Cylindrical tapered sleeve optimized for weight and heat conduct

Details Cylindrical tapered sleeve optimized for weight and heat conduct Cylindrical tapered sleeve optimized for weight and heat conduct

1980-03-04

1981-08-18

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 27, 429120, 429164, H01M 202

Patent

active

042846900

ABSTRACT:
The disclosed invention is a device and method for optimizing the weight and/or the heat transfer (conduction) capability of a heat transfer cylindrical sleeve. The sleeve is designed to fit around a cylindrical heat source. One particular application for this invention is where the heat source is a battery such as a metal gas battery in a satellite (where weight savings is important). Two sets of functional relationships are generated showing the relationship between the thickness of the sleeve at its top and bottom, an "area factor" (which is directly proportional to its heat transfer capability), the material thermal conductivity, and its volume per unit length (which is directly proportional to its weight). One can specify the desired heat transfer capability of the sleeve and optimize (minimize) its weight. Conversely, one can specify the desired weight for the sleeve and optimize (maximize) its heat transfer capability. Assuming that the heat source has a uniform heat generating propensity along its cylindrical surface, the optimum shape for the sleeve is tapered with dimensions as described herein.

REFERENCES:
patent: 266220 (1882-10-01), Strong
patent: 1506278 (1924-08-01), Sturges
patent: 1657202 (1928-01-01), Ellyson
patent: 2181927 (1939-12-01), Townsend
patent: 2708213 (1955-05-01), Koren
patent: 3269866 (1966-08-01), Dixon et al.
patent: 3461954 (1969-08-01), Banks et al.
patent: 3537907 (1970-11-01), Wilson

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