Knowledge Management System of Institue of Mechanics, CAS
Flame Propagation of H_2-Air in a Semi-Open Obstructed Tube | |
Yu LX(余立新); Sun WC(孙文超); Wu CK(吴承康) | |
Source Publication | Journal of Combustion Science and Technology |
2002 | |
Volume | 8Issue:1Pages:27-30 |
ISSN | 1006-8740 |
Other Abstract | 针对氢/空气混合物,通过实验研究了其预混火焰在半开口管道中的火焰传播加速现象,结果表明,火焰传播状态随着氢气当量比的变化而发生改变。当氢/空气混合物被点燃后,由于障碍物的扰动,火焰在管道中不断加速传播,并最终到达一准稳态传播。在氢气当量比0.31附近时,火焰速度发生跃变。当氢气当量比足够大时,火焰传播由爆燃态转变为爆轰态。在本实验条件下,爆燃转准爆轰的临界条件是d/Lambda>=2.6(d是圆环形障碍物内径,人是爆轰格胞尺度)。障碍物阻塞比的变化对最大火焰速度和压力提升的影响不明显。 |
Subject Area | 力学 |
Indexed By | 其他 |
Language | 中文 |
Document Type | 期刊论文 |
Identifier | http://dspace.imech.ac.cn/handle/311007/16040 |
Collection | 力学所知识产出(1956-2008) |
Recommended Citation GB/T 7714 | Yu LX,Sun WC,Wu CK. Flame Propagation of H_2-Air in a Semi-Open Obstructed Tube[J]. Journal of Combustion Science and Technology,2002,8,1,:27-30. |
APA | 余立新,孙文超,&吴承康.(2002).Flame Propagation of H_2-Air in a Semi-Open Obstructed Tube.Journal of Combustion Science and Technology,8(1),27-30. |
MLA | 余立新,et al."Flame Propagation of H_2-Air in a Semi-Open Obstructed Tube".Journal of Combustion Science and Technology 8.1(2002):27-30. |
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氢_空气火焰在半开口有障碍管道中的传播特(338KB) | 开放获取 | -- | View Download |
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