The heat fluxes from electronic components are steadily increasing and have now, in some applications, reached levels where air-cooling is no longer sufficient. One alternative solution, which has received much attention during the last decade, is to use heat pipes or thermosyphons for transferring or spreading the dissipated heat. In this paper two-phase thermosyphon loops are discussed. Especially, the choice of fluid and its influence on the design and performance is treated. The discussion is supported by results from simulations concerning heat transfer and pressure drop. In general it is found that high-pressure fluids will give better performance and more compact designs as high-pressure results in higher boiling heat transfer coefficients and smaller necessary tube diameter.
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June 2003
Additional Technical Papers
Choosing Working Fluid for Two-Phase Thermosyphon Systems for Cooling of Electronics
Bjo¨rn Palm, Mem. ASME,
Bjo¨rn Palm, Mem. ASME
Royal Institute of Technology, Department of Energy Technology, Stockholm, Sweden
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Rahmatollah Khodabandeh
Rahmatollah Khodabandeh
Royal Institute of Technology, Department of Energy Technology, Stockholm, Sweden
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Bjo¨rn Palm, Mem. ASME
Royal Institute of Technology, Department of Energy Technology, Stockholm, Sweden
Rahmatollah Khodabandeh
Royal Institute of Technology, Department of Energy Technology, Stockholm, Sweden
Contributed by the Electronic and Photonic Packaging Division for publication in the JOURNAL OF ELECTRONIC PACKAGING. Manuscript received by the EPPD Division February 26, 2000; revised manuscript received May 17, 2002. Associate Editor: R. R. Schmidt.
J. Electron. Packag. Jun 2003, 125(2): 276-281 (6 pages)
Published Online: June 10, 2003
Article history
Received:
February 26, 2000
Revised:
May 17, 2002
Online:
June 10, 2003
Citation
Palm, B., and Khodabandeh, R. (June 10, 2003). "Choosing Working Fluid for Two-Phase Thermosyphon Systems for Cooling of Electronics ." ASME. J. Electron. Packag. June 2003; 125(2): 276–281. https://doi.org/10.1115/1.1571570
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