Zhuyin REN


Address:Tsinghua University, Center for Combustion Energy, Beijing 100084, China
Office:Lee Shau Kee Science and Technology Building B-538
Tel:(+86) 10-62797371

Education Background

Ph.D in Mechanical Engineering   Cornell University,Ithaca, NY             2006

M.S. in Mechanical Engineering    Cornell University,Ithaca, NY             2005

B.S. in Mechanical Engineering     Univ. of Sci. & Tech of China             2001

Work Experiences

Professor                        Tsinghua University, Beijing                   2013-present

Assistant Professor         University of Connecticut, Storrs, CT        2011- 2013

Mechanical Engineer      GE Global Research, Niskayuna, NY        2010- 2011

Fluid Specialist                ANSYS/Fluent, Inc, Lebanon, NH             2008- 2010

Postdoctoral Research    Associate  Cornell University, Ithaca, NY 2006- 2007

Visiting scholar                CTR, Stanford University, Stanford, CA              2004

Other Professional Positions

Professional Activities

Member of Combustion Institute; American Physical Society; Society for Industrial and Applied Mathematics, senior member of AIAA

Editorial Board: Combustion Theory and Modelling

Journal Reviewer: Proceedings of the Combustion Institute; Combustion and Flame; Combustion Theory and Modeling; Energy and Fuels; Combustion Science and Technology;   Computers and Fluids; Neural Computation; Chemical and Biochemical Engineering Quarterly;    Communications in Computational Physics; Experimental Thermal and Fluid Science; ASME Turbo Expo 2012; ASME: Journal of Thermal Science and Engineering Applications; Journal of Fluids and Structures.

Research Areas and Interests

I am pursuing research in the disciplines of reactive flows, heat transfer, fluid mechanics, energy systems, and atmospheric chemistry and physics. Specifically, I am interested in

· Turbulence and combustion, statistical methods for turbulent reactive flows,

· Modeling and simulation of turbulent reactive flows with detailed chemistry.

· Combustion processes in energy and propulsion systems

· Pollutant prediction in atmospheric processes

· Renewable energy and sustainable energy systems

Honors and Awards

· Outstanding Performance Award             ANSYS, Inc.                          2009

· Bernard Lewis Fellowship             The Combustion Institute                 2008

· CTR 2004 Summer Program Fellowship  Stanford University               2004

· Cornell Graduate School Fellowship   Cornell University                       2002

· McMullen Fellowship                           Cornell University                       2001-2002

· Best B.S. Thesis Award              Univ. of Sci. & Tech. of China             2001

Books and Patents


Journal Publications

Referred Journal Articles ( *: corresponding author)

1. M. Kuron,Z. Ren*, E. R Hawkes, H. Zhou, H. Kolla, J. H. Chen, T. Lu, A mixing timescale model for TPDF simulations of turbulent premixed flames,Combustion and Flame, accepted, 2016

2. H. Wei, L. Zhou, H. Zhou, Z. Lu,Z. Ren*, G.M. Goldin “Toward efficient chemistry calculations in engine simulations through static adaptive acceleration”,Combustion Science and Technology, in press, 2016

3. H. Wei, C. Chen, H. Zhou, W. Zhao,Z. Ren*, “Effect of turbulent mixing on the end gas auto-ignition of n-heptane/air mixtures under IC Engine-relevant conditions”Combustion and Flame, 174,  25–36, 2016.

4. M. Kuron,  E. R Hawkes,Z. Ren, J. Tang, H. Zhou, J. H. Chen, T. Lu, “Performance of transported PDF mixing models in a turbulent premixed flame”,Proceedings of the Combustion Institute, in press, 2016.

5. W. Xie, L. Zhen,Z. Ren*, L. Hou, “ Dynamic adaptive chemistry via species time-scale and Jacobian-aided rate analysis”,Proceedings of the Combustion Institute, in press,  2016

6. W. Ji, P. Zhao, P. Zhang,Z. Ren, X. He, C. K. Law, “On the crossover temperature and lower turnover state in the NTC regime”,Proceedings of the Combustion Institute,  in press,  2016

7. Z. Ren*, Z. Lu, Y. Gao, T. Lu, L. Hou, “A kinetics-based method for constraint selection in rate-controlled constrained equilibrium”,Combustion Theory and Modelling, in press, 2016

8. B. Zhang,Z. Ren, S. Shi, S. Yan, F. Fang, “Numerical analysis of gasification and emission characteristics of a two-stage entrained flow gasifier”,Chemical Engineering Science, 152(2) 227-238, 2016

9. Z. Lu, L. Zhou,Z. Ren*, T. Lu, C. K. Law, “Effects of spray and turbulence modelling on the mixing and combustion characteristics of an n-heptane spray flame simulated with dynamic adaptive chemistry”,Flow Turbulence and Combustion,  97(2) 609-629,  2016

10. C. Xu, Y. Gao,Z. Ren, T. Lu, “A sparse stiff chemistry solver based on dynamic adaptive integration for efficient combustion simulations”,Combustion and Flame, 172, 183-193, 2016

11. H. Zhang, C. Han, T. Ye,Z. Ren“Large eddy simulation of turbulent premixed combustion using tabulated detailed chemistry and presumed probability density function”,Journal of Turbulence,  17(3) 327-355, 2016

12. L. Hou, X. Zhang,Z. Ren, Coke suppression of kerosene by wall catalytic steam reforming. Fuel Processing Technology, 2016, 154: 117-122.

13. X. Pei, L. Hou,Z. Ren, “Flow Pattern Effects on the Oxidation Deposition Rate of Aviation Kerosene”Energy & Fuels29 (9), 6088–6094, 2015

14. L. Zhou, Z. Lu,Z. Ren, T. Lu, K. H. LuoNumerical analysis of ignition and flame stabilization in an n-heptane spray flame,International Journal of Heat and Mass Transfer, 88, 565–571, 2015

15. L. Zhou, Z. Lu,Z. Ren,T. Lu, et al., "Large Eddy Simulation of an n-Heptane Spray Flame with Dynamic Adaptive Chemistry under Different Oxygen Concentrations,"SAE Int. J. Engines8(2):447-454, 2015

16. O. Oluwole,Z. Ren, C. Petre, G.M. Goldin, “Decoupled species and reaction reduction: an error-controlled method for dynamic adaptive chemistry simulations”,Combustion and Flame, 162(5) 1934-1943, 2015

17. Y. Gao, Y. Liu,Z. Ren, T. Lu, “A dynamic adaptive method for hybrid integration of stiff chemistry”,Combustion and Flame, 162, 287-2952015

18. L. Hou, N. Dong,Z. Ren, B. Zhang, S. Hu, “Cooling and coke deposition of hydrocarbon fuel with catalytic steam reforming”,Fuel Processing Technology, 128, 128-133, 2014

19. L. Hou, D. Niu,Z. Ren,“Partially premixed flamelet modeling in a hydrogen-fueled supersonic combustor”, International Journal of Hydrogen Energy, 39 (17) , 9497–9504, 2014

20. Z. Ren*, Zhen Lu,  L. Hou, L. Lu, “Numerical simulation of turbulent combustion: Scientific challenges”,SCIENCE CHINA Physics, Mechanics & Astronomy, 2014, 57(8):1495-1503

21. Z. Ren*, C. Xu, T. Lu, M.A. Singer, “Dynamic adaptive chemistry with operator splitting schemes for reactive flow simulations”,Journal of Computational Physics,   263, 19–36, 2014

22. Z. Ren*,Y. Liu, T. Lu, L. Lu, O.O. Oluwole, G.M. Goldin,“The use of dynamic adaptive chemistry and tabulation in reactive flow simulations”,Combustion and Flame,161, 127-137, 2014

23. Z. Ren*, H. Yang; T.  Lu, “Effects of small-scale turbulence on NOx formation in premixed flame fronts”,Fuel,115, 241-247, 2014

24. W. Xiao, Y. Guo, Z. Ren, G. Wrobel,Z. Ren, T.  Lu, P. Gao, “Mechanical agitation assisted growth of large scale and uniform ZnO nanorod arrays within 3D multi-channel monolithic substrates”,Crystal Growth & Design, 13 (8), 3657–3664, 2013

25. H. Yang,Z. Ren*, T. Lu, G.M. Goldin, “Dynamic adaptive chemistry for turbulent flame simulations”,Combustion Theory and Modelling, 17( 1), 167-183,  2013

26. Z. Ren*,G.M. Goldin, V. Hiremath, and S.B. Pope, “Simulations of a turbulent nonpremixed flame using combined dimension reduction and tabulation for combustion chemistry”,Fuel, 105, 636-644, 2013

27. H. Yang,Z. Ren*, T. Lu, G.M. Goldin, “Dynamic adaptive chemistry for turbulent flame simulations”,Combustion Theory and Modelling, 17( 1), 167-183,  2013

28. Z. Ren*,G.M. Goldin, V. Hiremath, and S.B. Pope, “Simulations of a turbulent nonpremixed flame using combined dimension reduction and tabulation for combustion chemistry”,Fuel, 105, 636-644 2013

29. T. Zhang, Y. Xin,Z.Ren, F. Qi, C.K. Law, “Catalytic oxidation of methane over PdO in wire microcalorimetry”,Combustion and Flame, 160, 149-154, 2013

30. Z. Ren, S.L. Wang, and M.A. Singer, “Modeling hemodynamics in an unoccluded and partially occluded inferior vena cava under rest and exercise conditions”, Medical & Biological Engineering & Computing, 50 (3) 277-287, 2012

31. Z. Ren*,G.M. Goldin, V. Hiremath, and S.B. Pope, “Reduced description of reactive flows with tabulation of chemistry”,Combustion Theory and Modelling, 15(6), 827-848 (2011)

32. V. Hiremath,Z. Ren, and S.B. Pope, “Combined dimension reduction and tabulation strategy using ISAT–RCCE–GALI for the efficient implementation of combustion chemistry”,Combustion and Flame,

158(11)  (2011) 2113-2127

33. Z. Ren*and G.M. Goldin, “An efficient time scale model with tabulation of chemical equilibrium”,Combustion and Flame, 158(10) (2011) 1977-1979

34. V. Hiremath,Z. Ren, and S.B. Pope, “A greedy algorithm for species selection in dimension reduction of combustion chemistry”,Combustion Theory and Modelling, 14(5) (2010) 619-652

35. G.M. Goldin,Z. Ren, and S. Zahirovic, “A cell agglomeration algorithm for accelerating detailed chemistry in CFD”,Combustion Theory and Modelling, 13(4) (2009) 721-739

36. L. Lu, S.R. Lantz,Z. Ren, and S.B. Pope, “Computationally efficient implementation of combustion chemistry in parallel PDF calculations”,Journal of Computational Physics, 228 (2009) 5490-5525.

37. Z. Ren*and S.B. Pope, “Sensitivity calculations in PDF modeling of turbulent flames”,Proceedings of the Combustion Institute, 32 (2009) 1629-1637.

38. S.B. Pope andZ. Ren, “Efficient implementation of chemistry in computational combustion”,Flow, Turbulence and Combustion, 82(4) (2009) 437-453.

39. Z. Ren*and S.B. Pope, “Second-order splitting schemes for a class of reactive systems”,Journal of Computational Physics,   227 (2008), 8165-8176.

40. Z. Ren*and S.B. Pope, “Sensitivity calculations in PDF particle method”,Combustion and Flame, 153 (2008), 202-215.

41. Z. Ren*and S.B. Pope, “Reduced description of complex dynamics in reactive systems”,Journal of Physical Chemistry A,111 (2007)  8464-8474.

42. Z. Ren*and S.B. Pope, “Transport-chemistry coupling in the reduced description of reactive flows”,Combustion Theory and Modelling, 11(5) (2007) 1-25.

43. Z. Ren*, S.B. Pope, A. Vladimirsky, and J.M. Guckenheimer, “Application of the ICE-PIC method for the dimension reduction of chemical kinetics coupled with transport”,Proceedings of the Combustion Institute, 31 (2007) 473-481.

44. Z. Ren*and S.B. Pope, “The use of slow manifolds in reactive flows”,Combustion and Flame, 147 (2006) 243-261.

45. Z. Ren*, S.B. Pope, A. Vladimirsky, and J.M. Guckenheimer, “The ICE-PIC method for the dimension reduction of chemical kinetics”,Journal of Chemical Physics, 124 (2006) 114111.

46. Z. Ren*and S.B. Pope, “The geometry of reaction trajectories and attracting manifolds in composition space”,Combustion Theory and Modelling, 10 (3) (2006) 361-388.

47. Z. Ren*and S.B. Pope, “Species reconstruction using pre-image curves”,Proceedings of the Combustion Institute,30 (2005) 1293-1300.

48. Z. Ren*and S.B. Pope, “Entropy production and element conservation in the quasi-steady-state approximation”,Combustion and Flame, 137 (2004) 251-254.

49. Z. Ren*and S.B. Pope, “An investigation of the performance of turbulent mixing models”,Combustion and Flame,136 (2004) 208-216.

Address: Room 511, Lee Shau Kee Science and Technology Building, Tsinghua University, Haidian Dist., Beijing, China 100084
Tel:(+86) 010-627-98267

Connect With Us

Copyright © 2006-2019 Center for Combustion Energy