Pressure-Driven Gas Flows in Micro Channels with a Slip Boundary:A Numerical Investigation

查看全文 作　　者：[1]A.Aissa;[2]M.E.A.Slimani;F.Mebarek-[3]Oudina;[1]R.Fares;[1]A.Zaim;[4,5]L.Kolsi;[1]M.Sahnoun;[6]M.E.Ganaoui

机构地区：[1]Laboratoire de Physique Quantique de la Matière et Modélisation Mathématique(LPQ3M),University of Mascara,Mascara,Algeria;[2]Department of Energetic and Fluid Mechanics,University of Science and Technology Houari Boumediene,Algiers,16111,Algeria;[3]Depatment of Physics,Faculty of Sciences,University of 20 août 1955-Skikda,Skikda,Algeria;[4]Mechanical Engineering Department,College of Engineering,Haïl University,Haïl,2240,Saudi Arabia;[5]Laboratory of Metrology and Energy Systems,University of Monastir,Monastir,5000,Tunisia;[6]LERMAB,IUT Longwy,Universitéde Lorraine,Cosnes et Romain,54400,France

出　　处：《Fluid Dynamics & Materials Processing》索引2020年第16卷第2期,共13页

摘　　要：In this paper,flow of slightly rarefied compressible nitrogen in microchannels has been investigated numerically for low values of Reynolds and Mach numbers.The 2D governing equations were solved using Finite Element Method with first-order slip boundary conditions(Comsol Multiphysics software).A validation was performed by comparing with similar configuration from the literature.It was found that our model can accurately predict the pressure driven flow in microchannels.Several interesting findings are reported about the Relative pressure,longitudinal velocity,Mach number,effect of gas rarefaction and flow rate. 关键词：Pressure driven slip flow microchannels gas flow rarefactioneffect

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Pressure-Driven Gas Flows in Micro Channels with a Slip Boundary:A Numerical Investigation

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