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障碍物结构对管道中预混火焰加速的影响
Alternative TitleInfluence of the Configuration of Obstacles on Premixed Flame Acceleration in a Tube
余立新; 孙文超; 吴承康
Source Publication燃烧科学与技术
2002-12-25
Volume8Issue:6Pages:483-486
Abstract在一端封闭、一端开口的火焰传播管中均匀布置障碍物,研究了障碍物结构对管道中预混火焰传播的影响。结果表明,由于障碍物的扰动,火焰不断加速,在阻塞比相同的条件下,最终的火焰稳态速度与障碍物的形状和间距基本无关,其中障碍物间距仅仅影响火焰的加速速率,在障碍物间距约等于火焰传播管内径(W/D ≈ 1.0)时,平均火焰速度达到最大值,火焰到达稳态传播的距离最短。同时,本文用一维简化模型模拟了火焰在障碍物管道中的加速过程,计算结果与实验测试结果在定性上比较吻合,说明在管内火焰速度较低的情况下,用一维可压缩流动近似处理能初步揭示管内火焰的加速机制。
Keyword障碍物结构 预混火焰 火焰加速
Indexed ByCSCD
Language中文
Funding Organization国家重点基础研究发展规划基金资助项目(G1999022305)。
CSCD IDCSCD:1015471
Citation statistics
Cited Times:5[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/42102
Collection力学所知识产出(1956-2008)
Corresponding Author余立新
Recommended Citation
GB/T 7714
余立新,孙文超,吴承康. 障碍物结构对管道中预混火焰加速的影响[J]. 燃烧科学与技术,2002,8(6):483-486.
APA 余立新,孙文超,&吴承康.(2002).障碍物结构对管道中预混火焰加速的影响.燃烧科学与技术,8(6),483-486.
MLA 余立新,et al."障碍物结构对管道中预混火焰加速的影响".燃烧科学与技术 8.6(2002):483-486.
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