Solar power converter with pool boiling receiver and integral he

Details Solar power converter with pool boiling receiver and integral he Solar power converter with pool boiling receiver and integral he

1980-05-30

1982-06-22

Ostrager, Allen M.

Power plants

Utilizing natural heat

Solar

126418, 126433, 126439, F03G 702

Patent

active

043355781

ABSTRACT:
A solar converter is disclosed which has particular applicability at the focal point of a parabolic concentrator. The converter absorbs solar thermal radiation in a cavity type receiver and transports the heat via a secondary fluid to a heat exchanger which contains a primary (i.e., working) fluid used for process heating or to power a heat engine employing either Stirling, Rankine, or Brayton thermodynamic cycles. The secondary fluid is boiled within the receiver by the trapped solar radiation and the released vapor rises along an elevated path to the heat exchanger. The vapor condenses on the surfaces of the heat exchanger, thereby transferring heat to the engine working fluid. The condensed liquid then flows by means of gravity back to the solar receiver. The walls of the cavity receiver are typically comprised of two concentric cylinders joined at one end in a half toroid and at the other end in concentric half spheres. Optimum primary and secondary fluids, which may be different from each other and are different for different applications, are described.

REFERENCES:
patent: 1969839 (1934-08-01), Goddard
patent: 4033118 (1977-07-01), Powell
patent: 4068474 (1978-01-01), Dimitrof
patent: 4222367 (1980-09-01), Jubb
patent: 4252107 (1981-02-01), Horton
patent: 4285333 (1981-08-01), Tanaka et al.

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