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TECHNICAL PAPERS: Evaporation, Boiling, and Condensation

Bubble Behavior and Nucleate Boiling Heat Transfer in Saturated FC-72 Spray Cooling

[+] Author and Article Information
Daniel P. Rini, Ruey-Hung Chen, Louis C. Chow

Department of Mechanical, Materials and Aerospace Engineering, University of Central Florida, Orlando, FL 32816-2450

J. Heat Transfer 124(1), 63-72 (Jun 05, 2001) (10 pages) doi:10.1115/1.1418365 History: Received November 01, 2000; Revised June 05, 2001
Copyright © 2002 by ASME
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References

Figures

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Schematic of experimental setup
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Photo of the heater and heater pattern, with relevant dimensions
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Photo and legends of spray dimensions
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(a) Still image of a bubble from high-speed video; (b) enhanced image of the still image by using a Sobel filter technique
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Bubble size versus time for (a) 40 W/cm2 , (b) 50 W/cm2 , and (c) 60 W/cm2 . Note that the error bars denote one standard deviation and that the curves represent t1/2 scaling.
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Heat transfer curves for three heat fluxes. Note that the values of CHF are 67 W/cm2 , 70 W/cm2 , and 80 W/cm2 for N=2.1×106/cm2s,4.4×106/cm2s, and 8.2×106/cm2s, respectively.

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