Solar collector

Details Solar collector Solar collector

1977-01-24

1978-05-23

Sprague, Kenneth W.

Stoves and furnaces

Ovens

Domestic

237 1A, F24J 302

Patent

active

040904946

ABSTRACT:
A solar collector comprising a trough, a solar radiation transmitting cover overlying the trough with one end of the trough constituting an inlet end, with the other end of the trough constituting an outlet end, and with air flowing through the trough from the inlet to the outlet end thereof generally along the longitudinal axis of the trough, and a plurality of solar radiation absorption panels disposed within the trough for absorbing solar radiation transmitted through the cover and for heating the air flowing through the trough. The solar radiation absorption panels extend transversely across the trough and are inclined relative to the longitudinal axis of the trough. Each of these panels has a plurality of louver fins thereon extending from the panel with openings therebetween, each of the louver fins being generally parallel to the direction of the flow of air through said trough and being disposed to intercept and absorb solar radiation transmitted through the cover whereby the air flowing through the trough flows through the openings in the panel and over the louver fins in a direction generally parallel to the longitudinal axis of the trough for being heated by the louver panels and by the fins, thereby to increase the heat transfer efficiency between solar absorber surface (i.e., the louvers) and the flowing air and to simultaneously hold the pressure drop of the air flow at a manageable low level.

REFERENCES:
patent: 201439 (1878-03-01), Moreau
patent: 3863621 (1975-02-01), Schoenfelder
patent: 3996919 (1976-12-01), Hepp
patent: 4034736 (1977-07-01), Telkes

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