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障碍物管道中湍流火焰发展的数值模拟
Alternative TitleNumerical Simulation of Development of Turbulent Flame in an Obstructed Tube
余立新; 孙文超; 吴承康
Source Publication燃烧科学与技术
2003
Volume9Issue:1Pages:11-15
ISSN1006-8740
Abstract应用湍流马赫数修正的非稳态可压缩性K-ε-f-gr四方程湍流模型,模拟了半开口狭长管道中重复布置的障碍物引起的湍流火焰加速现象。结果表明,障碍物产生的扰动对加强燃烧和湍流输运的影响很大。随着火焰向前传播,火焰穿过障碍物时发生变形,反应区越来越长,且火焰速度逐渐上升。同时,火焰速度和管内压力的计算结果与实验测量值吻合良好,修正后的湍流模型能较真实地模拟障碍物管内预混火焰的发展过程。
Keyword湍流马赫数 湍流模型 障碍物管道 火焰加速
Subject Area力学
Indexed ByCSCD
Language中文
CSCD IDCSCD:1349454
Citation statistics
Cited Times:3[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/15852
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
余立新,孙文超,吴承康. 障碍物管道中湍流火焰发展的数值模拟[J]. 燃烧科学与技术,2003,9,1,:11-15.
APA 余立新,孙文超,&吴承康.(2003).障碍物管道中湍流火焰发展的数值模拟.燃烧科学与技术,9(1),11-15.
MLA 余立新,et al."障碍物管道中湍流火焰发展的数值模拟".燃烧科学与技术 9.1(2003):11-15.
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