Consider a steam power plant operating on the ideal Rankine cycle. Steam enters the turbine at 3 MPa and 350°C and is condensed in the condenser at a pressure of 10 kPa. Determine i) the thermal efficiency of this power plant, ii) the thermal efficiency if steam is superheated to 600°C instead of 350°C, and iii) the thermal efficiency if the boiler pressure is raised to 15 MPa while the turbine inlet temperature is maintained at 600°C.
Consider a steam power plant operating on the ideal Rankine cycle. Steam enters the turbine at 3 MPa and 350°C and is condensed in the condenser at a pressure of 10 kPa. Determine i) the thermal efficiency of this power plant, ii) the thermal efficiency if steam is superheated to 600°C instead of 350°C, and iii) the thermal efficiency if the boiler pressure is raised to 15 MPa while the turbine inlet temperature is maintained at 600°C.
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Transcribed Image Text:Consider a steam power plant operating on the ideal Rankine cycle. Steam enters the turbine at
3 MPa and 350°C and is condensed in the condenser at a pressure of 10 kPa. Determine
i) the thermal efficiency of this power plant,
ii) the thermal efficiency if steam is superheated to 600°C instead of 350°C, and
iii) the thermal efficiency if the boiler pressure is raised to 15 MPa while the turbine inlet
temperature is maintained at 600°C.
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hii, what's the right formula for n? h2 will be subtracted in the numerator too as well as in the denominator, or not?
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