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Heat Pipe Science and Technology, An International Journal

Published 4 issues per year

ISSN Print: 2151-7975

ISSN Online: 2151-7991

HEAT TANSFER PERFORMANCE OF OSCILLATING HEAT PIPE BY DIFFERENCE OF SURFACE CHARACTERISTICS

Volume 5, Issue 1-4, 2014, pp. 417-424
DOI: 10.1615/HeatPipeScieTech.v5.i1-4.470
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ABSTRACT

A next-generation thermal control device, called an oscillating heat pipe (OHP), has been gaining attention in recent years. Many studies have been published to improve the operation limits of OHPs and satisfy the demands for higher heat transport capability. The present study focused on changing the surface properties of the flow channel in order to improve performance. The study investigates the effect of such changes in contact on the performance of OHPs by visualizing the internal flow and empirically evaluating the behavior of the gas–liquid in response to heat input, the relationship between pressure oscillation, and the heat transport properties. The results showed the difference of surface characteristic affected the heat transfer of OHP.

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