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TECHNICAL PAPERS: Extended Surfaces

Performance of Rectangular Fin in Wet Conditions: Visualization and Wet Fin Efficiency

[+] Author and Article Information
Yur-Tsai Lin, Kuei-Chang Hsu

Department of Mechanical Engineering, Yuan-Ze University, Taoyuan, Taiwan

Yu-Juei Chang, Chi-Chuan Wang

Energy & Resources Laboratories, Industrial Technology Research Institute, Hsinchu, 310, Taiwan

J. Heat Transfer 123(5), 827-836 (Apr 02, 2001) (10 pages) doi:10.1115/1.1391275 History: Received June 26, 2000; Revised April 02, 2001
Copyright © 2001 by ASME
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References

Figures

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(a) Variation of dimensionless temperature for TDB,in=27°C,RHin=50 percent; (b) variation of dimensionless temperature for TDB,in=27°C,RHin=70 percent; and (c) variation of dimensionless temperature for TDB,in=27°C,RHin=90 percent.
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Effect of the dry bulb temperature on the dry and wet fin efficiency
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Effect of relative humidity on the dry and fully wet fin efficiency
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Effect of inlet relative humidity on the partially wet surface
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Effect of fin base temperature on the fully wet efficiency
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(a) Droplet formation on a fin with RHin=50 percent,TDB,in=27°C,Fs=3 mm,Tfb=9°C; (b) droplet formation on a fin with RHin=70 percent,TDB,in=27°C,Fs=3 mm,Tfb=9°C; and (c) droplet formation on a fin with RHin=90 percent,TDB,in=27°C,Fs=3 mm,Tfb=9°C.
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Enlarged view of the test section
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Schematic of experimental setup

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