Kinetic effects of nanosecond discharge on ignition delay time

Xingqian Mao; Guoxiu Li; Qi Chen; Yujun Zhao

doi:10.1016/j.cjche.2016.05.014

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Kinetic effects of nanosecond discharge on ignition delay time

Catalysis, Kinetics and Reaction Engineering | Updated：2026-01-06

- Kinetic effects of nanosecond discharge on ignition delay time
- Kinetic effects of nanosecond discharge on ignition delay time
- 中国化学工程学报（英文版） 2016年24卷第12期页码：1719-1727
- Affiliations：
  
  School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University,Beijing,China,100044
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.05.014
  中图分类号：
- 纸质出版：2016
- Accepted：
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Xingqian Mao, Guoxiu Li, Qi Chen, 等. Kinetic effects of nanosecond discharge on ignition delay time[J]. 中国化学工程学报（英文版）, 2016,24(12):1719-1727.

Xingqian Mao, Guoxiu Li, Qi Chen, Yujun Zhao. Kinetic effects of nanosecond discharge on ignition delay time[J]. , 2016, 24(12): 1719-1727.
Xingqian Mao, Guoxiu Li, Qi Chen, 等. Kinetic effects of nanosecond discharge on ignition delay time[J]. 中国化学工程学报（英文版）, 2016,24(12):1719-1727. DOI： 10.1016/j.cjche.2016.05.014.

Xingqian Mao, Guoxiu Li, Qi Chen, Yujun Zhao. Kinetic effects of nanosecond discharge on ignition delay time[J]. , 2016, 24(12): 1719-1727. DOI： 10.1016/j.cjche.2016.05.014.

摘要

Abstract

The effects of nanosecond discharge on ignition characteristics of a stoichiometric methane-air mixture without inert diluent gas were studied by numerical simulation at 0.1 MPa and an initial temperature of 1300 K. A modified non-equilibrium plasma kinetic model was developed to simulate the temporal evolution of particles produced during nanosecond discharge and its afterglow. As important roles in ignition

path fluxes of O and H radicals were analyzed in detail. Different strength of

E/N

and different discharge duration were applied to the discharge process in this study. And the results presented that a deposited energy of 1-30 mJ·cm

-3

could dramatically reduce the ignition delay time. Furthermore

temperature and radicals analysis was conducted to investigate the effect of non-equilibrium plasma on production of intermediate radicals. Finally

sensitivity analysis was employed to have further understanding on ignition chemistries of the mixture under nanosecond discharge.

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