A Computational Method To Design Heat Sinks
Author(s)
J.A. Visser
Abstract
A computational method to design heat sinks
J.A. Visser
Department of Mechanical and Aeronautical Engineering, University of
Pretoria, Pretoria, 0002, South Africa
Abstract
A computationally economical method for the design of aluminum heat sinks is
presented. The motivation for this project arose from a growing need in the
electronics industry to find efficient ways of improving the design of heat sinks.
A three-dimensional finite-difference simulation using curvilinear boundary
fitted grids is used to model the conduction heat transfer in the heat sink.
Analytical and empirical models for the boundary conditions take into account
the effects of natural or forced convection, as well as radiation to the
surroundings. Flow bypass is included in the analysis for forced convection. The
solution methodology enables solution times of less than 30 seconds for most
heat sink geometries. The quick analysis and accurate results verified by
experimentation indicate that the
Keywords
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