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Simulation And Assessment Of Air Impingement Cooling On Squared Pin-Fin Heat Sinks Applied In Personal Computers, Hwa-Chong Tien, Wei-Dong Huang
Simulation And Assessment Of Air Impingement Cooling On Squared Pin-Fin Heat Sinks Applied In Personal Computers, Hwa-Chong Tien, Wei-Dong Huang
Journal of Marine Science and Technology
The feasibility and effectiveness of air impingement cooling on pin-fin heat sinks applied in personal computers (PC) were investigated numerically in this study. The effects of fin height, fin width, base plate thickness of the heat sink, and ratio of the vertical spacing between the nozzle and the heat sink to jet diameter (z/D) were discussed in detail. For a PC with a P4, 2.8 GHz, 68.4 W CPU, it was found that the cooling effect by using air impingement on a heat sink with z/D = 4 and fin width 4.13 mm for the jet Reynolds number (Re) between …