An experimental program was conducted to investigate the rewetting characteristics of liquid flowing through multiple layers of screen mesh covering a heated vertical plate. Data obtained for acetone and R-11 were analyzed and compared with previously developed theoretical expressions for the rewetting velocity, the maximum liquid rise height, and the maximum heat flux for which rewetting could occur. The experimental results indicate that the thickness of the screen mesh layer and the liquid thermophysical properties are the most important factors affecting the rewetting behavior. As predicted by the theoretical model, small increases in the thickness of the screen layer initially caused the maximum permissible rewetting heat flux to increase. Once the layer thickness had reached a critical value, continued increases resulted in a decrease in the maximum permissible rewetting heat flux.
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March 1993
Research Papers
Experimental Investigation of Capillary-Induced Rewetting in a Flat Porous Wicking Structure
G. P. Peterson,
G. P. Peterson
Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123
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X. F. Peng
X. F. Peng
Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123
Search for other works by this author on:
G. P. Peterson
Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123
X. F. Peng
Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123
J. Energy Resour. Technol. Mar 1993, 115(1): 62-69 (8 pages)
Published Online: March 1, 1993
Article history
Received:
September 23, 1991
Revised:
May 19, 1992
Online:
April 16, 2008
Citation
Peterson, G. P., and Peng, X. F. (March 1, 1993). "Experimental Investigation of Capillary-Induced Rewetting in a Flat Porous Wicking Structure." ASME. J. Energy Resour. Technol. March 1993; 115(1): 62–69. https://doi.org/10.1115/1.2905971
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