Engineering, 05.05.2020 08:26 bibigardeax

Steam enters a turbine with a pressure of 30 bar and a temperature of 400o C. Saturated vapor at 100o C exits the turbine. At steady state, the turbine develops work equal to 532.2 kJ per kg of steam flowing through the turbine. Heat transfer between the turbine and its surroundings occurs at an average outer surface temperature of 350 K. Neglect the change in potential and kinetic energy between inlet and exit. Determine (a) the heat transferred between the turbine and its surroundings, per kg of steam flowing, (b) the rate at which entropy is produced within the turbine per kg of steam flowing, in kJ/kg·K.

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Steam enters a turbine with a pressure of 30 bar and a temperature of 400o C. Saturated vapor at 100...