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TECHNICAL BRIEFS

Coupled Liquid and Vapor Flow in Miniature Passages With Micro Grooves

[+] Author and Article Information
D. Khrustalev, A. Faghri

Department of Mechanical Engineering, University of Connecticut, Storrs, CT 06269

J. Heat Transfer 121(3), 729-733 (Aug 01, 1999) (5 pages) doi:10.1115/1.2826042 History: Online December 05, 2007

Abstract

Friction factor coefficients for liquid flow in a rectangular micro-groove coupled with the vapor flow in a vapor channel of a miniature two-phase device were calculated using finite element analysis. The results show that the effect of the vapor-liquid frictional interaction on the liquid flow decreases with curvature of the liquid-vapor interface. Shear stresses at the liquid-vapor interface are significantly nonuniform, decreasing towards the center of the liquid-vapor meniscus.

Copyright © 1999 by The American Society of Mechanical Engineers
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