Rayleigh-Bénard热对流的动理论分析

IMECH-IR > 力学所知识产出(1956-2008)

	Rayleigh-Bénard热对流的动理论分析
	张俊; 樊菁
Source Publication	科学通报
	2008-09-23
Volume	53 Issue:18 Pages:2176-2180
ISSN	0023-074X
Abstract	利用基于分子动理论的直接模拟Monte Carlo(DSMC)方法,研究了 Rayleigh-Bènard问题.计算中,上下平板表面温度之比固定为0.1.Kn=0.01时,随着Ra数的增大,大约在1700附近,流动从热传导状态转变为热对流状态,DSMC计算得到的下平板热流与Ra数的关系与经典实验和理论结果相符.Kn=0.05时,流动保持稳定的热传导状态,Ra数的增大并不能引发热对流现象.
Keyword	Rayleigh-bènard问题热对流临界rayleigh数稀薄气体效应 Dsmc方法
Indexed By	CSCD
Language	中文
CSCD ID	CSCD:3494621
Citation statistics
Document Type	期刊论文
Identifier	http://dspace.imech.ac.cn/handle/311007/40086
Collection	力学所知识产出(1956-2008)
Corresponding Author	张俊
Recommended Citation GB/T 7714	张俊,樊菁. Rayleigh-Bénard热对流的动理论分析[J]. 科学通报,2008,53,18,:2176-2180.
APA	张俊,&樊菁.(2008).Rayleigh-Bénard热对流的动理论分析.科学通报,53(18),2176-2180.
MLA	张俊,et al."Rayleigh-Bénard热对流的动理论分析".科学通报 53.18(2008):2176-2180.

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