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Examination of the LBM in simulation of microchannel flow in transitional regime
Shen Q(沈青); Tian DB(田东波); Xie C(谢翀); Fan J(樊菁)
Source PublicationInternational Conference on Microchannels and Minichannels
2003
Conference NameFirst International Conference on Microchannels and Minichannels
Conference DateApril 24, 2003 - April 25, 2003
Conference PlaceRochester, NY, United states
AbstractGas 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.
KeywordDirect Simulation Monte Carlo (Dsmc) Method Knudsen Number
WOS IDWOS:000222636600046
ISBN0791836673
Indexed ByCPCI-S ; EI
Language英语
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Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60323
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
Shen Q,Tian DB,Xie C,et al. Examination of the LBM in simulation of microchannel flow in transitional regime[C],2003.
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