IMECH-IR  > 力学所知识产出(1956-2008)
A strict kinetic solution of the finite length microchannel flow problem
Shen Q(沈青); Shen, C (reprint author), Chinese Acad Sci, Inst Mech, High Temp Gas Dynam Lab, Beijing 100864, Peoples R China.
Source PublicationICMM 2005, Proceedings of the 3rd International Conference on Microchannels and Minichannels, Pt A
2005
Conference Name3rd International Conference on Microchannels and Minichannels
Conference DateJUN 13-15, 2005
Conference PlaceUniv Toronto, Toronto, CANADA
AbstractIn finite length tube or channel gas flow the pressure gradient is determined by the global mass conservation law. In the continuum and slip flow the pressure distribution determined by the global mass conservation is given analytically. In the transitional flow regime an equation containing the flow rate of the Poiseuille flow solved by the strict kinetic theory is obtained and is shown to be the degenerated Reynolds equation for the lubrication theory. The integration of the equation is illustrated in the case of full diffuse reflection of the channel wall. The pressure distribution thus obtained is shown to be in excellent agreement with experimental data of long microchannels and the simulation results of the information preservation method. The results as having the strict kinetic theoretical merit are used to confirm the unfeasibility of the Lattice Boltzmann method in the transitional flow regime.
WOS IDWOS:000243025300041
ISBN0-7918-4185-5
Indexed ByCPCI-S
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58851
Collection力学所知识产出(1956-2008)
Corresponding AuthorShen, C (reprint author), Chinese Acad Sci, Inst Mech, High Temp Gas Dynam Lab, Beijing 100864, Peoples R China.
Recommended Citation
GB/T 7714
Shen Q,Shen, C . A strict kinetic solution of the finite length microchannel flow problem[C]. NEW YORK, THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA:AMER SOC MECHANICAL ENGINEERS,2005.
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