A steam power plant operates on an ideal reheat Rankine cycle between the pressure limits of 14 MPa and 10 kPa. The mass flow rate of steam through the cycle is 10 kg/s. Steam enters both stages of the turbine at 500°C. If the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 12 percent, determine (a) the pressure at which reheating takes place, (b) the total rate of heat input in the boiler, and (c) the thermal efficiency of the cycle. Also, show the cycle on a T-s diagram with respect to saturation lines.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A steam power plant operates on an ideal reheat Rankine cycle between the pressure limits of 14 MPa and 10 kPa. The mass flow rate of steam through the cycle is 10 kg/s. Steam enters both stages of the turbine at 500°C. If the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 12 percent, determine (a) the pressure at which reheating takes place, (b) the total rate of heat input in the boiler, and (c) the thermal efficiency of the cycle. Also, show the cycle on a T-s diagram with respect to saturation lines.
I
2. A steam power plant operates on an ideal reheat Rankine cycle between the pressure limits
of 14 MPa and 10 kPa. The mass flow rate of steam through the cycle is 10 kg/s. Steam
enters both stages of the turbine at 500°C. If the moisture content of the steam at the exit
of the low-pressure turbine is not to exceed 12 percent, determine (a) the pressure at which
reheating takes place, (b) the total rate of heat input in the boiler, and (c) the thermal
efficiency of the cycle. Also, show the cycle on a T-s diagram with respect to saturation
lines.
Transcribed Image Text:I 2. A steam power plant operates on an ideal reheat Rankine cycle between the pressure limits of 14 MPa and 10 kPa. The mass flow rate of steam through the cycle is 10 kg/s. Steam enters both stages of the turbine at 500°C. If the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 12 percent, determine (a) the pressure at which reheating takes place, (b) the total rate of heat input in the boiler, and (c) the thermal efficiency of the cycle. Also, show the cycle on a T-s diagram with respect to saturation lines.
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