Self-driven chemical heat pipe

Details Self-driven chemical heat pipe Self-driven chemical heat pipe

1981-01-19

1982-08-31

Davis, Albert W.

Heat exchange

Regenerator

Checker brick structure

16510412, 16510421, 16510425, F28D 2100

Patent

active

043467520

ABSTRACT:
A method and apparatus for a self-driven chemical heat pipe are provided in a circuit including an endothermic reaction chamber and an exothermic chamber connected by a pair of arms extending therebetween. Reactant is endothermically reacted near the heat source to create reaction product at a pressure greater than exists at the exothermic reaction chamber to promote flow thereof through one of the arms. Reaction product is exothermically reacted in the exothermic reaction chamber near the heat sink to liberate heat and form recombined gaseous reactant. That gaseous reactant is converted to liquid form, which liquid-form reactant occludes part of the other arm and flows therethrough toward the endothermic chamber to complete the cycle. The liquid occlusion of that arm ensures adequate unidirectional flow about the circuit. Provision may be made for selectively reversibly storing reaction product or reactant to accommodate differences in time between heat production at the source and heat demand at the sink.

REFERENCES:
patent: 308197 (1884-11-01), Rober
patent: 4192371 (1980-03-01), Derouette et al.
patent: 4216903 (1980-08-01), Giuffre
R. L. McKisson, Dissociation--Cooling: A Discussion Livermore Research Laboratory of the A.E.C., Livermore, Calif., 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.

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