Solar-MHD energy conversion system

Details Solar-MHD energy conversion system Solar-MHD energy conversion system

1976-11-26

1978-06-13

Schaefer, Robert K.

Prime-mover dynamo plants

Heating plants

290 52, 60641, 126270, 290 1R, H02P 904, H02K 4500

Patent

active

040951189

ABSTRACT:
A solar energy conversion system includes a centrally positioned tower supporting a solar receiver, and an array of pivotally mounted reflectors disposed circumferentially therearound which reflect earth incident solar radiation onto the receiver which thermally excites and photo-ionizes a working fluid to form a plasma. The plasma is accelerated and further heated through a ceramic turbo-compressor into a magnetohydrodynamic (MHD) generator to produce direct current. The working fluid is then passed through a heat exchanger channel where the waste heat is removed by another working fluid which drives a vapor turbine connected to the ceramic turbo-compressor and an AC generator. Seed may then be removed and the working fluid is recycled in the closed cycle MHD system. The electrical power is distributed, part of it being used to electrolyze water into hydrogen and oxygen which are stored and allowed to exothermally recombine to drive the system during low solar radiation intervals. In a further embodiment the MHD working fluid receives its velocity from an external turbo-compressor driven by the second working fluid, and an alternative thermal and photo-ionization chamber is employed.

REFERENCES:
patent: 3070703 (1962-12-01), Podolny
patent: 3487240 (1969-12-01), Louis
patent: 3924604 (1975-12-01), Anderson
patent: 3934573 (1976-01-01), Dandini

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