Consider a steam power plant operating on the ideal reheat Rankine cycle. Steam enters the high-pressure...

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Mechanical Engineering

Consider a steam power plant operating on the ideal reheatRankine cycle. Steam enters the high-pressure turbine atPH MPa andTH °C and is condensed in thecondenser at a pressure of PLkPa. Assume the steam is reheated to the inlettemperature of the high-pressure turbine, and that pump work is NOTnegligible. If the moisture content of the steam at the exit of thelow-pressure turbine is not to exceedw% percent, determine:

(a) the pressure at which the steam should be reheated ,

(b) the total turbine work ,

(c) the net work ,

(d) the total heat input , and

(e) the thermal efficiency of the cycle .

PH = 17.5 MPa, TH = 600 °C,PL = 15 kPa and w% = 9.9%.

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