How much will the carnot cycle thermal efficiency increase

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1. Steam enters the turbine of a power plant at 200. psia, 500.°F. How much will the Carnot cycle thermal efficiency increase if the condenser pressure is lowered from 14.7 to 1.00 psia?

2. Steam enters the piston cylinder of a Newcomen cycle steam engine at 14.7 psia, 212°F and condenses at 6.00 psia. Plot the thermal efficiency of the reversible cycle vs. the average cylinder wall temperature over the range 170.°F ≤ (T_b)_avg ≤ 212°F. Neglect the power used by the boiler feed pump.

Reference no: EM131348649

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