Coupled Liquid and Vapor Flow in Miniature Passages With Micro Grooves

Author:

Khrustalev D.1,Faghri A.1

Affiliation:

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

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.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference17 articles.

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2. Faghri, A., 1995, Heat Pipe Science and Technology, Taylor & Francis, London.

3. Fisher L. , and MartinH., 1997, “Friction Factors for Fully Developed Laminar Flow in Ducts Confined by Corrugated Parallel Walls,” Int. J. Heat and Mass Transfer, Vol. 40, pp. 635–639.

4. Hopkins, R., 1996, “Flat Miniature Heat Sinks and Heat Pipes with Micro Capillary Grooves: Manufacturing, Modeling and Experimental Study,” Masters thesis, The University of Connecticut, Storrs, CT.

5. Hopkins, R., Faghri, A., and Khrustalev, D., 1997, “Flat Miniature Heat Pipes with Micro Capillary Grooves,” Proc. of the 1997 National Heat Transfer Conference, HTD-Vol. 349, Vol. 11, pp. 71–80.

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