Empirical Evaluation of Convective Heat and Moisture Transport Coefficients in Porous Cotton Medium

[+] Author and Article Information
Kamel Ghali

Beirut Arab University, Faculty of Engineering, Beirut, Lebanone-mail: amro@aub.edu.lb

Nesreen Ghaddar

American University of Beirut, Faculty of Engineering and Architecture, P.O. Box 11-236, Riad ElSolh, Beirut 1107 2020, Lebanone-mail: farah@aub.edu.lb

Byron Jones

Kansas State University, College of Engineering, 148 Rathbone Hall, Manhattan, KS 66506-5202e-mail: jones@ksu.edu

J. Heat Transfer 124(3), 530-537 (May 10, 2002) (8 pages) doi:10.1115/1.1471524 History: Received February 07, 2001; Revised January 25, 2002; Online May 10, 2002
Copyright © 2002 by ASME
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A cylindrical representation of the two-node model as cross flow over cylinders
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A schematic of the experimental setup and the Styrofoam box
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The average regain relative error at the flow rates per unit area of 0.0067, 0.018, and 0.045 m3 /sec.m2 for different values of Hco at icl=0.4 and γ=0.6
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A plot of the predicted total regain and the measured regain as a function of time at different flow rates.
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(a) The predicted regain at optimal Hco,0.8Hco, and 1.2Hco at the flow rates of 0.0067, 0.018, and 0.045 m3 /sec.m2
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The predicted inner and outer node temperatures and the measured fabric temperatures as a function of time at the flow rates of (a) 0.0067 m3 /sec.m2 , (b) 0.018 m3 /sec.m2 , and (c) 0.045 m3 /sec.m2
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Plot of the heat transfer coefficients obtained from the experimental model and from the cross flow model at Do/tf=0.5




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