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前向爆轰驱动变截面激波管特性的数值模拟
Alternative TitleNUMERICAL SIMULATION OF VARIABLE CROSS-SECTION SHOCK TUBES WITH FORWARD DETONATION DRIVER
杨宏伟; 黄敦; 俞鸿儒; 王斌
Source Publication力学学报
2005
Volume37Issue:4Pages:494-500
ISSN0459-1879
Abstract讨论的激波管由氢氧前向爆轰产生高压驱动气体、并配有收缩截面段,它能产生高焓超高速气流.对此进行了模拟.既对变截面角度的作用,两端截面积比的作用又对比正向反向爆轰有何不同效果做了探讨.正向爆轰时主膜处的收缩段产生的汇聚作用既加强主激波又产生反向激波,缓解了爆轰波阵面后紧跟着的稀疏波导致主激波衰减偏快的不利影响.当收缩角度在30°和45°之间时,主激波的强度较高,衰减较小;当β接近90°时在主激波传播过一小段距离之后,主激波后高温高速气流较均匀,且主激波的衰减最小,具有实用价值.驱动段与被驱动段的截面积比越大,主激波的强度越高,但是最初阶段衰减也越快.反向爆轰时产生的主激波衰减最缓,但是同样的主激波强度需要的驱动段与被驱动段初始压力比前向爆轰高1个量级.
Keyword变截面激波管 氢氧爆轰 Tvd格式 双介质流 稀疏波
Subject Area力学
Indexed ByCSCD
Language中文
CSCD IDCSCD:2006181
Citation statistics
Cited Times:3[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/15701
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
杨宏伟,黄敦,俞鸿儒,等. 前向爆轰驱动变截面激波管特性的数值模拟[J]. 力学学报,2005,37,4,:494-500.
APA 杨宏伟,黄敦,俞鸿儒,&王斌.(2005).前向爆轰驱动变截面激波管特性的数值模拟.力学学报,37(4),494-500.
MLA 杨宏伟,et al."前向爆轰驱动变截面激波管特性的数值模拟".力学学报 37.4(2005):494-500.
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