NDLI: Thermal Gradient Driven Flow

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Me´olans, J. Gilbert Irina, A. Graur
Copyright Year	2007
Abstract	A thermal creep process is studied in a wide rectangular micro channel considered as two infinite parallel plates. The inlet and outlet reservoirs are kept at the same constant pressure. A constant temperature gradient exists along the walls of the channel joining the two tanks. Thus a gas flow is induced and thermally sustained until steady conditions are reached. A complete steady analytical solution is derived in slip regime for Knudsen numbers smaller than 0.25. The analytical results are in good agreement with the numerical “exact” solution of the continuum equations system. Furthermore our continuum approach results are compared to those deduced from the approaches based on the Boltzmann equation model treatments: these various methods lead generally to a satisfactory agreement between their respective mean parameters. Nevertheless significant differences appear on the transversal velocity profiles in the close vicinity of the wall.
Sponsorship	Nanotechnology Institute
Starting Page	331
Ending Page	336
Page Count	6
File Format	PDF
ISBN	079184272X
DOI	10.1115/ICNMM2007-30042
e-ISBN	0791838005
Volume Number	ASME 5th International Conference on Nanochannels, Microchannels, and Minichannels
Conference Proceedings	ASME 2007 5th International Conference on Nanochannels, Microchannels, and Minichannels
Language	English
Publisher Date	2007-06-18
Publisher Place	Puebla, Mexico
Access Restriction	Subscribed
Subject Keyword	Creep Gas flow Plates (structures) Reservoirs Joining Flow (dynamics) Pressure Temperature gradient Microchannels
Content Type	Text
Resource Type	Article

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