Calculate mean temperature of reception of heat in boiler

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A steam turbine operates on a superheated Rankine cycle. The pressure and temperature of the steam leaving the boiler are 10 bar and 350 °C respectively. The specific steam consumption of the plant is 4.55 kg/kWh. The pressure in the condenser is 0.05 bar. If the feed pump work may be neglected, calculate the thermal efficiency of the plant, the turbine isentropic efficiency and evaluate the rational efficiency. Also calculate the mean temperature of reception of heat in the boiler and use this in conjunction with the condenser temperature to evaluate the thermal efficiency. Explain why the value calculated by this method is higher than that obtained previously.
[26.5%; 86%; 84.84%; 30.85%]

Reference no: EM131285326

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