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DSMC simulation of flows in multiple microchannel geometries

Title:

DSMC simulation of flows in multiple microchannel geometries

Le, Minmin (2006) DSMC simulation of flows in multiple microchannel geometries. Masters thesis, Concordia University.

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Abstract

The direct simulation Monte Carlo method was applied to simulate the flows in uniform, parallel, series, and T-shape microchannels. For the uniform microchannel case, both the supersonic and subsonic flows have been considered. The effect of the Knudsen number (Kn) on the flow properties and the heat transfer characteristics were investigated. Some significant flow features, such as the flow acceleration along the channel, the nonlinear pressure distribution, and the velocity slip near the wall, due to the compressibility and the rarefaction of the microflow were specified. Most of the wall heat flux occurs within the channel entrance region when the wall temperature is higher than the bulk flow temperature. Furthermore, in supersonic flow case, the wall heat flux is mainly caused by the deceleration of the flow due to the wall friction.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Mechanical and Industrial Engineering
Item Type:Thesis (Masters)
Authors:Le, Minmin
Pagination:xvii, 134 leaves : ill. ; 29 cm.
Institution:Concordia University
Degree Name:M.A. Sc.
Program:Mechanical and Industrial Engineering
Date:2006
Thesis Supervisor(s):Hassan, Ibrahim
Identification Number:LE 3 C66M43M 2006 L4
ID Code:8880
Deposited By: Concordia University Library
Deposited On:18 Aug 2011 18:38
Last Modified:13 Jul 2020 20:05
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