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Dr. Peiyi Sun

Postdoctoral fellow

Department of Building Services Engineering, 

The Hong Kong Polytechnic University,

Hung Hom, Kowloon, Hong Kong

Room: ZN 808

Phone: (852) 2765 7198



Dr Peiyi Sun is a postdoctoral fellow at the Research Center for Fire Engineering. She received her PhD and M.Eng. degree from the Hong Kong Polytechnic University. Her PhD thesis is a pioneering, in-depth, systematic study of the dripping ignition fire phenomenon. After that, she became a Postdoctoral Fellow at the Hong Kong Polytechnic University, conducting simulation studies of phase change problems.


Ph.D.   Hong Kong Polytechnic University    2019-2022

            Thesis: Dripping ignition dynamics and fire hazards    Advisor: Prof. Xinyan Huang


M.Eng. Hong Kong Polytechnic University    2017-2018

            Building Services Engineering         Advisor: Prof. Asif Sohail Usmani

            Thesis: A study of vertical fire spread in multi-story buildings of balcony depth


B.Eng. Tianjing Chengjian University    2013-2017

            Water Supply and Drainage Engineering

Research Interests

Dripping fire phenomena, battery fire, Computational Modelling of Fire

Awards Interests

  • Best Thesis Awards for PhD Degree     China Fire Protection Association                     2023

  • SFPE Jack Bono Awards (First-author) for Engineering Communication                        2021

  • Best Poster Awards (co-author) China National Symposium on Combustion                2019-2020

  • The Greater Bay Area STEM Excellence Award                                                             2020

  • Student Essay Competition -Merit Award HKIE Fire Division                                       2019

Journal Publications:

Selected conference communications:

  1. P. Sun, N. En, N. Yuji, Mathematical Modelling of Single Bubble Growth in Thermoplastic Driven by Pyrolysis Process, 61st Symposium (Japanese) on Combustion, 12th Asia-Oceania Symposium on Fire Science and Technology, Akita Atorion, Japan, Nov 15-17, 2023 [Paper + Oral]

  2. P. Sun, T. Zhang, X. Huang, The Effects of Scale on Solid Fuel Mass Burning Flux and Flame Behavior, 14th International Symposium on Fire Safety Science, Tsukuba, Japan, Oct 23-27, 2023. [Poster]

  3. P. Sun, Y. Jia, X. Zhang and X. Huang. Ignition by continual polyethylene drips and the soaking processes, 12th Asia-Oceania Symposium on Fire Science and Technology, Queensland, Australia, 7-9 Dec 2021. [Oral]

  4. P.Sun, Y.Jia, X Zhang, X Huang. Dripping Ignition of Porous Materials: The Effect of Soaking. 38th Symposium Work in Progress Poster, 24-29 Jan 2021. [Poster]

  5. P. Sun, S. Lin and X. Huang, Experimental study on the dripping ignition of thin fuel.13th International Association on Fire Science, 2020. [Poster].

  6. P. Sun, D. Chao, X. Zhang and X. Huang, Small scale fire whirl experiment in low-pressure environment.13th International Association on Fire Science, 2020. [Poster].

  7. Xiong C.Y., Sun P.Y. and Huang X.Y. Numerical modeling of flame evolution behind a falling polymer drip. 13th International Association on Fire Science, 2020. [Poster].

  8. P. Sun, C. Wu, F. Zhu, S. Wang, X. Huang, Microgravity Combustion of Polyethylene Droplet in Drop Tower, Presented at the 1st Asia-Pacific Combustion Institute Summer School, Viña del Mar, Chile, 10-16 Nov 2019. [Poster]

  9. P. Sun, S. Lin, X. Huang, Fire Hazard and Ignition Mechanism of Thermoplastic Drips, Presented at the 1st Asia-Pacific Combustion Institute Summer School, Viña del Mar, Chile, 10-16 Nov 2019. [Poster]

  10. P. Sun, S. Lin, X. Huang, Experimental study of dripping ignition, China National Symposium on Combustion, Tianjin, China, 24-27 Oct 2019. [Paper + Oral]

  11. S.Lin, P. Sun, X.Huang, Critical Conditions for Flaming Peat Fire in Wildland, 6th Fire Behaviour and Fuels Conference, Sydney, Australia, April 29-May 3, 2019.[Oral]

  12. S. Lin, P. Sun, X. Huang, Three-Stage Combustion of Peat under External Radiation, 8th East Asia Mechanical Engineering Workshop, The Hong Kong Polytechnic University, 1-3 Dec 2018, Hong Kong, China. [Paper + Oral]

  13. L. Guo, C. Chen, H. Niu, Z. Li, X. Jiang, S. Mo, P. Sun, X. Huang. Characterization of thermal runaway propagation induced by thermal abuse in 18650 lithium-ion battery module,11th Asia-Oceania Symposium on Fire Science and Technology (AOSFST), Taipei, Taiwan, 21-25 Oct 2018. [Paper + Oral]

  14. P. Sun, S. Lin, X. Huang, How dripping flames ignite a thin fuel,  27th International Colloquium on the Dynamics of Explosions and Reactive systems, 28th-2nd August 2019, Beijing, China. [Paper + Oral]


  • P. Sun, C. Xu, X. Huang, Y. Jia, An experimental method of investigating dripping ignition and a system of generating dripping flame. Application No. 202010284391.X 孙培艺、许沧粟、黄鑫炎、贾逸凡,一种研究滴落点火的实验方法和产生滴落火焰的系统,中国专利,申请编号:202010284391.X 

  • S. Wang, Y. Zhang, C. Xu, P. Sun, X. Huang, An experimental method and device to simulate the ignition behaviors by the high-temperature and high-speed particle, China Patent, Application No. 202010143225. 8王苏盼、张玉、许沧粟、孙培艺、黄鑫炎,一种模拟高温高速颗粒点火特性的实验方法及实验装置,中国专利,申请编号:202010143225. 8

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