Parametric Analysis of MEMS – Based Heat Exchanger with Different Test Fluids
Nusrat J. Chhanda, Muhannad Mustafa, Maglub Al Nur
Current Journal of Applied Science and Technology · pp. 925–941 · Published 20 Jun 2013
10.9734/BJAST/2013/4632Abstract
The latest generations of micro-scale systems are becoming more challenging to fit into designs. These chips are squeezing into smaller and smaller spaces with very little place for heat to escape. Therefore, MEMS heat exchanger has become popular in many practical applications although improvement of heat transfer characteristics is a key issue for the users as well as researchers. In the present study it is suggested that instead of using conventional working fluids, the micro sized hot structures can be cooled with an effective coolant which can be a good substitute of the conventional fluids. Ammonia has shown the highest outlet mean temperature during the study. The analysis is conducted using commercial finite element package to determine outlet mean temperature that is then used for further calculation of effectiveness, heat transfer coefficient and friction factor.
Cited by 4
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