科研之友
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摘要
Fluid cooling plates are widely used in the heat dissipation of high-density components, which imposes stricter requirements for the temperature uniformity of the plate surface. In this study, to improve the temperature uniformity of the liquid-cooled plate, a liquid-cooled plate with a single inlet and single outlet was designed. Under a load of 300 W, the maximum temperature difference of the plate cooled by a single-phase water and multiple-phase-change working medium were evaluated to be within 2 ℃ and 2. 6 ℃ (R236fa), respectively. To further improve the temperature uniformity, a scheme of a single inlet and multiple outlets for optimizing the flow channel was proposed on the basis of the preliminary flow channel design scheme. The effectiveness of the optimization scheme was verified by a simulation and experiment. The maximum temperature difference of the plate surface cooling with the R236fa working medium can be controlled to be within 2 ℃ after the optimization.
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