Semiclosed Brayton cycle power system with direct combustion heat transfer
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United States of America Patent
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Apr 17, 2012
Grant Date -
N/A
app pub date -
Aug 7, 1992
filing date -
Aug 7, 1992
priority date (Note) -
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Abstract
A semiclosed diesel fueled Brayton cycle power system is provided using CO2 and steam as the working fluid. Combustion occurs in a combustor between diesel fuel and O2 with CO2 present as a diluent. During combustion, a heated, high pressure working fluid of CO2 and steam is formed. The heated working fluid is expanded in a turbine and power is withdrawn from the fluid. The fluid is then used in a regenerator to heat cooler, compressed CO2 before the compressed CO2 is transferred to the combustor. The expanded working fluid is cooled conventionally by seawater in a cooler, condensing steam in the working fluid to water. The water is separated from the gaseous CO2. The gaseous CO2 is recycled, and the water is used to backfill the system's diesel fuel tank.
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