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Surfaces and interfaces

Surfaces and interfaces

Jumping droplets could cool computer chips

05 Apr 2017 Hamish Johnston
Schematic of the hot-spot cooler
Jump to it: the hot-spot cooler. The top plate is a superhydrophilic evaporator covered with a water-filled wick. The bottom plate is a superhydrophobic condenser on which the condensate droplets jump upon coalescence. The jumping mechanism returns the droplets to the evaporator. (Courtesy: Craig Fennel / eGrafx / Chuan-Hua Chen / Duke University)
When two droplets coalesce on some water-repellent materials, the resulting droplet will jump away f

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Hamish Johnston is an online editor of Physics World
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