TECHNICAL PAPERS: Two-Phase Flow and Heat Transfer

A Natural Circulation Model of the Closed Loop, Two-Phase Thermosyphon for Electronics Cooling

[+] Author and Article Information
S. I. Haider, Yogendra K. Joshi

G. W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332

Wataru Nakayama

Therm Tech International, 920-7 Higashi Koiso, Oh-Iso Machi, Kanagawa 255-0004, Japan

J. Heat Transfer 124(5), 881-890 (Sep 11, 2002) (10 pages) doi:10.1115/1.1482404 History: Received August 28, 2001; Revised April 04, 2002; Online September 11, 2002
Copyright © 2002 by ASME
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Engineering Equation Solver (EES), F-Chart Software, www.fChart.com.


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Schematic of the experimental setup of the co-current, closed loop, two-phase thermosyphon
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Mass, momentum, and energy balance iterations in the thermosyphon model
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Available gravitational pressure head and loop mass flow rate
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Condenser inlet and outlet vapor qualities
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Latent and sensible contributions to the heat flux
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Condenser and evaporator overall void fractions
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Two-phase flow Reynolds numbers
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A comparison between the predicted and observed saturation temperatures



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