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热管科学与技术

每年出版 4 

ISSN 打印: 2151-7975

ISSN 在线: 2151-7991

DEVELOPMENT OF ALUMINUM-WATER HEAT PIPES

卷 5, 册 1-4, 2014, pp. 129-136
DOI: 10.1615/HeatPipeScieTech.v5.i1-4.110
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摘要

A common type of heat pipe used for computer cooling applications has been copper as a fluid container and water as a working fluid. The nature of copper such as high mass and material cost, however, has spurred considerable interest on aluminum as a potential replacement while aluminum-water combination is subject to corrosion reaction. In this paper, we present the technology development results attempted to enable the aluminum-water heat pipes. We studied an approach of providing thermodynamic compatibility between the aluminum surface and water by a formation of a defect-free hydration layer on top of the aluminum surface. Our trial of this technique applied to non-wick aluminum heat pipe samples revealed that the non-condensable gas generation can be effectively suppressed by the new coating structure evidenced by continuous working of heat pipe after a high temperature reliability testing of more than 300 hours at 130 °C. We also applied the same technique to wicked aluminum pipes and evaluated heat carrying capacity and thermal resistance.

对本文的引用
  1. Mukuna Jean Gad, Gryzagoridis Jasson, The effect of different working fluids and internal geometries on the efficiency of evacuated tube heat pipe solar collectors, Journal of Energy in Southern Africa, 31, 4, 2020. Crossref

  2. Hashmi Farzan Athar, Mohamed Ali Halima Begum, Lone Nadeem Fayaz, Azma Rukaiya, Siddiquee Arshad Noor, Ashraf Mir Mohammad, Ahmad Tariq, Mir Fayaz Ahmad, Friction stir welds of aluminium alloy pipes: an investigation of defects and mechanical properties, Advances in Materials and Processing Technologies, 2022. Crossref

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