Loop Heat Pipe (LHP) development by utilizing coherent porous silicon (CPS) wicks

Mohammed Hamdan, Debra Cytrynowicz, Praveen Medis, Ahmed Shuja, Frank M. Gerner, H. T. Henderson, Eric Golliher, Ken Mellott, Chris Moore

Research output: Contribution to conferencePaperpeer-review

16 Citations (Scopus)

Abstract

This paper introduces a theoretical model for a Loop Heat Pipe (LHP) utilizing a coherent porous silicon (CPS) wick. The paper investigates the effects of different parameters on the performance of the LHP such as evaporator temperature, condenser temperature, total mass charge, wick thickness, porosity, and pore size. A LHP is a two-phase device with extremely high effective thermal conductivity that uses capillary forces developed inside its wicked evaporator to pump a working fluid through a closed loop. The loop heat pipe is developed to efficiently transport heat that is generated by a highly localized concentrated heat source and then to discharge this heat to a convenient sink. This device is urgently needed to cool electronic components, especially in space applications. The LHP has been modeled utilizing the conservation equations and thermodynamic cycle. The loop heat pipe cycle is presented on a T-s diagram. A direct relation is developed between the ratio of heat going for evaporation as well as heat leaking to the compensation chamber.

Original languageEnglish
Pages457-465
Number of pages9
Publication statusPublished - Jan 1 2002
Event8th Intersociety Conference on Thermal and Thermommechanical phenomena in Electronic Systems - San Diego, CA, United States
Duration: May 30 2002Jun 1 2002

Other

Other8th Intersociety Conference on Thermal and Thermommechanical phenomena in Electronic Systems
Country/TerritoryUnited States
CitySan Diego, CA
Period5/30/026/1/02

Keywords

  • Capillary pressure
  • Coherent Porous Silicon
  • CPS
  • Interface oscillation
  • LHP
  • Loop Heat Pipe

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

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