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RESEARCH PAPER

Two-Phase Flow and Heat Transfer in Rectangular Micro-Channels

[+] Author and Article Information
Weilin Qu, Seok-Mann Yoon, Issam Mudawar

Purdue University International Electronic Cooling Alliance (PUIECA), Boiling and Two-Phase Flow Laboratory, School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907

J. Electron. Packag 126(3), 288-300 (Oct 06, 2004) (13 pages) doi:10.1115/1.1756589 History: Received December 01, 2003; Online October 06, 2004
Copyright © 2004 by ASME
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References

Figures

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Flow loop for adiabatic micro-channel two-phase flow study
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(a) Test module for adiabatic micro-channel two-phase flow study, and (b) mixer construction
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Photographs and schematics of adiabatic micro-channel two-phase flow patterns: (a) slug flow, (b) annular flow, (c) bubble/slug flow, (d) liquid/slug flow, and (e) liquid/annular flow
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Adiabatic micro-channel two-phase flow pattern map
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Comparison of present flow pattern map with macro-channel maps and model predictions of (a) Mandhane et al. 19, (b) Taitel and Dukler 20, and (c) Weisman et al. 21
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Comparison of present flow pattern map with mini/micro-channel maps of (a) Wambsganss et al. 13, (b) Ali and Kawaji 14, (c) Mishima et al. 15, (d) Wilmarth and Ishii 16, (e) Fujita et al. 17, and (f ) Xu et al. 18
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Idealized annular flow region in two-phase micro-channel heat sink
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Momentum conservation for control volumes encompassing (a) liquid film and (b) vapor core 10
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Test module for two-phase micro-channel heat sink study
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(a) Comparison of predictions of annular flow model as well as popular macro-channel models and correlations with present pressure drop data for Tin=30°C and G=400 kg/m2s. (b) Comparison of annular flow model predictions with all present pressure drop data
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(a) Comparison of predictions of annular flow model as well as popular macro-channel correlations with present saturated flow boiling heat transfer coefficient data for Tin=30°C and G=400 kg/m2s. (b) Comparison of annular flow model predictions with all present saturated flow boiling heat transfer coefficient data

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