jennifer-wen image

Professor Jennifer X Wen


Professor in Energy Resilience
BEng, PhD, CEng, FIMechE

Academic and research departments

School of Mechanical Engineering Sciences.

About

Areas of specialism

Development of physics-based sub-models and modelling approaches to capture the underlying physics related to accidental releases and the resulting fire and explosions ; Applying fundamental combustion science to study a wide range of fire scenarios including pool fires, single and multi-phase jet fires, flame spread over combustible solid and liquid, façade fires, fires in enclosures and fire whirls in wildland; Safety of lithium-ion batteries, especially thermal runaway and its propagation in modules/packs; Safety of gas and liquid hydrogen; Fundamental characteristics of flame acceleration (FA) and deflagration to detonation transition (DDT); Fundamental characteristics of flame acceleration (FA) and deflagration to detonation transition (DDT).

My qualifications

1984
BEng Mechanical Engineering
Shanghai Jiaotong University
1990
PhD
Queen Mary College, University of London
1993
Certificate in Management Studies
Oxford Brooks University

Research

Research interests

Research projects

Indicators of esteem

  • 2021- present            Vice-Chairman (Europe & Africa), International Association of Fire Safety Science (IAFSS), Chair of IAFSS Research Sub-committee

  • 2019 - present             Steering Committee Member, British Section of the Combustion Institute

  • 2019 - 2020                 Guest Editor, Special Issue on Lithium-ion Battery Fire Safety, Fire Technology

  • 2018 - present             Member and Sub-Task Leader, European Hydrogen Safety Panel, established by Clean Hydrogen Joint Undertaking, European Commission

  • 2019 - present             Guest Editor, Special issue on the International Symposium on Hydrogen Fire, Explosion and Safety Standards (ISHFESS 2018), 6–8 July 2018, Hefei, Anhui Province, China

  • 2015 - present             Member of the Science Board, UK Engineering and Physical Science Research Council (EPSRC) SUPERGEN Hydrogen and Fuel Cells Research Hub

  • 2015 - 2019                 Deputy Leader, Safety Task Group for the International Energy Agency

  • 2016 - 2017            Guest editor,  special issues on hydrogen safety for the International J of Hydrogen Energy

  • 2010 - present             Editorial board, J of Fire Safety Science

  • 2006 – 2009                Member, Expert Advisory Council for the EU Network of Excellence on Hydrogen Safety (HySAFE)

  • Organisation/Scientific Committees of Conferences

  •         

  • 2023             Member of the Scientific Committee, International Conference on Hydrogen Safety, Quebec, Canada, September 19-21, 2023

  • 2023             Colloquium Co-Chair & Awards Committee Co-Chair, 14th International Symposium on Fire Safety Science, Tsukuba, Japan, October 22-27, 2023

  • 2022           Colloquium Co-Chair,  International Symposium on Combustion, Vancouver, Canada, July 24-29, 2022

  • 2021             Awards Co-Chair and Topic Area Co-Leader of Fire Dynamics for the 13th International Symp. on Fire Safety Science, University of Waterloo, Canada

  • 2021             Scientific Committee, 9th International Conference on Hydrogen Safety, Edinburgh, UK. 

  • 2021             Vice Chair, Organising Committee, 2nd International Symp. on Lithium Battery Fire Safety, Hefei, China

  • 2021             Scientific Committee and Co-Chair of the organising committee for the 2nd International Symp. on Hydrogen Fire, Explosion and Safety Standard (ISHFESS2021), Hefei, China

  • 2019             Program Committee, 27th International Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS), Beijing, China 

  • 2019             Vice Chair, Organising Committee, 1st International Symp. on Lithium Battery Fire Safety, Hefei, China

  • 2019             Scientific Committee, 8th International Conference on Hydrogen Safety, Adelaide, Australia

  • 2019          Organising committee member, 4th International Conference on “Battery and Fuel Cell Technology", September 05-06, 2019 Berlin, Germany

  • 2018             Scientific Committee, 3rd European Symp. on Fire Safety Science, Nancy, France

  • 2018             Scientific Committee and Co-Chair of the organising committee for the 1st International Symp. on Hydrogen Fire, Explosion and Safety Standard (ISHFESS2018), Hefei, China

  • 2018             Organising committee member, 3rd International Conference on “Battery and Fuel Cell Technology", London, UK

  • 2018             International Advisory Committee and Scientific Committee, 2018 International Symp. on Safety Science and Technology (2018 ISSST), Shanghai, China

  • 2017             Vice Chair, Programme Committee, 8th International Conference on Fire Science and Fire Protection Engineering, Nanjing, China

  • 2017    Session Chair, 26th International Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS), Boston, USA

  • 2017             Session Chair, 12th International Symp. on Fire Safety Science, Lund, Sweden, June 2017

  • 2017             Scientific Committee, 7th International Conference on Hydrogen Safety, Hamburg, Germany

  • 2016             Organising committee member, 3rd International Conference on “Battery and Fuel Cell Technology", Dubai, UAE

  • 2016             Chair of the Organising Committee, UKELG Workshop on “Advances in explosion modelling”, Coventry, UK

  • 2015             Scientific Committee, 6th International Conference on Hydrogen Safety, Yokohama, Japan

  • 2013             Scientific Committee, 5th International Conference on Hydrogen Safety, Brussels, Belgium

  • 2012             Scientific Committee, 4th International Congress on Combustion and Fire Dynamics, San Sebastian, Spain

  • 2011             Program and Scientific Committee, 23rd International Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS), University of California Irvine, USA

  • 2011             Scientific Committee, 4th International Conference on Hydrogen Safety, San Francisco, USA

  • 2010             Member of Scientific Committee, 3rd International Congress on Combustion and Fire Dynamics, San Sebastian, Spain

  • 2010             Scientific Committee, 2nd International Congress on Combustion and Fire Dynamics, San Sebastian, Spain

  • 2008             Scientific Committee, 1st International Congress on Combustion and Fire Dynamics, San Sebastian, Spain2008             Scientific Committee, 1st International Congress on Combustion and Fire Dynamics, San Sebastian, Spain

  • 2009             Scientific Committee, 3rd International Conference on Hydrogen Safety, Ajaccio, Corsica, France

  • 2007             Scientific Committee, International Conference on Hydrogen Safety, San Sebastian, Spain 2007

  • 2006             Scientific Committee, International Seminar on Fire and Gas Explosion (UK), Workshop on Enclosure Fires, Belfast

  • Keynote Speeches/Plenary Lectures

  • 2023                14th International Symposium on Fire Safety Science, Tsukuba, Japan, October 22-27, 2023

  • 2023               3rd International Symp. on Lithium Battery Fire Safety, Qingdao, China

  • 2021    2nd International Symp. on Hydrogen Fire, Explosion and Safety Standard, Hefei, China

  • 2019               1st International Symp. on Lithium Battery Fire Safety, Hefei, China

  • 2018                11th Asia-Oceania Symposium on Fire Science and Technology, Taipei, Taiwan

  • 2017                8th International Conference on Fire Science and Fire Protection Engineering, Nanjing, China

  • 2016                            International Conference on Battery Technology, Dubai, DAE

  • 2016                            Int Symp. on Safety and Technology, Kunmin, China

  • 2016                7th International Conference on Fire Science and Fire Protection Engineering (Fire Safety for Super High-rise Building), Guangzhou, China

  • 2016                            International Symp. on Fire Engineering Technology, Tianjin, China

  • 2016                Hydrogen & Fuel Cell SUPERGEN Researcher Conference, University of Birmingham, UK

  • 2016                3rd International Symp., The 21st Century Centre of Excellence Program, Tokyo University of Science, 2008

  • 2013                            6th International Conference on Performance Based Codes, Wuhan, China

CFD modelling capability

Developed and validated a series of solvers within the frame of open-source computational fluid dynamics (CFD) code OpenFOAM® for a variety of safety related reactive and non-reactive flows. These modified solvers are primarily used for internal research. Those interested in related capabilities should contact jennifer.wen@surrey.ac.uk to discuss needs and possibilities to acquire a tailored version through research contracts.

  • HyFOAM for both gas and cryogenic liquid hydrogen release, fire and explosions
  • DDT-FOAM for predicting flame acceleration and transition from deflagration to detonationCylinderFOAM for predicting the response of high-pressure cylinders under fire attack
  • LNG-FOAM for predicting pool spread, evaporation and dispersion following LNG spill on land/water, rollover in LNG tanks, flashing cryogenic jets, vapour cloud formation from LNG/other liquid fuel cascade and LNG pool fires
  • LibFOAM, an electro-thermal model to capture the evolution of lithium ion batteries from normal operation, abuse condition to thermal runaway
  • In-house version of FireFOAM with specially developed sub-models for combustion, soot and radiative heat transfer in fire simulations as well as dynamic predictions of mass burning rate of liquid pool fires
  •  CFD-DECOM for predicting the decompression characteristics of rich gas and dense phase carbon dioxide (CO2) following pipeline rupture in the context of carbon capture and storage (CCS)
  • CO2FOAM for predicting the atmospheric dispersion of the released CO2 for CCS applications
  • CFD-GLAZ for predicting the response of glazing systems in elevated temperature.

Publications

Highlights

  1. Wen, Jennifer X., Marono, Marta, Moretto, Pietro, Reinecke, Ernst-Arndt, Sathiah, Pratap, Studer, Etienne, Vyazmina, Elena and Melideo, Daniele (2022) Statistics, lessons learned and recommendations from analysis of HIAD 2.0 database. International Journal of Hydrogen Energy, 47 (38). pp. 17082-17096. doi:10.1016/j.ijhydene.2022.03.170
  2. Ren, Z.X., Giannissi, S., Venetsanos, A.G., Friedrich, A., Kuznetsov, M., Jordan, T., Wen, J.X. (2022), The evolution and structure of ignited high-pressure cryogenic hydrogen jets, Int. J. Hydrogen Energy, https://doi.org/10.1016/j.ijhydene.2022.06.230.
  3. Xiaobo Shen, Wenju Fu, Wenkai Liang, Jennifer X. Wen, Haifeng Liu, Chung K. Law, Strong flame acceleration and detonation limit of hydrogen-oxygen mixture at cryogenic temperatures, Proceedings of the Combustion Institute. Vol.39. https://doi.org/10.1016/j.proci.2022.07.005.
  4. Xu, Baopeng and Wen, Jennifer X. (2022) Computational analysis of the mechanisms and characteristics for pulsating and uniform flame spread over liquid fuel at subflash temperatures. Combustion and Flame, 238. 111933. doi:10.1016/j.combustflame.2021.111933
  5. Vendra, Chandra Madhav Rao, Shelke, Ashish V., Buston, Jonathan E.H., Gill, Jason, Howard, Daniel, Read, Elliott, Abaza, Ahmed, Cooper, Brian and Wen, Jennifer X. (2022) Numerical and experimental characterisation of high energy density 21700 lithium-ion battery fires. Process Safety and Environmental Protection, 160. pp. 153-165. doi:10.1016/j.psep.2022.02.014
  6. Shelke, Ashish V., Buston, Jonathan E. H., Gill, Jason, Howard, Daniel, Williams, Rhiannon C. E., Read, Elliott, Abaza, Ahmed, Cooper, Brian, Richards, Philp and Wen, Jennifer X. (2022) Combined numerical and experimental studies of 21700 lithium-ion battery thermal runaway induced by different thermal abuse. International Journal of Heat and Mass Transfer, 194. 123099. doi:10.1016/j.ijheatmasstransfer.2022.123099
  7. Shelke, Ashish V., Buston, Jonathan E.H., Gill, Jason, Howard, Daniel, Abbott, Katie C., Goddard, Steven L., Read, Elliott, Howard, Gemma E., Abaza, Ahmed, Cooper, Brian and Wen, Jennifer X. (2022) Characterizing and predicting 21700 NMC lithium-ion battery thermal runaway induced by nail penetration. Applied Thermal Engineering, 209. 118278. doi:10.1016/j.applthermaleng.2022.118278
  8. Kong, Depeng, Wang, Gongquan, Ping, Ping and Wen, Jennifer X. (2022) A coupled conjugate heat transfer and CFD model for the thermal runaway evolution and jet fire of 18650 lithium-ion battery under thermal abuse. eTransportation, 12. 100157. doi:10.1016/j.etran.2022.100157
  9. Chen, Haodong, Buston, Jonathan E. H., Gill, Jason, Howard, Daniel, Williams, Rhiannon C. E., Read, Elliott, Abaza, Ahmed, Cooper, Brian and Wen, Jennifer X. (2021) A simplified mathematical model for heating-induced thermal runaway of lithium-ion batteries. Journal of The Electrochemical Society, 168 (1). 010502. doi:10.1149/1945-7111/abd64c
  10. Kong, Depeng, Wang, Gongquan, Ping, Ping and Wen, Jennifer X. (2021) Numerical investigation of thermal runaway behavior of lithium-ion batteries with different battery materials and heating conditions. Applied Thermal Engineering, 189. 116661. doi:10.1016/j.applthermaleng.2021.116661
  11. Han, Wenhu, Liang, Wenkai, Wang, Cheng, Wen, Jennifer X. and Law, Chung K. (2021) Spontaneous initiation and development of hydrogen-oxygen detonation with ozone sensitization. Proceedings of the Combustion Institute, 38 (3). pp. 3575-3583. doi:10.1016/j.proci.2020.06.239
  12. Shelke, Ashish V. and Wen, Jennifer X. (2021) The burning characteristics and flame evolution of hydrocarbon and hydrogen flash fires. Proceedings of the Combustion Institute, 38 (3). pp. 4699-4708. doi:10.1016/j.proci.2020.05.013
  13. Xu, Baopeng and Wen, Jennifer X. (2021) The effect of convective motion within liquid fuel on the mass burning rates of pool fires – a numerical study. Proceedings of the Combustion Institute, 38 (3). pp. 4979-4986. doi:10.1016/j.proci.2020.07.099
  14. Chen, Haodong, Buston, Jonathan E. H., Gill, Jason, Howard, Daniel, Williams, Rhiannon C. E., Rao Vendra, Chandra M., Shelke, Ashish and Wen, Jennifer X. (2020) An experimental study on thermal runaway characteristics of lithium-ion batteries with high specific energy and prediction of heat release rate. Journal of Power Sources, 472. 228585. doi:10.1016/j.jpowsour.2020.228585
  15. Fukumoto, Kazui, Wen, Jennifer X., Li, Manhou, Ding, Yanming and Wang, Changjian (2020) Numerical simulation of small pool fires incorporating liquid fuel motion. Combustion and Flame, 213 . pp. 441-454. doi:10.1016/j.combustflame.2019.11.047
  16. Kong, Depeng, Peng, Rongqi, Ping, Ping, Du, Jin, Chen, Guoming and Wen, Jennifer X. (2020) A novel battery thermal management system coupling with PCM and optimized controllable liquid cooling for different ambient temperatures. Energy Conversion and Management, 204 . 112280. doi:10.1016/j.enconman.2019.112280
  17. Khodadadi Azadboni, Reza, Heidari, Ali and Wen, Jennifer X. (2020) Numerical analysis of flame acceleration and onset of detonation in homogenous and inhomogeneous mixture. Journal of Loss Prevention in the Process Industries. 104063. doi:10.1016/j.jlp.2020.104063
  18. Ren, Zhaoxin and Wen, Jennifer X. (2020) Numerical characterization of under-expanded cryogenic hydrogen gas jets. AIP Advances, 10 (9). 095303. doi:10.1063/5.0020826
  19. Hubert, Antoine, Dembele, Siaka, Denissenko, Petr and Wen, Jennifer X. (2019) Predicting liquefied natural gas (LNG) rollovers using computational fluid dynamics. Journal of Loss Prevention in the Process Industries, 62 . 103922. doi:10.1016/j.jlp.2019.103922
  20. Sinha, Anubhav and Wen, J. (2019) A simple model for calculating peak pressure in vented explosions of hydrogen and hydrocarbons. International Journal of Hydrogen Energy, 44 (40). pp. 22719-22732. doi:10.1016/j.ijhydene.2019.02.213
  21. Xu, B. P., Cheng, C. L. and Wen, J. X. (2019) Numerical modelling of transient heat transfer of hydrogen composite cylinders subjected to fire impingement. International Journal of Hydrogen Energy, 44 (21). pp. 11247-11258. doi:10.1016/j.ijhydene.2019.02.229
  22. Ping, Ping, Peng, Rongqi, Kong, Depeng, Chen, Guoming and Wen, Jennifer X. (2018) Investigation on thermal management performance of PCM-fin structure for Li-ion battery module in high-temperature environment. Energy Conversion and Management, 176 . pp. 131-146. doi:10.1016/j.enconman.2018.09.025
  23. Ping, Ping, Kong, Depeng, Zhang, Jiaqing, Wen, Ruoxi and Wen, Jennifer X. (2018) Characterization of behaviour and hazards of fire and deflagration for high-energy Li-ion cells by over-heating. Journal of Power Sources, 398. pp. 55-66. doi:10.1016/j.jpowsour.2018.07.044
  24. Vendra, C. Madhav Rao, Sathiah, Pratap and Wen, Jennifer X. (2018) Effects of congestion and confining walls on turbulent deflagrations in a hydrogen storage facility-part 2 : numerical study. International Journal of Hydrogen Energy, 43 (32). pp. 15593-15621. doi:10.1016/j.ijhydene.2018.06.100
  25. Fukumoto, Kazui, Wang, Changjian and Wen, Jennifer X. (2018) Large eddy simulation of upward flame spread on PMMA walls with a fully coupled fluid–solid approach. Combustion and Flame, 190 . pp. 365-387. doi:10.1016/j.combustflame.2017.11.012
  26. Ping, Ping, Wang, Qingsong, Chung, Yongmann M. and Wen, Jennifer X. (2017) Modelling electro-thermal response of lithium-ion batteries from normal to abuse conditions. Applied Energy, 205 . pp. 1327-1344. doi:10.1016/j.apenergy.2017.08.073
  27. Hubert, A., Dembele, S., Denissenko, P., Wen, J. (2017) Numerical predictions of the rollover phenomenon using computational fluid dynamics, Institution of Chemical Engineers Symposium Series  2017-May(162).
  28. Xu, B. P. and Wen, Jennifer X. (2014) The effect of tube internal geometry on the propensity to spontaneous ignition in pressurized hydrogen release. International Journal of Hydrogen Energy, 39 (35). pp. 20503-20508. doi:10.1016/j.ijhydene.2014.04.141
  29. Xu, B. P., Jie, H. and Wen, Jennifer X. (2014) A pipeline depressurization model for fast decompression and slow blowdown. International Journal of Pressure Vessels and Piping, 123-124 . pp. 60-69. doi:10.1016/j.ijpvp.2014.07.003
  30. Wen, J.X., Xu, B.P., Tam, V.H.Y. (2009) Numerical study on spontaneous ignition of pressurized hydrogen release through a length of tube. Combustion and Flame, Volume 156 (Number 11). pp. 2173-2189. doi:10.1016/j.combustflame.2009.06.012

Additional publications