Gradient zone boundary control in salt gradient solar ponds
Patent
·
OSTI ID:6692112
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.
- Assignee:
- Dept. of Energy
- Patent Number(s):
- US 4429683
- OSTI ID:
- 6692112
- Resource Relation:
- Patent File Date: Filed date 29 Sep 1982; Other Information: PAT-APPL-426362
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
SOLAR PONDS
MEMBRANES
BRINES
CONVECTION
DESIGN
DIFFUSION
LAYERS
POROSITY
POROUS MATERIALS
SALINITY GRADIENTS
SODIUM CHLORIDES
STRATIFICATION
TURBULENCE
ALKALI METAL COMPOUNDS
CHLORIDES
CHLORINE COMPOUNDS
EQUIPMENT
HALIDES
HALOGEN COMPOUNDS
MATERIALS
PONDS
SODIUM COMPOUNDS
SOLAR COLLECTORS
SOLAR EQUIPMENT
SURFACE WATERS
141000* - Solar Collectors & Concentrators
SOLAR PONDS
MEMBRANES
BRINES
CONVECTION
DESIGN
DIFFUSION
LAYERS
POROSITY
POROUS MATERIALS
SALINITY GRADIENTS
SODIUM CHLORIDES
STRATIFICATION
TURBULENCE
ALKALI METAL COMPOUNDS
CHLORIDES
CHLORINE COMPOUNDS
EQUIPMENT
HALIDES
HALOGEN COMPOUNDS
MATERIALS
PONDS
SODIUM COMPOUNDS
SOLAR COLLECTORS
SOLAR EQUIPMENT
SURFACE WATERS
141000* - Solar Collectors & Concentrators