Mass transport heat exchanger method and apparatus for use in oc

Details Mass transport heat exchanger method and apparatus for use in oc Mass transport heat exchanger method and apparatus for use in oc

1977-05-27

1978-08-08

Ostrager, Allen M.

Power plants

Utilizing natural heat

Geothermal

60692, 165104S, 165107R, F01K 900, F03G 704

Patent

active

041048830

ABSTRACT:
Ocean thermal energy conversion (OTEC) uses a fluid, such as ammonia, hea by high-temperature surface water to provide a turbine-driving working gas. To condense the gas for re-use, a slurry of phase-transformation particles and cold ambient sea water is mixed in a deeply-submerged tank and delivered to a surface tank essentially at the cold sub-surface temperature. Condensing of the working gas is performed at the ocean surface level by exposure to the cold slurry temperature. Particle phase-transformation, which occurs at a temperature between that of the cold sub-surface water and the reject temperature of the heat-exchanger, maintains a surface tank temperature at about that of the sub-surface water.

REFERENCES:
patent: 2846421 (1958-08-01), Pollock
patent: 3596713 (1971-08-01), Katz
patent: 4014279 (1977-03-01), Pearson

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