Solar receiver having wind loss protection

Details Solar receiver having wind loss protection Solar receiver having wind loss protection

1989-05-22

1990-04-03

Yeung, James C.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

126435, 126449, 126450, F24J 202

Patent

active

049131290

ABSTRACT:
A central solar receiving tower includes an air permeable heating surface which is exposed directly to the ambient. The heating surface receives solar radiation from a heliostat field and a warm airstream is circulated to the forward exposed face of the heating surface. As the warm airstream passes through the heating surface, its temperature is further raised and energy can be extracted from the air prior to being returned to the heating surface. The warm air introduced to the exposed face of the heating surface is directed in a generally converging pattern and flows through the heating surface with a generally uniform flow profile. A protective airstream is provided adjacent the warm air return airstream in a similar converging pattern. By properly controlling the relative flow rates, a flow boundary between the warm air and the protective air can be maintained, with the warm air flowing inward through the heating surface and the cold air flowing outward to buffer the warm air from ambient conditions.

REFERENCES:
patent: 3875925 (1975-04-01), Johnston
patent: 4063701 (1977-12-01), Wray
patent: 4312324 (1982-01-01), Ross et al.
patent: 4394859 (1983-07-01), Drost
patent: 4633854 (1987-01-01), Mayrhofer
patent: 4676068 (1987-06-01), Funk
patent: 4683872 (1987-08-01), Fricker
patent: 4777934 (1988-10-01), De Laquil
patent: 4777935 (1988-10-01), Fricker
"An Investigation Of Aerowindows For Solar Receivers", Final Report-Contract No. DE-AC03-83SF11693, May 1984.
"An Investigation Into The Feasibility Of An Air Curtain For A Solar Central Receiver", Final Report-Contract No. DE-AC03-83SF11940, Jun. 1984.

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