Heat exchange – Regenerator – Checker brick structure
Patent
1981-01-19
1982-12-28
Davis, Jr., Albert W.
Heat exchange
Regenerator
Checker brick structure
16510412, 16510421, F28D 1500
Patent
active
043656617
ABSTRACT:
A method and apparatus for the enhanced transport of thermal energy utilizing a heat pipe operated principally in the vaporization/condensation mode. The heat pipe is a closed circuit fluid circuit having a heat source position and a heat sink position. A transport fluid is selected to enter the heat source position as a liquid, be vaporized thereat and at least partly chemically reacted with the aid of a catalyst, then transported to the heat sink position whereupon a reverse chemical reaction thereof is induced to release heat. Condensation of the transport fluid also occurs at or near the heat sink position and the transport fluid is returned to the heat source position in liquid form. The transport fluid is selected such that for the temperature of operation at the heat source position and for the temperature drop between the source and sink positions, a significant portion of the total thermal energy removed from the heat source, typically upwards of 50 percent, occurs by vaporization prior to the endothermic reaction. The endothermic chemical reaction further enhances the vaporization rate. In one example, the temperature differential between the heat source and heat sink positions is in the range of about 20.degree. -80.degree. K. and the transport fluid is isobutane and its reaction product n-Butane.
REFERENCES:
patent: 308197 (1884-11-01), Rober
R. L. McKisson, Dissociation-Cooling: A Discussion, Livermore Research Laboratory of the A.E.C., Livermore, CA, 3/54, pp. 1-20, LRL-86.
N. G. Aabalu et al., Chemical Heat Pipe, IBM Technical Disclosure Bulletin, vol. 13, No. 12, p. 3812, 5/71.
Davis Jr. Albert W.
Schneeberger Stephen A.
United Technologies Corporation
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