Role of O3 addition in the deflagration-to-detonation transition of an ethylene-oxygen mixture in a macroscale tube

被引：3
|
作者：
Wang, C. [1 ]
Gu, G. T. [1 ]
Han, W. H. [1 ]
Cai, Y. [1 ]
机构：
[1] Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China
来源：
SHOCK WAVES | 2020年 / 30卷 / 7-8期
基金：
中国国家自然科学基金; 国家重点研发计划; 北京市自然科学基金;
关键词：
Deflagration; Detonation; Ozone;
D O I：
10.1007/s00193-020-00981-w
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Deflagration-to-detonation transition (DDT) in a macroscale tube is investigated experimentally for stoichiometric ethylene-oxygen with O-3 (ozone) addition. The effect of O-3 addition on the DDT process is studied, including its dependence on initial pressure. This kinetic effect of ozone addition was investigated by examining the influence of ozone self-decomposition and ethylene ozonolysis on ignition delay time. It was found that O-3 addition promotes DDT, while excessive O-3 addition has a negative effect on DDT. Consequently, there is a critical O-3 addition effect which depends strongly on initial pressure. For a lower initial pressure, kinetic effects of O-3 addition are more obvious.
引用
收藏
页码：781 / 787
页数：7
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