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Experiments on vapor chamber performance with working fluid of water, methanol and acetone, respectively, were conducted using our novel vapor chambers. Water has remarkably larger latent heat and surface tension, and acetone has similar surface tension as methanol but smallest latent heat. A sintered two-layer 100+200 mesh wick was adopted, and the volumetric fluid charges were the same. The footprint...
The performance of a novel vapor chamber is tested in this study. In this vapor chamber, parallel grooves are made on the inner surface of the top plate, with inter-groove openings, to replace the conventional porous wick. To the inner surface of the bottom plate is sintered a layer of porous wick as the evaporator. The peaks of the groove walls directly contact with the wick so that the grooves function...
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