Knowledge Management System of Institue of Mechanics, CAS
Statistical simulation of micro-cavity flows | |
Jiang JZ(蒋建政); Fan J(樊菁); Shen Q(沈青); Jiang, JZ (reprint author), Chinese Acad Sci, Inst Mech, High Temp Gasdynam Lab, Beijing 100080, Peoples R China. | |
会议录名称 | RAREFIED GAS DYNAMICS |
2003 | |
会议名称 | 23rd International Symposium on Rarefied Gas Dynamics |
会议日期 | JUL 20-25, 2002 |
会议地点 | WHISTLER, CANADA |
摘要 | Two particle approaches, namely the information preservation (IP) method and the direct simulation Monte Carlo (DSMC) method, are used to simulate micro-cavity gas flows at low Mach numbers. In the continuum regime, the velocity profiles given by the IP and DSMC methods agree well with the Navier-Stokes solution of Ghia and the BGK solution of Su et al. The IP and DSMC results are in a satisfactory agreement at the Knudsen number (Kn) of 0.1, and agree on the whole with each other but slightly differ from each other in certain details at Kn of 1.0. This small difference results from the strong singularity at the angle points that affects a larger and larger region as Kn increases. At very small Mach number the statistical scatter inherent in the DSMC method becomes serious, whereas the IP method still works well to obtain the flow fields and surface pressure distributions at a normal sample size. |
WOS记录号 | WOS:000183372100097 |
ISBN号 | 0-7354-0124-1 |
收录类别 | CPCI-S |
语种 | 英语 |
引用统计 | |
文献类型 | 会议论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/58934 |
专题 | 力学所知识产出(1956-2008) |
通讯作者 | Jiang, JZ (reprint author), Chinese Acad Sci, Inst Mech, High Temp Gasdynam Lab, Beijing 100080, Peoples R China. |
推荐引用方式 GB/T 7714 | Jiang JZ,Fan J,Shen Q,et al. Statistical simulation of micro-cavity flows[C]RAREFIED GAS DYNAMICS,2003. |
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