Corrugated louver fin type heat exchanging device

Details Corrugated louver fin type heat exchanging device Corrugated louver fin type heat exchanging device

1992-10-13

1993-12-21

Rivell, John

Heat exchange

Radiator core type

Deformed sheet forms passages between side-by-side tube means

165153, 165183, 29890046, F28D 102, F28F 122

Patent

active

052714586

ABSTRACT:
A large value of the radius R of the curved portion 110 of a corrugated fin 101 allows fillet portion 104 to have a large length along the length of the pipe 102 for decreasing the heat resistance between the pipe 102 and the fin 101, which makes the length of the louver portions 103 small. Contrary to this, a small value of the radius R of the curved portion 110 of a corrugated fin 101 allows louver portions 103 to have a large length, which is formed on the straight portion of the fin for increasing the heat transfer efficiency from the louver, which causes, however, the length of the fillet to be shortened. Best matching was obtained for decreasing the heat resistance and increasing the heat transfer efficiency when the radius of the curved portion is selected in a range between 0.14 mm to 0.37 mm.

REFERENCES:
patent: 4332293 (1982-06-01), Hiramatsu
patent: 4420039 (1983-12-01), Dubrovsky
patent: 4892143 (1990-01-01), Ishii

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