Power plants – Motive fluid energized by externally applied heat – Power system involving change of state
Patent
1992-10-09
1994-05-17
Husar, Stephen F.
Power plants
Motive fluid energized by externally applied heat
Power system involving change of state
606412, F01K 1300
Patent
active
053117417
ABSTRACT:
A new hybrid electric power production cycle is revealed, which utilizes hot, dry-rock, geothermal energy to produce dry, saturated steam, and utilizes natural gas or other fossil fuel to superheat the produced steam to a desired temperature. The superheated steam would then be used in a conventional Rankine cycle to produce large-scale electric power and energy. For a preferred steam pressure of 1800 pounds per square inch and a temperature of 1000 degrees Fahrenheit, the total energy consumed in the hybrid cycle would be 78% geothermal and 22% fossil-fuel.
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J. W. Tester, D. W. Brown and R. M. Potter, "Hot Dry Rock Geothermal Energy-A New Energy Agenda for the 21st Century," Los Alamos National Laboratory (LA-11514-MS UC-251 Jul. 1989).
Husar Stephen F.
Montgomery John W.
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