Abstract:Jet impingement cooling with phase change is a technique that has been successfully used to dissipate high heat fluxes (of order of 100 W/cm2 and higher) from advanced electronics. This work reports high speed visualization of jet impingement boiling on a copper heat spreader with porous coating. The coolant used in the experiments is a dielectric fluid, HFE-7100, in combination with a 5 x 5 array of round jets with orifice diameter of 0.75 mm. Both heat transfer and pressure drop are measured for different he… Show more
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