EFFECT OF DIFFERENT SHAPES ON CHARACTERISTICS OF CONJUGATE HEAT TRANSFER OF MICRO CHANNEL HEAT SINK
Author(s) -
R. Manimaran,
Ankit Kanor
Publication year - 2016
Publication title -
frontiers in heat and mass transfer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 18
ISSN - 2151-8629
DOI - 10.5098/hmt.7.25
Subject(s) - thermal fluids , heat sink , heat transfer , frontier , thermal , materials science , environmental science , mechanical engineering , mechanics , thermodynamics , convective heat transfer , political science , engineering , physics , law
One of the effective liquid cooling techniques for microelectronic devices is attaching micro channel heat sink to the inactive side of chip. A micro channel heat sink is a device that decreases temperature by flowing coolant through micro channels. The present study focuses on the conjugate heat transfer analyses for different cross-sections (trapezoidal, hexagonal, octagonal and circular).After present study is validated with the published result in the literature, the comparative study of parallel and counter flow configuration is performed. Different geometries are modeled using CATIA V5 software and simulated in ANSYS Fluent R14. From these CFD simulations, preferred configuration of parallel-flow or counter-flow is chosen based on maximum possible heat transfer for effective cooling. The focus on the analyses is to improve the heat transfer rate by either decreasing the chip wall (bottom wall) temperature or the decrease in overall thermal resistance.
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