0
TECHNICAL PAPERS

Numerical Investigation of the Steady-State Operation of a Cylindrical Capillary Pumped Loop Evaporator

[+] Author and Article Information
Y. H. Yan, J. M. Ochterbeck

Department of Mechanical Engineering, Clemson University, Clemson, SC 29634

J. Electron. Packag 125(2), 251-260 (Jun 10, 2003) (10 pages) doi:10.1115/1.1569509 History: Received October 12, 2001; Online June 10, 2003
Copyright © 2003 by ASME
Your Session has timed out. Please sign back in to continue.

References

Ku, J., 1993, “Overview of Capillary Pumped Loop Technology,” ASME HTD-Vol. 236, Heat Pipes and Capillary Pumped Loops, pp. 1–17.
Maidanik, Yu. F., 1999, “State-of-the-art of CPL and LHP technology,” Heat Pipe Science and Technology, Proc., 11th Int. Heat Pipe Conference, Tokyo, pp. 19–30.
Li, T., and Ochterbeck, J. M., 1999, “Effects of Wick Thermal Conductivity on Startup of Capillary Pumped Loop Evaporator,” AIAA Pap., No. 99-3446, 33rd Thermophysics Conference, Norfolk, VA, June 28–30.
Long, J. B., Ochterbeck, J. M., and Wrenn, K., 2001 “Alternate Working Fluids for Loop Heat Pipes,” 12th Spacecraft Thermal Control Workshop, El Segundo, CA, February 28–March 2.
Kiper, A., Feric, G., Anjum, M., and Swanson, T. D., 1990, “Transient Analysis of a Capillary Pumped Loop Heat,” AIAA Pap., No. 90-1685, AIAA/ASME 5th Joint Thermophysics and Heat Transfer Conference, Seattle, WA, June 18–20.
Ku, J., Swanson, T., Herold, K., and Kolos K., 1993, “Flow Visualization within a Capillary Evaporator,” 23th Int. Conference on Environmental Systems, Colorado Springs, CO, July 12–15.
Cao,  Y., and Faghri,  A., 1994a, “Analytical Solutions of Flow and Heat Transfer in a Porous Structure with Partial Heating and Evaporation on the Upper Surface,” Int. J. Heat Mass Transf., 36(10), pp. 1525–1533.
Cao,  Y., and Faghri,  A., 1994b, “Conjugate Analysis of a Flat-Plate Type Evaporator for Capillary Pumped Loop with Three-Dimensional Vapor Flow in the Groove,” Int. J. Heat Mass Transf., 37(3), pp. 401–409.
Figus, C., Bories, S., and Prat, M., 1996, “Investigation and Analysis of a Porous Evaporator for a Capillary Pump Loop,” ESDA Proc., 1996 Engineering Systems Design and Analysis Conference, Vol. 78, pp. 99–106.
Bear, J., 1972, Dynamics of Fluids in Porous Media, Elsevier, NY.
Wang,  C. Y., and Beckermann,  C., 1993, “A Two-Phase Mixture Model of Liquid-Gas Flow and Heat Transfer in Capillary Porous Media—I. Formulation,” Int. J. Heat Mass Transf., 36(11), pp. 2747–2758.
Udell,  K. S., 1985, “Heat Transfer in Porous Media Considering Phase Change and Capillarity—the Heat Pipe Effect,” Int. J. Heat Mass Transf., 28(2), pp. 485–495.
Ramesh,  P. S., and Torrance,  K. E., 1990, “Numerical Algorithm for Problems Involving Boiling and Natural Convection in Porous Materials,” Numer. Heat Transfer, Part B, 17, pp. 1–24.
Dickey,  J. T., and Peterson,  G. P., 1997, “Thermal Characterization of Two-Phase Heat Transfer in Porous Materials: An Experimentally Confirmed Method in Non-Dimensionalized Form,” Microelectromechanical Systems, 354, pp. 221–230.
Wang,  C. Y., and Beckermann,  C., 1993, “A Two-Phase Mixture Model of Liquid-Gas Flow and Heat Transfer in Capillary Porous Media—II. Application to Pressure-Driven Boiling Flow Adjacent to A Vertical Heated Plate,” Int. J. Heat Mass Transf., 36(11), pp. 2759–2768.
Peterson, G. P., and Chang, C. S., 1996, “Heat Transfer Analysis and Evaluation for Two-Phase Flow in Porous-Channel Heat Sinks,” Proc., ASME Heat Transfer Conference, Vol. 3, pp. 261–269.
Peterson,  G. P., and Chang,  C. S., 1998, “Two-Phase Heat Dissipation Utilizing Porous-Channels of High-Conductivity Material,” ASME J. Heat Transfer, 120, pp. 243–252.
Kawashima,  H., Kuwahara,  F., and Nakayama,  A., 1999, “Similarity Solutions for Pressure-Driven Boiling Flows in Capillary Porous Media,” Inter. Communications Heat Mass Transfer, 26(3), pp. 319–327.
Dickey, J. T., 1996, Investigation of Liquid-Vapor Flow and Heat Transfer in Porous Media, Ph.D. dissertation, Texas A&M University.
Wang,  C. Y., Beckermann,  C., and Fan,  C., 1994, “Numerical Study of Boiling and Natural Convection in Capillary Porous Media Using the Two-Phase Mixture Model,” Numer. Heat Transfer, Part A, 26, pp. 375–398.
Udell,  K. S., 1983, “Heat Transfer in Porous Media Heated from Above with Evaporation, Condensation, and Capillary Effects,” ASME J. Heat Transfer, 105(2), pp. 485–492.
Patankar, S., 1980, Numerical Heat Transfer and Fluid Flow, McGraw-Hill, New York, NY.

Figures

Grahic Jump Location
Volumetric enthalpy in the wick structure (q=30 kW/m2,ΔTsub=5 K,keff=10 W/mK)
Grahic Jump Location
Liquid saturation in the wick structure (q=30 W/m2,ΔTsub=5 K,keff=10 W/mK)
Grahic Jump Location
Pressure field in the wick structure (q=30 kW/m2,ΔTsub=5 K,keff=10 W/mK)
Grahic Jump Location
Mixture velocity in the wick structure (q=30 kW/m2,ΔTsub=5 K,keff=10 W/mK)
Grahic Jump Location
Liquid velocity in the wick structure (q=30 kW/m2,ΔTsub=5 K,keff=10 W/mK)
Grahic Jump Location
Vapor velocity in the wick structure (q=30 kW/m2,ΔTsub=5 K,keff=10 W/mK)
Grahic Jump Location
Influence of heat flux on the temperature in the liquid core (keff=10 W/mK,ΔTsub=5 K)
Grahic Jump Location
Influence of heat flux on the liquid saturation in the wick structure (keff=10 W/mK,ΔTsub=5 K)
Grahic Jump Location
Influence of heat flux on the pressure drop in the wick structure (keff=10 W/mK,ΔTsub=5 K)
Grahic Jump Location
Influence of ΔTsub on the temperature in the liquid core (q=30 kW/m2,keff=10 W/mK)
Grahic Jump Location
Influence of ΔTsub on liquid saturation in wick structure (q=30 kW/m2,keff=10 W/mK)
Grahic Jump Location
Influence of ΔTsub on the pressure in the wick structure (q=30 kW/m2,keff=10 W/mK)
Grahic Jump Location
Influence of effective thermal conductivity on the liquid core temperature (q=30 kW/m2,ΔTsub=5 K)
Grahic Jump Location
Influence of keff on the liquid saturation in the wick structure (q=30 kW/m2,ΔTsub=5 K)
Grahic Jump Location
Influence of keff on the pressure in the wick structure (q=30 kW/m2,ΔTsub=5 K)
Grahic Jump Location
(a) Computational domain and (b) coordinate system for the cylindrical evaporator
Grahic Jump Location
Velocity field for flow in the liquid channel (q=30 kW/m2,ΔTsub=5 K,keff=10 W/mK)
Grahic Jump Location
Temperature distribution in the liquid channel (q=30 kW/m2,ΔTsub=5 K,keff=10 W/mK)

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In