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The Study of Sintered Wick Heat Pipes with Excellent Heat Transfer Capabilities
Version 1
: Received: 26 December 2023 / Approved: 26 December 2023 / Online: 26 December 2023 (14:14:30 CET)
A peer-reviewed article of this Preprint also exists.
Jang, I.-N.; Ahn, Y.-S. Sintered Wick Heat Pipes with Excellent Heat Transfer Capabilities—Case Study. Energies 2024, 17, 1113. Jang, I.-N.; Ahn, Y.-S. Sintered Wick Heat Pipes with Excellent Heat Transfer Capabilities—Case Study. Energies 2024, 17, 1113.
Abstract
A sintered wick was formed in a heat pipe through the process of sintering a mixture of copper powder with particle sizes of 100㎛ and 200㎛, mixed with a pore-forming agent. On application to the heat pipes. The thermal resistance of heat pipes containing a sintered wick was calculated for different tilting angles (0°, 45°, and 90°) according to the type of powder, thickness of the sintered wick, and the filling ratio of the working fluid. The heat transfer efficiencies were evaluated through temperature tests. The capillary force, which is closely related to heat transfer efficiency, is determined by the effective pore radius resulting from the sintering of the copper powder. Furthermore, it was observed that the heat transfer performance of the heat pipe was at its best when the working fluid filling ratio was 30%. Additionally, the width of the wick was found to have a direct correlation with the heat transfer performance.
Keywords
heat pipe; heat transfer performance; effective pore radius; capillary force; sintered wick; working fluid filling ratio.
Subject
Engineering, Mechanical Engineering
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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