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http://dx.doi.org/10.3795/KSME-B.2005.29.11.1173

A Study of Cooling of Mobile Phone Using PCM Module  

Lee, Sang-Jin (한양대학교 대학원 기계공학과)
Jeong, Soo-Jin (한중대학교 자동차공학과)
Kim, Woo-Seung (한양대학교 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.29, no.11, 2005 , pp. 1173-1181 More about this Journal
Abstract
The cooling effect of a mobile phone using PCM(Phase Change Material) module has been numerically investigated. A transient three-dimensional numerical analysis of heat and fluid flow with natural convection is performed in this study. Governing conservation equations for mass, momentum and energy are solved by an implicit finite volume method. An enthalpy-porosity technique has been used for modeling of the melting process. Two different ways of placing the PCM module are considered. One is to place a PCM module between the substrate and battery pack, and the other is to place a PCM module between MCM(multichip module) and battery pack. Three different types of PCMs are used to predict the performance of PCM. The results show that passive cooling with PCM can reduce the temperature rise and the effect of natural convection in PCM module considered in this study is negligible.
Keywords
Phase Change Material; Latent Heat; Enthalpy Method;
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