瞬态等离子体点火和火花塞点火起爆过程的对比研究

推进技术 ›› 2013, Vol. 34 ›› Issue (11): 1575-1579.

瞬态等离子体点火和火花塞点火起爆过程的对比研究

于锦禄¹,何立明¹,丁未¹,张玉敏¹,毛尧飞²,蒋永健³

空军工程大学陕西西安 710038;空军工程大学陕西西安 710038;空军工程大学陕西西安 710038;空军工程大学陕西西安 710038;中国人民解放军94826部队,上海 200433;总参陆航研究所,北京 101121

发布日期:2021-08-15
作者简介:于锦禄(1981—),男,博士生,讲师,研究领域为等离子体点火技术在脉冲爆震发动机中的应用。 E-mail:yujinlu1@163.com
基金资助:
国家自然科学基金(51106179)。

Comparative Investigation on Detonation Initiation Process of Transient Plasma Ignition and Spark Ignition

Air Force Engineering University, Xi’an 710038, China;Air Force Engineering University, Xi’an 710038, China;Air Force Engineering University, Xi’an 710038, China;Air Force Engineering University, Xi’an 710038, China;94826Unit of PLA, Shanghai 200433, China;General Staff Army Aviation Institute,Beijing 101121, China

Published:2021-08-15

摘要/Abstract

摘要： 为了研究瞬态等离子体点火起爆脉冲爆震发动机的可行性,设计了适用于脉冲爆震发动机的瞬态等离子体点火器,并对瞬态等离子体点火和火花塞点火的放电过程进行了对比,瞬态等离子体点火器具有更大的点火面积。在此基础上,以甲烷气为燃料,对瞬态等离子体点火和火花塞点火的爆震起爆过程进行了二维数值模拟研究,数值模拟结果表明,采用等离子体点火起爆过程引发爆震所需的爆燃到爆震时间和距离比火花塞点火起爆过程缩短了64%和22%。 

关键词: 脉冲爆震发动机;瞬态等离子体点火;火花塞点火;数值模拟 

Abstract: In order to investigate the initiation detonation possibility of the transient plasma ignition for pulse detonation engine, a transient plasma ignition, which could be used for pulse detonation engine, was designed. Comparisons were made between the processes of spark ignition and transient plasma ignition. Compared with the spark ignition, the transient plasma ignition has larger ignition area. Based on those, the initiation detonation by spark ignition and transient plasma ignition were simulated. The fuel is CH₄. The results show that, compared with the spark ignition, the transient plasma ignition could reduce the Deflagration to Detonation Transition(DDT) time by 64% and distance by 22%,respectively. 

Key words: Pulse detonation engine; Transient plasma ignition; Spark ignition;Numerical simulation

于锦禄,何立明,丁未,张玉敏,毛尧飞,蒋永健. 瞬态等离子体点火和火花塞点火起爆过程的对比研究[J]. 推进技术, 2013, 34(11): 1575-1579.

YU Jin-lu¹, He Li-ming¹, DING Wei¹, ZHANG Yu-min¹, MAO Yao-fei², JIANG Yong-jian³. Comparative Investigation on Detonation Initiation Process of Transient Plasma Ignition and Spark Ignition[J]. Journal of Propulsion Technology, 2013, 34(11): 1575-1579.

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