Optimal Heat Sink Fin and Cold Lid Heights for Liquid Immersed Servers
A. Almaneea[1], J. Summers[1], H. Thompson[1], N. Kapur[1][1]University of Leeds, Leeds, United Kingdom
The system in this study is a closed server filled with Novac dielectric cooling liquid. The aim of this study is to find out the optimum value of the fin height and the cold lid height in order to reduce CPU temperature. A mesh accuracy investigation was conducted. The model set up in this work is validated with published experiment. An Optimal Latin Hypercube design (OLH) of experiment used to select 30 cases to be investigated. Genetic Algorithm (GA) was applied to find the optimum solution. A 3D model of COMSOL Multiphysics® is used to find that the optimum fin height is 23.9 mm and the cold lid height is 30 mm. This dropped 4.6% of the temperature of the Tcase.
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