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TECHNICAL PAPERS: Radiative Transfer

The Effect of Working Fluid Inventory on the Performance of Revolving Helically Grooved Heat Pipes

[+] Author and Article Information
R. Michael Castle, Scott K. Thomas

Department of Mechanical and Materials Engineering, Wright State University, Dayton, OH 45435

Kirk L. Yerkes

Air Force Research Laboratory (PRPG) Wright-Patterson AFB, OH 45433-7251

J. Heat Transfer 123(1), 120-129 (Sep 27, 2000) (10 pages) doi:10.1115/1.1339982 History: Received April 21, 2000; Revised September 27, 2000
Copyright © 2001 by ASME
Topics: Fluids , Heat pipes
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References

Klasing,  K., Thomas,  S., and Yerkes,  K., 1999, “Prediction of the Operating Limits of Revolving Helically Grooved Heat Pipes,” ASME J. Heat Transfer, 121, pp. 213–217.
Thomas,  S., Klasing,  K., and Yerkes,  K., 1998, “The Effects of Transverse Acceleration Induced Body Forces on the Capillary Limit of Helically-Grooved Heat Pipes,” ASME J. Heat Transfer, 120, pp. 441–451.
Brennan, P., Kroliczek, E., Jen, H., and McIntosh, R., 1977, “Axially Grooved Heat Pipes,” AIAA 12th Thermophysics Conf., Paper No. 77-747.
Vasiliev, L., Grakovich, L., and Khrustalev, D., 1981, “Low-Temperature Axially Grooved Heat Pipes,” Proc. 4th Int. Heat Pipe Conf., London, pp. 337–348.
Faghri, A., 1995, Heat Pipe Science and Technology, Taylor and Francis, Washington, D.C.
Castle, R., 1999, “The Effect of Working Fluid Inventory on the Performance of Revolving Helically Grooved Heat Pipes,” Masters thesis, Wright State University, Dayton, OH.
Miller, R., 1989, Flow Measurement Engineering Handbook, 2nd ed., McGraw-Hill, New York.
Peterson, G., 1994, An Introduction to Heat Pipes: Modeling, Testing, and Applications, Wiley, New York.
Lide, D., and Kehiaian, H., 1994, CRC Handbook of Thermophysical and Thermochemical Data, CRC Press, Boca Raton, FL.
Carey, V., 1992, Liquid-Vapor Phase-Change Phenomena, Hemisphere, Washington, D.C.
Schlunder, E., 1983, Heat Exchanger Design Handbook, Hemisphere, Washington, D.C.
Ivanovskii, M., Sorokin, V., and Yagodkin, I., 1982, The Physical Principles of Heat Pipes, Clarendon, Oxford.
Vargaftik, N., 1975, Handbook of Physical Properties of Liquids and Gases, Hemisphere, Washington, D.C.
Timmermans, J., 1950, Physico-Chemical Constants of Pure Organic Compounds, Elsevier, New York.
TRC, 1983, TRC Thermodynamic Tables—Non-Hydrocarbons, Thermodynamic Research Center: The Texas A & M University System, College Station, TX (loose-leaf data sheets).
Dunn, P., and Reay, D., 1978, Heat Pipes, Pergamon, Oxford.
ASHRAE, 1977, Handbook of Fundamentals, American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., Atlanta, GA.

Figures

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Helical groove geometry
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Schematic of the helical pitch measurement technique: (a) major components; (b) cross-sectional view of sprung pin engaging a helical groove
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Specific volume of ethanol versus temperature: (a) saturated liquid; (b) saturated vapor
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Schematic of the heat pipe filling station
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Thermocouple locations and relevant lengths
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Steady-state temperature distributions for |a⃗r|=0.01-g,G=1.0: (a) inboard; (b) outboard; (c) top; and (d) bottom
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Thermal resistance versus heat transport: (a) G=0.5; (b) G=1.0; and (c) G=1.5
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Capillary limit versus radial acceleration comparison of present model and Thomas et al. 2
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Comparison of present model and experimental capillary limit data versus radial acceleration: (a) G=0.5; (b) G=1.0; and (c) G=1.5
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Temperatures within the evaporator section versus transported heat for |a⃗r|=0.01-g: (a) x=54.0 mm; (b) x=92.1 mm; (c) x=130 mm; and (d) x=168 mm
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Temperatures within the evaporator section versus transported heat for |a⃗r|=10.0-g: (a) x=54.0 mm; (b) x=92.1 mm; (c) x=130 mm; and (d) x=168 mm
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Heat transfer coefficients within the evaporator section versus transported heat for |a⃗r|=0.01-g: (a) x=54.0 mm; (b) x=92.1 mm; (c) x=130 mm; and (d) x=168 mm
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Heat transfer coefficients within the evaporator section versus transported heat for |a⃗r|=10.0-g: (a) x=54.0 mm; (b) x=92.1 mm; (c) x=130 mm; and (d) x=168 mm
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Ratio of liquid volume to total groove volume versus saturation temperature

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