Enhanced heat transfer using nanofluids
First Claim
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1. A method of increasing conductivity of a liquid comprising the steps of:
- forming non-agglomerated nanocrystalline particles;
producing a nanofluid by dispersing the nanocrystalline particles by direct evaporation into a low vapor pressure liquid; and
adding a thioglycolic acid as a stabilizing agent to the nanofluid.
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Abstract
This invention is directed to a method of and apparatus for enhancing heat transfer in fluids such as deionized water. ethylene glycol, or oil by dispersing nanocrystalline particles of substances such as copper, copper oxide, aluminum oxide, or the like in the fluids. Nanocrystalline particles are produced and dispersed in the fluid by heating the substance to be dispersed in a vacuum while passing a thin film of the fluid near the heated substance. The fluid is cooled to control its vapor pressure.
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Citations
6 Claims
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1. A method of increasing conductivity of a liquid comprising the steps of:
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forming non-agglomerated nanocrystalline particles;
producing a nanofluid by dispersing the nanocrystalline particles by direct evaporation into a low vapor pressure liquid; and
adding a thioglycolic acid as a stabilizing agent to the nanofluid. - View Dependent Claims (2, 3, 4, 5, 6)
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