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Proceedings Paper

Capillary layer structure effect upon heat transfer in flat heat pipes
Author(s): Silviu Sprinceana; Ioan Mihai; Marius Beniuga; Cornel Suciu; Ioan C. Mihai
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Paper Abstract

The research presented in this paper aimed to determine the maximum heat transfer a heat pipe can achieve. To that purpose the structure of the capillary layer which can be deposited on the walls of the heat pipe was investigated. For the analysis of different materials that can produce capillarity, the present study takes into account the optimal thickness needed for this layer so that the accumulated fluid volume determines a maximum heat transfer. Two materials that could be used to create a capillary layer for the heat pipes, were investigated, one formed by sintered copper granules (the same material by which the heat pipe is formed) and a synthetic material (cellulose sponge) which has high absorbing proprieties. In order to experimentally measure and visualize the surface characteristics for the considered capillary layers, laser profilometry was employed.

Paper Details

Date Published: 20 February 2015
PDF: 7 pages
Proc. SPIE 9258, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VII, 92581Q (20 February 2015); doi: 10.1117/12.2070423
Show Author Affiliations
Silviu Sprinceana, Stefan cel Mare Univ. of Suceava (Romania)
Ioan Mihai, Stefan cel Mare Univ. of Suceava (Romania)
Marius Beniuga, Stefan cel Mare Univ. of Suceava (Romania)
Cornel Suciu, Stefan cel Mare Univ. of Suceava (Romania)
Ioan C. Mihai, Stefan cel Mare Univ. of Suceava (Romania)


Published in SPIE Proceedings Vol. 9258:
Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VII
Ionica Cristea; Marian Vladescu; Razvan Tamas, Editor(s)

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