Stoves and furnaces – Tool having fluid fuel burner – Soldering iron
Patent
1983-08-11
1984-07-31
Scott, Samuel
Stoves and furnaces
Tool having fluid fuel burner
Soldering iron
126400, 126452, F45
Patent
active
044623895
ABSTRACT:
A horizontal highly concentrated body of an aqueous solution constitute a solar pond in which the liquid body is divided into two horizontal strata (an upper and a lower stratum) of different density and temperature gradients. Between said strata is interposed a flowing middle level layer, said strata and said middle level layer having different functions.
The lower stratum function as a solar heat trap for radiations to penetrate thereinto.
The flowing middle level layer functions as a flowing solar heat trap mainly for heat lost by upward heat transmission from said lower stratum.
The upper stratum functions as a flowing or stagnant insulating liquid cover preventing heat losses to the atmosphere of the sunrays penetrating said lower stratum and said middle level layer.
The difference between the heat of evaporation of the dilute solution at the surface of the liquid body of the known solar pond methods and the heat of evaporation of the concentrated solution at the surface of the liquid body of the new solar pond method, is more than 25% of the total incident insolation, the bulk of this difference is trapped and utilized in the new method to double the heat utilization efficiency compared to the known solar pond methods.
Furthermore a self-lift system is used for recycling the hot bottom strata instead of pumps.
REFERENCES:
patent: 4139056 (1979-02-01), Scholl
patent: 4328788 (1982-05-01), Wirguin et al.
patent: 4355683 (1982-10-01), Griffiths
"Salt Gradient Solar Pond" by F. Zangrando and H. C. Bryant; Solar Age; Apr. 1978 pp. 21 and 32-36.
Solar Pond Project by H. Tabor and R. Matzj Solar Energy vol. 9, No. 4, 1965 pp. 177-182.
Barish Benjamin J.
Scott Samuel
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