Design of a Thermal Contact Liquid Cooling System for Military Server Electronics
Cherom Kheirabadi, Ali
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The objective of this project was to design and experimentally evaluate a thermal contact liquid cooling system for military applications. The proposed system replaces fluidic connectors found in conventional water cooling systems with a thermal contact heat exchanger. This approach enhances reliability by eliminating leakage risks; however, it also undermines thermal performance by adding thermally resistive heat transfer interfaces. Experiments were conducted to quantify the downgraded thermal performance and to establish whether it is a viable trade-off for enhanced reliability. An experimental setup was constructed in order to simulate heat generation by a single processor. Results showed that the proposed system requires inlet water as warm as 53.2 ºC at a maximum heat load of 300 W. For comparison, it was also shown that a conventional water cooling system would incur refrigeration cost savings of 30 % relative to the proposed system at ambient temperatures sufficiently higher than 50 ºC.