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TECHNICAL PAPERS: Heat Pipes

A Semi-Analytical Model to Predict the Capillary Limit of Heated Inclined Triangular Capillary Grooves

[+] Author and Article Information
Ivan Catton, Gustave R. Stroes

Mechanical, Aerospace, and Nuclear Engineering Department, University Of California, Los Angeles, Los Angeles, CA 90095

J. Heat Transfer 124(1), 162-168 (Feb 01, 2001) (7 pages) doi:10.1115/1.1404119 History: Received March 21, 2000; Revised February 01, 2001
Copyright © 2002 by ASME
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References

Stephan,  P. C., and Busse,  C. A., 1992, “Analysis of the Heat Transfer Coefficient of Grooved Heat Pipe Evaporator Walls,” Int. J. Heat Mass Transf., 35, No. 2, pp. 383–391.
Xu,  X., and Carey,  V. P., 1990, “Film Evaporation from a Micro-Grooved Surface; An Approximate Heat Transfer Model and Its Comparison with Experimental Data,” J. Thermophys. Heat Transfer, 4, No. 4, pp. 512–520.
Ha, J. M., and Peterson, G. P., 1995, “Interline Heat Transfer of Evaporating Thin Films Along a Micro Grooved Surface,” Proceedings of the 1995 ASME International Mechanical Engineering Congress and Exposition, San Francisco, USA, ASME Paper no. 95-WA/HT-20.
Ha,  J. M., and Peterson,  G. P., 1994, “Analytical Prediction of the Axial Dryout Point for Evaporating Liquids in Triangular Microgrooves,” ASME J. Heat Transfer, 116, pp. 498–503.
Ayyaswamy,  P. S., Catton,  I., and Edwards,  D. K., 1974, “Capillary Flow in Triangular Grooves,” ASME J. Appl. Mech., 41, No. 2, pp. 332–336.
Catton and Edwards, 1974.
Stroes, G., 1997, “An Experimental and Analytical Investigation of the Wetted Length Supported in Inclined Capillary Grooves Heated from Below,” PhD thesis, UCLA, Los Angeles, CA.
Stroes, G. R., and Catton, I., 1995, “An Experimental Study of the Heat Removal Capabilities of Triangular Versus Rectangular Capillary Channels,” Proceedings of the ASME/JSME Thermal Engineering Joint Conference, May 20–25, Maui, Vol. 1, pp. 519–522.

Figures

Grahic Jump Location
Orientation of liquid in a triangular channel
Grahic Jump Location
(a) Radius of curvature and liquid height; and (b) liquid accommodation
Grahic Jump Location
Accommodation of liquid surface in a triangular channel
Grahic Jump Location
Accommodation length in a triangular channel
Grahic Jump Location
The effect of power on wetted length: ethanol in a grove tilted at 4 deg
Grahic Jump Location
The effect of power on wetted length; ethanol in a groove tilted at 6 deg
Grahic Jump Location
(a) Triangular groove capillary limits; and (b) triangular groove cappilary limits

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