A study of pool boiling at atmospheric pressure from single-layered enhanced structures was conducted for a dielectric fluorocarbon liquid (PF 5060). The parameters investigated in this study were: (a) Heat flux ; (b) width of the microchannels ; and (c) microchannel pitch . The boiling performance of the enhanced structures was found to increase with the increase in channel width and decrease in channel pitch. A simple single line curve fit is provided as a practical way of predicting the data over the entire nucleate boiling regime. The exponent in the single line power curve fit was found to be between 1 and 2. The modes of boiling from an enhanced structure proposed by previous researchers were unable to explain the boiling curves obtained in this study. The present data are explained in light of the contribution from the top finned surface of the enhanced structure.
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Research Papers
Boiling Performance of Single-Layered Enhanced Structures
Camil-Daniel Ghiu,
Camil-Daniel Ghiu
G. W. Woodruff School of Mechanical Engineering,
Georgia Institute of Technology
, Atlanta, Georgia 30332
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Yogendra K. Joshi
Yogendra K. Joshi
G. W. Woodruff School of Mechanical Engineering,
e-mail: yogendra.joshi@me.gatech.edu
Georgia Institute of Technology
, Atlanta, Georgia 30332
Search for other works by this author on:
Camil-Daniel Ghiu
G. W. Woodruff School of Mechanical Engineering,
Georgia Institute of Technology
, Atlanta, Georgia 30332
Yogendra K. Joshi
G. W. Woodruff School of Mechanical Engineering,
Georgia Institute of Technology
, Atlanta, Georgia 30332e-mail: yogendra.joshi@me.gatech.edu
J. Heat Transfer. Jul 2005, 127(7): 675-683 (9 pages)
Published Online: February 2, 2005
Article history
Received:
May 4, 2004
Revised:
February 2, 2005
Citation
Ghiu, C., and Joshi, Y. K. (February 2, 2005). "Boiling Performance of Single-Layered Enhanced Structures." ASME. J. Heat Transfer. July 2005; 127(7): 675–683. https://doi.org/10.1115/1.1924568
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