INCREASING BOILING HEAT TRANSFER USING LOW THERMAL CONDUCTIVITY MATERIALS
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Jul 13, 2017
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Jul 13, 2016
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An apparatus having a heat transfer surface for transfer of heat from the apparatus to a liquid. The heat transfer surface includes at least two different materials and at least two of said materials have different thermal conductivities. A method of boiling at least one liquid which provides increased heat transfer from a heat transfer surface of an apparatus to a liquid comprising a step of boiling said liquid in contact with the apparatus, is also disclosed. Also described is a method of tuning a heat transfer surface by forming the heat transfer surface using at least two different materials having different thermal conductivities arranged in a predetermined spatial relationship including a spacing between the portions of one said material that is from about 0.1λC to about 5λC, wherein λC is a capillary length of a bubble of a predetermined liquid to be boiled using said heat transfer surface.
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