IMECH-IR  > 力学所知识产出(1956-2008)
Numerical analysis on wave dynamic processes in pulse detonation devices
Jiang ZL(姜宗林); Wang C(王超); Hu ZM(胡宗民); Zhao W(赵伟)
Source PublicationAmerican Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
2002
Conference NameComputational technologies for Fluid/Thermal/Structural/Chemical Systems with Industrial Applications (2002 ASME Prssure Vessels and Piping Conference)
Conference DateAugust 5, 2002 - August 9, 2002
Conference PlaceVancouver, BC, Canada
Abstract

In this paper, wave dynamics processes occurring in pulse detonation devices are analyzed both numerically and experimentally, including the propagation of detonation fronts, the motion of rarefaction waves in gas exhausting phase and the diffraction of shock waves at thrust nozzles. Numerical results are also compared with experiments to confirm the observed wave phenomena. In order to estimate operation roles of pulse detonation engines more accurately, the initiation of the air/hydrogen mixture is also examined experimentally at certain conditions. Numerical analysis indicates that pulse detonation devices can be operated in a quite high frequency, the gas-filling phase occupies a longer time in one detonation cycle, and decreasing the length of detonation chambers for the higher operation frequency is possible, but has its limitation.

KeywordPulse Detonation Devices
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Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60257
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
Jiang ZL,Wang C,Hu ZM,et al. Numerical analysis on wave dynamic processes in pulse detonation devices[C]American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP,2002.
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