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InterviewSolution
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In a steam power plant operating on the Rankine cycle, steam enters the turbine at 4 MPa, 350oC and exists at a pressure of 15 kPa. Then it enters the condenser and exists as saturated water. Next, a pump feeds back the water to the boiler. The adiabatic efficiency of the turbine is 90%. The thermodynamic states of water and steam are given in the table. h is specific enthalpy, s is specific entropy and v the specific volume; subscript f and g denote saturated liquid state and saturated vapour state. The net work output kJk−1 of the cycle is |
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Answer» In a steam power plant operating on the Rankine cycle, steam enters the turbine at 4 MPa, 350oC and exists at a pressure of 15 kPa. Then it enters the condenser and exists as saturated water. Next, a pump feeds back the water to the boiler. The adiabatic efficiency of the turbine is 90%. The thermodynamic states of water and steam are given in the table. |
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