Optimization design of new ignition system for pulse detonation engine

被引：0
|
作者：
Jiang, Ri-Hong [1 ]
Wu, Xiao-Song [1 ]
Yu, Ling [1 ]
Chen, Zhi-Gang [2 ]
机构：
[1] School of Mechanical Engineering, NUST, Nanjing 210094, China
[2] Commissarial Room for Army of Changzhi, General Armament Department of PLA, Changzhi 046000, China
来源：
Nanjing Li Gong Daxue Xuebao/Journal of Nanjing University of Science and Technology | 2009年 / 33卷 / 02期
关键词：
Nozzle design - Ignition systems - Jet engines - Ignition;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new ignition system is applied to pulse detonation engine (PDE), which is a flame jet ignition (FJI) system, to enhance a deflagration to detonation transition (DDT) time and length. Main subjects are studied: to change the FJI parameters of the length, diameter and nozzle diameter, to optimize the best configuration of FJI sub-chamber to obtain its basic design, to compare the results with the process time of DDT of the conventional spark ignition (CSI) system. The most effective structure of the subchamber for the PDE is that the nozzle diameter is 4 mm, the length is 10 mm and the volume is 3.8 cm3. The FJI system is shown to be a more effective ignition system to shorten DDT time by a factor of 1.26 comparing with the CSI system.
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页码：225 / 229
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