09.033.

Jordan Musser, Madhava Syamlal, Mehrdad Shahnam, David Huckaby, Constitutive equation for heat transfer caused by mass transfer, Chemical Engineering Science, Volume 123, 17 February 2015, Pages 436-443, ISSN 0009-2509, http://dx.doi.org/10.1016/j.ces.2014.11.036.

Aniruddha Choudhary, Christopher J. Roy, Jean-François Dietiker, Mehrdad Shahnam, Rahul Garg, Jordan Musser, Code Verification for Multiphase Flows Using the Method of Manufactured Solutions, International Journal of Multiphase Flow, Available online 23 December 2015, ISSN 0301-9322, http://dx.doi.org/10.1016/j.ijmultiphaseflow.2015.12.006.

Tingwen Li, Sofiane Benyahia, Jean-François Dietiker, Jordan Musser, Xin Sun, A 2.5D computational method to simulate cylindrical fluidized beds, Chemical Engineering Science, Volume 123, 17 February 2015, Pages 236-246, ISSN 0009-2509, http://dx.doi.org/10.1016/j.ces.2014.11.022.

Tingwen Li, Yongmin Zhang, Fernando Hernández-Jiménez, Investigation of particle–wall interaction in a pseudo-2D fluidized bed using CFD-DEM simulations, Particuology, Available online 11 September 2015, ISSN 1674-2001, http://dx.doi.org/10.1016/j.partic.2015.06.001.

Balaji Gopalan, Mehrdad Shahnam, Rupen Panday, Jonathan Tucker, Frank Shaffer, Lawrence Shadle, Joseph Mei, William Rogers, Chris Guenther, Madhava Syamlal, Measurements of pressure drop and particle velocity in a pseudo 2-D rectangular bed with Geldart Group D particles, Powder Technology, Available online 31 December 2015, ISSN 0032-5910, http://dx.doi.org/10.1016/j.powtec.2015.12.040.

Michael A. Martin, Chien-Fan Chen, Partha P. Mukherjee, Sreekanth Pannala, Jean-Francois Dietiker, John A. Turner, and Devesh Ranjan, "Morphological Influence in Lithium-Ion Battery 3D Electrode Architectures", J. Electrochem. Soc. 2015 162(6): A991-A1002; doi:10.1149/2.0631506jes.

Mitrano P. P., Zenk J. R., Benyahia S., Galvin J. E., Dahl S. R., Hrenya C. M. Kinetic-theory predictions of clustering instabilities in granular flows: beyond the small-Knudsen-number regime. Journal of Fluid Mechanics. 2014 Jan;738. http://dx.doi.org/10.1017/jfm.2013.602 .

Galvin Janine E., Benyahia Sofiane. The Effect of Cohesive Forces on the Fluidization of Aeratable Powders. Aiche Journal. 2014 Feb;60(2):473-84. http://dx.doi.org/10.1002/aic.14307.

Tingwen Li, Jean-Francois Dietiker, Lawrence Shadle, Comparison of full-loop and riser-only simulations for a pilot-scale circulating fluidized bed riser, Chemical Engineering Science, Volume 120, 16 December 2014, Pages 10-21. http://dx.doi.org/10.1016/j.ces.2014.08.041.

Tingwen Li, Sreekanth Pannala, Mehrdad Shahnam, CFD simulations of circulating fluidized bed risers, part II, evaluation of differences between 2D and 3D simulations, Powder Technology, Volume 254, March 2014, Pages 115-124. http://dx.doi.org/10.1016/j.powtec.2014.01.022 .

Handan Liu, Danesh K. Tafti, Tingwen Li, Hybrid parallelism in MFIX CFD-DEM using OpenMP, Powder Technology, Volume 259, June 2014, Pages 22-29. http://dx.doi.org/10.1016/j.powtec.2014.03.047.

Guenther C., Garg R. Technical Report on NETL's Non Newtonian Multiphase Slurry Workshop: A path forward to understanding non-Newtonian multiphase slurry flows. 2013. National Energy Technology Laboratory (NETL) Pittsburgh, PA, and Morgantown, WV, USA: NETL-PUB-926. p. 81. http://dx.doi.org/10.2172/1121879.

Gopalakrishnan Pradeep, Tafti Danesh. Development of parallel DEM for the open source code MFIX. Powder Technology. 2013 Feb;235:33-41. http://dx.doi.org/10.1016/j.powtec.2012.09.006.

Gel A., Garg R., Tong C., Shahnam M., Guenther C. Applying uncertainty quantification to multiphase flow computational fluid dynamics. Powder Technology. 2013 Jul;242:27-39. http://dx.doi.org/10.1016/j.powtec.2013.01.045.

Choudhuri A. Tehnical Report on Investigation of Gas Solid Fluidized Bed Dynamics with Non-Spherical Particles. 2013. National Energy Technology Laboratory (NETL) Morgantown, WV, USA, University Of Texas El Paso, Texas, USA. p. 106. http://dx.doi.org/10.2172/1121749.

Murray J. A., Benyahia S., Metzger P., Hrenya C. M. Continuum representation of a continuous size distribution of particles engaged in rapid granular flow. Physics Of Fluids. 2012;24:19. http://dx.doi.org/10.1063/1.4744987.

Miller D. C., Syamlal M., Cottrell R., et al. Annual Report: Carbon Capture Simulation Initiative (CCSI) (30 September 2012). 2012. (NETL) National Energy Technology Laboratory: NETL-PUB-820. p. 39. http://dx.doi.org/10.2172/1098237.

Li T. W., Guenther C. A CFD study of gas-solid jet in a CFB riser flow. Aiche Journal. 2012 Mar;58(3):756-69. http://dx.doi.org/ 10.1002/aic.12619.

Li F., Song F., Benyahia S., Wang W., Li J. MP-PIC simulation of CFB riser with EMMS-based drag model. Chemical Engineering Science. 2012 Sep 12;82:104-13. http://dx.doi.org/10.1016/j.ces.2012.07.020.

Garg Rahul, Galvin Janine, Li Tingwen, Pannala Sreekanth. Open-source MFIX-DEM software for gas-solids flows: Part I-Verification studies. Powder Technology. 2012 Apr;220:122-37. http://dx.doi.org/10.1016/j.powtec.2011.09.019.

Dietiker Jean-Francois, Li Tingwen, Garg Rahul, Shahnam Mehrdad. Cartesian grid simulations of gas-solids flow systems with complex geometry. Powder Technology. 2013 Feb;235:696-705. http://dx.doi.org/10.1016/j.powtec.2012.11.028.

Benyahia Sofiane, Sundaresan Sankaran. Do we need sub-grid scale corrections for both continuum and discrete gas-particle flow models? Powder Technology. 2012 Apr;220:2-6. http://dx.doi.org/10.1016/j.powtec.2011.10.052.

Musser J. M. H. Modeling of heat transfer and reactive chemistry for particles in gas-solid flow utilizing continuum-discrete methodology (CDM) [Doctoral Dissertation]: West Virginia University, Morgantown, WV, USA; 2011. p. 313.

Li Tingwen, Dietiker Jean-Francois, Zhang Yongmin, Shahnam Mehrdad. Cartesian grid simulations of bubbling fluidized beds with a horizontal tube bundle. Chemical Engineering Science. 2011 Dec 1;66(23):6220-31. http://dx.doi.org/10.1016/j.ces.2011.08.056.

Li T. High-Resolution Simulations of Gas-Solids Jet Penetration Into a High Density Riser Flow. In: Knowlton T., editor. 10th International Conference on Circulating Fluidized Beds and Fluidization Technology - CFB - 10; 2011; Sun River, OR, USA: ECI Digital Archives; 2011.

Holloway William, Benyahia Sofiane, Hrenya Christine M., Sundaresan Sankaran. Meso-scale structures of bidisperse mixtures of particles fluidized by a gas. Chemical Engineering Science. 2011 Oct 1;66(19):4403-20. http://dx.doi.org/10.1016/j.ces.2011.05.037.

Breault Ronald W., Guenther Chris. Mass transfer coefficient prediction method for CFD modeling of riser reactors. Powder Technology. 2010 Oct 25;203(1):33-9. http://dx.doi.org/10.1016/j.powtec.2010.03.024
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Benyahia Sofiane, Galvin Janine E. Estimation of Numerical Errors Related to Some Basic Assumptions in Discrete Particle Methods. Industrial & Engineering Chemistry Research. 2010 Nov 3;49(21):10588-605. http://dx.doi.org/10.1021/ie100662z.

Syamlal M., Guenther C., Gel A., Pannala S. Advanced coal gasifier designs using large-scale simulations. In: Simon H., editor. Scidac 2009: Scientific Discovery through Advanced Computing; 2009.

Pannala Sreekanth, Daw C. Stuart, Finney Charles E. A., Benyahia Sofiane, Syamlal Madhava, O'Brien Thomas J. Modeling the Collisional-Plastic Stress Transition for Bin Discharge of Granular Material. In: Nakagawa M., Luding S., editors. Powders and Grains 2009; 2009. p. 657-60. http://dx.doi.org/10.1063/1.3180012.

Shadle L. J., Ludlow C. J., Spenik J. L., Seachman S. M., Guenther C. P. Jet penetration into a riser operated in dense suspension upflow: experimental and model comparisons. In: Werther J., Nowak W., Wirth K., Hartge E., editors. 9th International Conference on Circulating Fluidized Beds (CFB9); 2008; Hamburg, Germany, May 13 - May 16, 2008: Circulating Fluidized Bed Technology IX; 2008. p. 307-12.

Cizmas Paul G. A., Richardson Brian R., Brenner Thomas A., O'Brien Thomas J., Breault Ronald W. Acceleration techniques for reduced-order models based on proper orthogonal decomposition. Journal of Computational Physics. 2008 8/10/;227(16):7791-812. http://dx.doi.org/10.1016/j.jcp.2008.04.036.

Benyahia Sofiane. Verification and validation study of some polydisperse kinetic theories. Chemical Engineering Science. 2008 12/1/;63(23):5672-80. http://dx.doi.org/10.1016/j.ces.2008.08.016.

Pannala Sreekanth, Daw C. Stuart, Finney Charles E. A., Boyalakuntla Dhanunjay, Syamlal Madhava, O'Brien Thomas J. Simulating the dynamics of spouted-bed nuclear fuel coaters. Chemical Vapor Deposition. 2007 Sep;13(9):481-90. http://dx.doi.org/10.1002/cvde.200606562.

Gel A., Pannala S., Syamlal M., O'Brien T. J., Gel E. S. Comparison of frameworks for a next-generation multiphase flow solver, MFIX: a group decision-making exercise. Concurrency and Computation-Practice & Experience. 2007 Apr 10;19(5):609-24. http://dx.doi.org/10.1002/cpe.1085.

Cadoret L., Reuge N., Pannala S., Syamlal M., Coufort C., Caussat B. Silicon CVD on powders in fluidized bed: Experimental and multifluid Eulerian modelling study. Surface & Coatings Technology. 2007 Sep 25;201(22-23):8919-23. http://dx.doi.org/10.1016/j.surfcoat.2007.04.119.

Benyahia Sofiane, Syamlal Madhava, O'Brien Thomas J. Study of the ability of multiphase continuum models to predict core-annulus flow. Aiche Journal. 2007 Oct;53(10):2549-68. http://dx.doi.org/10.1002/aic.11276.

Seachman S. M., Yue P. C., Ludlow J. C., Shadle L. J. Solids Fraction Measurement with a Reflective Fiber Optic Probe (569c). AIChE 2006 Annual Meeting; 2006; San Francisco, CA, Nov. 12 - Nov. 17, 2006: AIChE Conference Proceedings; 2006. p. 6.

Guenther C. P., Breault R. W. A Detailed Look Inside a Transport Reactor (paper 20-2). 23rd Annual International Pittsburgh Coal Conference; 2006; Pittsburgh, Pennsylvania, USA, Sept. 25 - Sept. 28, 2006: International Pittsburgh Coal Conference, CD-ROM Proceedings; 2006. p. 12.

Yuan T., Cizmas P. G., O'Brien T. A reduced-order model for a bubbling fluidized bed based on proper orthogonal decomposition. Computers & Chemical Engineering. 2005 12/15/;30(2):243-59. http://dx.doi.org/10.1016/j.compchemeng.2005.09.001.

Benyahia S., Syamlal M., O'Brien T. J. Evaluation of boundary conditions used to model dilute, turbulent gas/solids flows in a pipe. Powder Technology. 2005 Aug 23;156(2-3):62-72. http://dx.doi.org/10.1016/j.powtec.2005.04.002.

Xu Y. An improved multiscale model for dilute turbulent gas particle flows based on the equilibration of energy concept [Master's Thesis]: Iowa State University, Ames, Iowa; 2004. p. 93.

Gera Dinesh, Syamlal Madhava, O'Brien Thomas J. Hydrodynamics of particle segregation in fluidized beds. International Journal of Multiphase Flow. 2004 4//;30(4):419-28. http://dx.doi.org/10.1016/j.ijmultiphaseflow.2004.01.003.

Syamlal M., O'Brien T. J. Fluid dynamic simulation of O-3 decomposition in a bubbling fluidized bed. Aiche Journal. 2003 Nov;49(11):2793-801. http://dx.doi.org/10.1002/aic.690491112.

Cizmas P. G., Palacios A., O'Brien T., Syamlal M. Proper-orthogonal decomposition of spatio-temporal patterns in fluidized beds. Chemical Engineering Science. 2003 10//;58(19):4417-27. http://dx.doi.org/10.1016/S0009-2509(03)00323-3.

Guenther C., Syamlal M. The effect of numerical diffusion on simulation of isolated bubbles in a gas-solid fluidized bed. Powder Technology. 2001 May 23;116(2-3):142-54. http://dx.doi.org/10.1016/s0032-5910(00)00386-7.

Agrawal K., Loezos P. N., Syamlal M., Sundaresan S. The role of meso-scale structures in rapid gas-solid flows. Journal of Fluid Mechanics. 2001 Oct 25;445:151-85. http://dx.doi.org/10.1017/S0022112001005663.

Syamlal M. MFIX Documentation: Numerical Technique. 1998. Federal Energy Technology Center Morgantown, WV, USA, EG and G Technical Services of West Virginia Inc., Morgantown, WV, USA: DOE/MC/31346--01; ON: DE98057983; TRN: AHC29817%%200. p. 84. http://dx.doi.org/10.2172/656644.

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