Variable pressure power cycle and control system

Details Variable pressure power cycle and control system Variable pressure power cycle and control system

1983-02-28

1984-11-27

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

60651, 60660, 60671, F01K 2510

Patent

active

044844468

ABSTRACT:
A variable pressure power cycle and control system that is adjustable to a variable heat source is disclosed. The power cycle adjusts itself to the heat source so that a minimal temperature difference is maintained between the heat source fluid and the power cycle working fluid, thereby substantially matching the thermodynamic envelope of the power cycle to the thermodynamic envelope of the heat source. Adjustments are made by sensing the inlet temperature of the heat source fluid and then setting a superheated vapor temperature and pressure to achieve a minimum temperature difference between the heat source fluid and the working fluid.

REFERENCES:
patent: 4242870 (1981-01-01), Searingen et al.
patent: 4358930 (1982-11-01), Pope et al.
Brown & Root, Inc. paper, "Gulf Coast Geopressured Geothermal Energy Study," Proceedings of the Second Geopressured Geothermal Energy Conference, 1976.
Baudat and Darrow paper, "Power Recovery In a Closed Cycle," CEP, Feb., 1980.

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