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ENHANCING POWER CYCLE EFFICIENCY FOR A SUPERCRITICAL BRAYTON CYCLE POWER SYSTEM USING TUNABLE SUPERCRITICAL GAS MIXTURES

  • US 20130033044A1
  • Filed: 08/05/2011
  • Published: 02/07/2013
  • Est. Priority Date: 08/05/2011
  • Status: Active Grant
First Claim
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1. A supercritical Brayton cycle power generation system, comprising:

  • a heat source that comprises an inlet port and an outlet port, the heat source heating a fluid in the supercritical Brayton cycle power generation system, the fluid being a mixture that causes the fluid to have a supercritical temperature that is optimized for at least one environmental condition pertaining to the Brayton cycle power generation system;

    a first turbine that comprises an inlet port and an outlet port;

    first piping that operably couples the heat source with the inlet port of the first turbine, the first piping including the fluid;

    a heat rejector that comprises an inlet port and an outlet port, the heat rejector rejecting heat near the supercritical temperature of the fluid;

    second piping that operably couples the outlet port of the first turbine with the inlet port of the heat rejector, the second piping including the fluid;

    a compressor having an inlet port and an outlet port;

    third piping that operably couples the outlet port of the heat rejector with the inlet port of the compressor, the fluid travelling from the heat rejector to the compressor by way of the third piping;

    a generator that generates electric power;

    a rotating shaft that couples the first turbine with the generator, wherein rotation of the shaft causes the generator to generate the electric power; and

    fourth piping that operably couples the outlet port of the compressor with the inlet port of the heat source, wherein the fluid travels from the compressor to the heat source by way of the fourth piping.

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