HATサイクルの熱力学的評価

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タイトル別名
  • Thermodynamic Evaluation of HAT Cycle.
  • HAT サイクル ノ ネツリキガクテキ ヒョウカ

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In the HAT (humid air turbine) cycle plant, fuel is burned with highly humid air generated by passing compressed air through a water tank heated by the exhaust gas from the turbine. Basic thermodynamic features of the HAT cycle plant, NOx formation, temperature at the outlet of the combustion chamber and thermal efficiency, are demonstrated by extensive cycle analysis with varying air ratio, bypass ratio and moisture content of the air. In the evaluation of the thermodynamic properties, thermodynamic equilibrium was assumed. The efficiency obtained is substantially higher than that of the conventional open-type Brayton cycle plant, while the formation of NOx is reduced. Enthalpy and entropy balances of the ideal gas mixture reacting in a steady open system are described in the appendix.

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