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Title:
Examination of the LBM in simulation of microchannel flow in transitional regime
Author: Shen Q(沈青); Tian DB(田东波); Xie C(谢翀); Fan J(樊菁)
Issued Date: 2003
Conference Name: First International Conference on Microchannels and Minichannels
Conference Date: April 24, 2003 - April 25, 2003
Conference Place: Rochester, NY, United states
Abstract: Gas flows in micro-electro-mechanical systems (MEMS) owing to the small size of the systems possess a relatively large Knuden number and usually belong to the slip and transitional flow regimes. This paper employs three schemes, namely the direct simulation Monte Carlo (DSMC) method, information preservation (IP) method, and the lattice Boltzmann method (LBM), to simulation micro-channel flows at three Knudsen numbers (Kn) of 0.0194, 0.194 and 0.388. The present LBM results are in agreement with those given by Nie et al. (2002), whereas they significantly differ from the DSMC (and IP) results as Kn increases. This suggests that the present version of LBM is not feasible to simulate the micro-channel flows in transition regime.
Keyword: Direct simulation Monte Carlo (DSMC) method ; Knudsen number
Indexed Type: CPCI-S ; EI
Source: International Conference on Microchannels and Minichannels
Language: 英语
WOS ID: WOS:000222636600046
ISBN: 0791836673
Citation statistics:
Content Type: 会议论文
URI: http://dspace.imech.ac.cn/handle/311007/60323
Appears in Collections:力学所知识产出(1956-2008)_会议论文

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Recommended Citation:
Shen Q,Tian DB,Xie C,et al. Examination of the LBM in simulation of microchannel flow in transitional regime[C]. 见:First International Conference on Microchannels and Minichannels. Rochester, NY, United states. April 24, 2003 - April 25, 2003
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