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Entropy 2018, 20(1), 44; https://doi.org/10.3390/e20010044

Impact of Microgroove Shape on Flat Miniature Heat Pipe Efficiency

1
Normandy University, Unicaen-LUSAC, 120 Rue de L’exode, 50000 Saint Lô, France
2
Orange Labs, 2 Avenue Pierre Marzin, 22307 Lannion, France
*
Author to whom correspondence should be addressed.
Received: 27 October 2017 / Revised: 7 January 2018 / Accepted: 9 January 2018 / Published: 11 January 2018
(This article belongs to the Special Issue Non-Equilibrium Thermodynamics of Micro Technologies)
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Abstract

Miniature heat pipes are considered to be an innovative solution able to dissipate high heat with low working fluid fill charge, provide automatic temperature control, and operate with minimum energy consumption and low noise levels. A theoretical analysis on heat pipe thermal performance using Deionized water or n-pentane as the working fluid has been carried out. Analysis on the maximum heat and capillary limitation is conducted for three microgroove cross sections: rectangular, triangular, and trapezoidal. The effect of microgroove height and width, effective length, trapezoidal microgroove inclination angle, and microgroove shape on heat pipe performance is analysed. Theoretical and experimental investigations of the heat pipes’ heat transport limitations and thermal resistances are conducted. View Full-Text
Keywords: heat pipe; electronic cooling; energy efficiency; heat transport limitation; sizing procedure heat pipe; electronic cooling; energy efficiency; heat transport limitation; sizing procedure
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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. (CC BY 4.0).
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Ternet, F.; Louahlia-Gualous, H.; Le Masson, S. Impact of Microgroove Shape on Flat Miniature Heat Pipe Efficiency. Entropy 2018, 20, 44.

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