What is the turbine inlet pressure

Reference no: EM131233604

1. Air in a piston/ cylinder arrangement, shown in Fig.P8.135, is at 200 kPa, 300 K with a volume of 0.5 m³. If the piston is at the stops, the volume is 1 m³ and a pressure of 400 kPa is required. The air is then heated from the initial state to 1500 K by a 1700 K reservoir. Find the total irreversibility in the process, assuming the surroundings are at 20?C.

2. Air enters a steady-flow turbine at 1600 K and exhausts to the atmosphere at 1000 K. The second-law efficiency is 85%. What is the turbine inlet pressure?

Reference no: EM131233604

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