Heat transfer enhancement using tangential injection

Details Heat transfer enhancement using tangential injection Heat transfer enhancement using tangential injection

1992-12-29

1994-03-08

Rivell, John

Heat exchange

With agitating or stirring structure

165174, 165908, 138 38, F28F 1312

Patent

active

052919439

ABSTRACT:
A process for improving the efficiency of heat transfer to a flowing fluid in a tubular heat exchanger by placing an injector on the inlet of each heat exchanger tube, the injector designed to create tangential flow in the tube. The injector used to generate tangential flow comprises a tubular cap with multiple passageways therethrough so that fluid entering the passageways enters the heat exchanger tube along a line tangent to the circumference of the hole extending along the length of the heat exchanger tube. A significant increase in heat transfer at the same pumping power is obtained as a result of the cross sectional shape of the passageway and the dimensions thereof in relationship to the inner diameter of the heat exchanger tube.

REFERENCES:
patent: 1184936 (1916-05-01), Falkenwalde
patent: 2424441 (1947-07-01), Edmonds
patent: 2949935 (1960-08-01), Edmonds
patent: 3016067 (1962-01-01), Edmonds
patent: 3274752 (1966-09-01), Huyghe et al.
patent: 4248296 (1981-02-01), Jazek
patent: 4848447 (1989-07-01), Sladky
patent: 5054547 (1991-10-01), Shipley

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