Gradient zone boundary control in salt gradient solar ponds

Details Gradient zone boundary control in salt gradient solar ponds Gradient zone boundary control in salt gradient solar ponds

1982-09-29

1984-02-07

Jones, Larry

Stoves and furnaces

Tool having fluid fuel burner

Soldering iron

126452, 126430, 126435, 4498, F24J 302

Patent

active

044296835

ABSTRACT:
A method and apparatus for suppressing zone boundary migration in a salt gradient solar pond includes extending perforated membranes across the pond at the boundaries, between the convective and non-convective zones, the perforations being small enough in size to prevent individual turbulence disturbances from penetrating the hole, but being large enough to allow easy molecular diffusion of salt thereby preventing the formation of convective zones in the gradient layer. The total area of the perforations is a sizable fraction of the membrane area to allow sufficient salt diffusion while preventing turbulent entrainment into the gradient zone.

REFERENCES:
patent: 4241724 (1980-12-01), Hull
patent: 4244351 (1981-01-01), Loeb et al.
patent: 4249518 (1981-02-01), Holt
patent: 4326498 (1982-04-01), Eckland
patent: 4377071 (1983-03-01), Assaf et al.
patent: 4380993 (1983-04-01), Spitzer
"Membrane Stratified Solar Pond" Solar Energy, vol. 25, pp. 317-325, 1980, Hull, J. R.
"Solar Ponds for Space Heating", Solar Energy, vol. 17, pp. 1-12, 1975, Rabl, A. and Nielsen, C. E.

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