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Top journals: 

AIChE J. (9 papers), Chem. Eng. Sci. (7 papers), Ind. Eng. Chem. Res. (2 papers), Chem. Eng. J. (IF=13.273, 9 papers), Biores. Technol. (IF=9.642, 3 papers)


2022

50. 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, 2022,133853. https://doi.org/10.1016/j.cej.2021.133853


49.  Brennan M. Pecha, Nicholas Thornburg, Chad Peterson, Meagan Crowley, Xi Gao, Liqiang Lu, Gavin Wiggins, Robert Brown, Peter Ciesielski,

Impacts of anisotropic porosity on heat transfer and off-gassing during biomass pyrolysis,

Energy & Fuels, 2022. https://doi.org/10.1021/acs.energyfuels.1c02679


48. 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, 2022, 248, 117131. https://doi.org/10.1016/j.ces.2021.117131

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2021

47.  Liqiang Lu , Cheng Li,  Steven Rowan, Bryan Hughes, Xi Gao, Mehrdad Shahnam, William A. Rogers,

Experiment and CFD Investigation of Biochar Elutriation in Fluidized Bed,

AIChE Journal, 2021. e17506.  https://doi.org/10.1002/aic.17506


46. Peter N. Ciesielski, M. Brennan Pecha, Nicholas E. Thornburg, Meagan F. Crowley, Xi Gao, Oluwafemi Oyedeji, Hariswaran Sitaraman, and Nicholas Brunhart-Lupo,

Bridging Scales in Bioenergy and Catalysis: A Review of Mesoscale Modeling Applications, Methods, and Future Directions,

Energy & Fuels, 2021, 35, 18, 14382–14400. https://doi.org/10.1021/acs.energyfuels.1c02163

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45.Liqiang Lu, Xi Gao, Mehrdad Shahnam, William A Rogers,

Machine Learning Accelerated Discrete Element Modeling of Granular Flows,

Chemical Engineering Science, 2021, 245: 116832.

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44. Liqiang Lu, Xi Gao, Mehrdad Shahnam, William A Rogers,

Simulations of biomass pyrolysis using glued-sphere CFD-DEM with 3-D intra-particle models

Chemical Engineering Journal, 2021, 419: 129564. 


43. Xi Gao*, Liqiang Lu, Mehrdad Shahnam, William A Rogers, Kristin Smith, Katherine Gaston, David Robichaud, M Brennan Pecha, Meagan Crowley and Peter N Ciesielski, 

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, 2021: 129347. (Editor's choice)     https://twitter.com/Chem_Eng_J/status/1455983618946256897

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42. Xi Gao*, Jia Yu, Liqiang Lu and William A Rogers, 

Coupling particle scale model and SuperDEM‐CFD for multiscale simulation of biomass pyrolysis in a packed bed pyrolyzer, 

AIChE Journal, 2021: e17139.

           

41. Xi Gao*, Jia Yu, Ricardo JF Portal, Jean-François Dietiker, Mehrdad Shahnam and William A Rogers,

 Development and validation of SuperDEM for non-spherical particulate systems using a superquadric particle method, 

Particuology, 2021: doi.org/10.1016/j.partic.2020.1011.1007.


40. Jia Yu, Xi Gao*, Liqiang Lu, Yupeng Xu, Cheng Li, Tingwen Li and William A Rogers, 

Validation of a filtered drag model for solid residence time distribution (RTD) prediction in a pilot-scale FCC riser, 

Powder technology, 2021,  378: 339-347.

           

39. Jia Yu, Liqiang Lu, Xi Gao, Yupeng Xu, Mehrdad Shahnam and William A Rogers, 

Coupling reduced‐order modeling and coarse‐grained CFD‐DEM to accelerate coal gasifier simulation and optimization, 

AIChE Journal, 2021,  67(1): e17030.

           

38. Liqiang Lu, Xi Gao, Mehrdad Shahnam and William A Rogers, 

Open source implementation of glued sphere discrete element method and nonspherical biomass fast pyrolysis simulation, 

AIChE Journal, 2021: e17211.

           

37. Cheng Li, Rupendranath Panday, Xi Gao, Jiarong Hong and William A Rogers, 

Measuring particle dynamics in a fluidized bed using digital in-line holography, 

Chemical Engineering Journal, 2021,  405: 126824.

 

2020

36. Xi Gao, Tingwen Li, William A Rogers, Kristin Smith, Katherine Gaston, Gavin Wiggins and 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, 2020,  388: 124279.


35. Liqiang Lu, Xi Gao, Aytekin Gel, Gavin M Wiggins, Meagan Crowley, Brennan Pecha, Mehrdad Shahnam, William A Rogers, James Parks and Peter N Ciesielski, 

Investigating biomass composition and size effects on fast pyrolysis using global sensitivity analysis and CFD simulations, 

Chemical Engineering Journal, 2020: 127789.

 

34. Xi Gao, Jia Yu, Cheng Li, Rupen Panday, Yupeng Xu, Tingwen Li, Huda Ashfaq, Bryan Hughes and William A Rogers, 

Comprehensive experimental investigation on biomass‐glass beads binary fluidization: A data set for CFD model validation, 

AIChE Journal, 2020,  66(2): e16843.

           

33. Xi Gao, Jia Yu, Liqiang Lu, Cheng Li and William A Rogers, 

Development and validation of SuperDEM-CFD coupled model for simulating non-spherical particles hydrodynamics in fluidized beds, 

Chemical Engineering Journal, 2020: 127654.


32. Yupeng Xu, Tingwen Li, Liqiang Lu, Xi Gao, Sina Tebianian, John R Grace, Jamal Chaouki, Thomas W Leadbeater, Rouzbeh Jafari and David J Parker, 

Development and confirmation of a simple procedure to measure solids distribution in fluidized beds using tracer particles, 

Chemical Engineering Science, 2020,  217: 115501.


31. Liqiang Lu, Xi Gao, Mehrdad Shahnam and William A Rogers, 

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, 2020,  216: 115471.

           

30. Liqiang Lu, Xi Gao, Mehrdad Shahnam and William A Rogers, 

Coarse grained computational fluid dynamic simulation of sands and biomass fluidization with a hybrid drag,

 AIChE Journal, 2020,  66(4): e16867.

 

29. Liqiang Lu, Jia Yu, Xi Gao, Yupeng Xu, Mehrdad Shahnam and William A Rogers, 

Experimental and numerical investigation of sands and Geldart A biomass co‐fluidization, 

AIChE Journal, 2020,  66(6): e16969.

 

2019

28. Yupeng Xu, Xi Gao and Tingwen Li, 

Numerical study of the bi-disperse particles segregation inside a spherical tumbler with Discrete Element Method (DEM), 

Computers & Mathematics with Applications, 2019.


27. Joseph D Smith, Anand Alembath, Haider Al-Rubaye, Jia Yu, Xi Gao and Hassan Golpour, 

Validation and application of a kinetic model for downdraft biomass gasification simulation, 

Chemical Engineering & Technology, 2019,  42(12): 2505-2519.


26. Yongxiang Gao, Xi Gao, Du Hong, Youwei Cheng, Lijun Wang and Xi Li, 

Experimental investigation on multiscale hydrodynamics in a novel gas–Liquid–Solid three phase jet‐Loop reactor, 

AIChE Journal, 2019,  65(5): e16537.

 

2018

25. Xi Gao, Bo Kong and R Dennis Vigil, 

Multiphysics simulation of algal growth in an airlift photobioreactor: effects of fluid mixing and shear stress, 

Bioresource technology, 2018,  251: 75-83.


24. Xi Gao, Bo Kong and R Dennis Vigil, 

Simulation of algal photobioreactors: recent developments and challenges, 

Biotechnology letters, 2018,  40(9): 1311-1327.


23. Xi Gao, Tingwen Li and William A Rogers, 

Assessment of mesoscale solid stress in coarse‐grid TFM simulation of Geldart A particles in all fluidization regimes, 

AIChE Journal, 2018,  64(10): 3565-3581.


22. Xi Gao, Tingwen Li, Avik Sarkar, Liqiang Lu and 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, 2018,  184: 33-51.

 

2017

21. Xi Gao, Bo Kong and R Dennis Vigil, 

Comprehensive computational model for combining fluid hydrodynamics, light transport and biomass growth in a Taylor vortex algal photobioreactor: Eulerian approach, 

Algal Research, 2017,  24: 1-8.


20. Xi Gao, Bo Kong and R.Dennis Vigil, 

Comprehensive computational model for combining fluid hydrodynamics, light transport and biomass growth in a Taylor vortex algal photobioreactor: Eulerian approach, 

Bioresource technology, 2017,  224: 523-530.


19. Paul Rudnicki, Xi Gao, Bo Kong and R Dennis Vigil, 

A comparative study of photosynthetic unit models for algal growth rate and fluorescence prediction under light/dark cycles, 

Algal Research, 2017,  24: 227-236.


18. Liqiang Lu, Xi Gao, Tingwen Li and Sofiane Benyahia, 

Numerical investigation of the ability of salt tracers to represent the residence time distribution of fluidized catalytic cracking particles, 

Industrial & engineering chemistry research, 2017,  56(46): 13642-13653.

 

2016

17. Xi Gao, Bo Kong and R Dennis Vigil, 

CFD simulation of bubbly turbulent Tayor–Couette flow, 

Chinese journal of chemical engineering, 2016,  24(6): 719-727.

 

2015

16. Cheng WU, YX GAO, Xi GAO, You-wei CHENG, Li-jun WANG and Xi LI, 

Particle velocity measurements in transition section of turbulent fluidized beds using optical fiber probe and CFD simulation, 

Journal of Chemical Engineering of Chinese Universities, 2015,  29(1): 11-18.

 

15. Xi Gao, Bo Kong and R Dennis Vigil, 

CFD investigation of bubble effects on Taylor–Couette flow patterns in the weakly turbulent vortex regime, 

Chemical Engineering Journal, 2015,  270: 508-518.

  

14. Xi Gao, Bo Kong and R Dennis Vigil, 

Characteristic time scales of mixing, mass transfer and biomass growth in a Taylor vortex algal photobioreactor, 

Bioresource technology, 2015,  198: 283-291.


13. Xi Gao, Bo Kong, Mahdi Ramezani, Michael G Olsen and R Dennis Vigil, 

An adaptive model for gas–liquid mass transfer in a Taylor vortex reactor, 

International Journal of Heat and Mass Transfer, 2015,  91: 433-445.


12. Mahdi Ramezani, Bo Kong, Xi Gao, Michael G Olsen and R Dennis Vigil, 

Experimental measurement of oxygen mass transfer and bubble size distribution in an air–water multiphase Taylor–Couette vortex bioreactor, 

Chemical Engineering Journal, 2015,  279: 286-296.


11. Yongxiang Gao, Xi Gao, Cheng Wu, Youwei Cheng, Lijun Wang and Xi Li, 

Novel phase inversion model for gas–solid turbulent fluidized beds, 

Powder technology, 2015,  283: 344-354.

 

2014

10. Lezhong Zhang, Xi Gao and Zhenghong Luo, 

Computational fluid dynamics modeling for the second flow phenomenon of the liquid-solid flow in a polypropylene loop reactor, 

Petrochemical Technology & Application, 2014,  32: 199-203.

 

2013

9. Wu Cheng, Gao Xi, Cheng Youwei and Li Xi, 

Calibration and Correction of Particle Velocity Signals in Optical Fiber Measurement, 

Chemical Reaction Engineering and Technology, 2013: 02.


8. Xi Gao, Li-Jun Wang, Cheng Wu, You-Wei Cheng and Xi Li, 

Novel bubble–emulsion hydrodynamic model for gas–solid bubbling fluidized beds, 

Industrial & engineering chemistry research, 2013,  52(31): 10835-10844.


7. Cheng WU, Xi GAO, Youwei CHENG, Lijun WANG and Xi LI, 

Experimental and numerical study of solids concentration distribution in transition section of turbulent fluidized bed, 

CIESC Journal, 2013,  64(3): 858-866.

 

2012       

6.Ya-Qing Zhuang, Xi Gao, Ya-ping Zhu and Zheng-hong Luo, 

CFD modeling of methanol to olefins process in a fixed-bed reactor, 

Powder technology, 2012,  221: 419-430.

 

5. Xi Gao, Li-Jun Wang, Cheng Wu, You-Wei Cheng and Xi Li, 

Steady-state simulation of core-annulus flow in a circulating fluidized bed (CFB) riser, 

Chemical Engineering Science, 2012,  78: 98-110.

  

4. Xi Gao, Cheng Wu, You-wei Cheng, Li-jun Wang and Xi Li, 

Experimental and numerical investigation of solid behavior in a gas–solid turbulent fluidized bed, 

Powder technology, 2012, 228: 1-13.

 

2011

3. Xi-Zhong Chen, De-Pan Shi, Xi Gao and Zheng-Hong Luo, 

A fundamental CFD study of the gas–solid flow field in fluidized bed polymerization reactors, 

Powder technology, 2011, 205(1-3): 276-288.


2. Xi Gao, Ya-Ping Zhu and Zheng-hong Luo, 

CFD modeling of gas flow in porous medium and catalytic coupling reaction from carbon monoxide to diethyl oxalate in fixed-bed reactors, 

Chemical Engineering Science, 2011,  66(23): 6028-6038.


2010

1. Xi Gao, De-Pan Shi, Xi-Zhong Chen and Zheng-Hong Luo, 

Three-dimensional CFD model of the temperature field for a pilot-plant tubular loop polymerization reactor,

 Powder technology, 2010,  203(3): 574-590.



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