Find the extraction flow rate and state 4 into the boiler

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Reference no: EM131249898

For Problem 9.58, consider the boiler/super heater. Find the exergy destruction in this setup and the second-law efficiency for the boiler-source setup.

Problem 9.58

A Rankine cycle flows 5 kg/s ammonia at 2 MPa, 140?C to the turbine, which has an extraction point at 800 kPa. The condenser is at -20?C, and a closed FWH has an exit state (3) at the temperature of the condensing extraction flow and it has a drip pump. The source for the boiler is at constant 180?C. Find the extraction flow rate and state 4 into the boiler.

Reference no: EM131249898

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