Repeat 7.48 assuming the turbine and the pump each has an
Chapter 7, Problem 152HP(choose chapter or problem)
Problem 152HP
Repeat Problem 7.48 assuming the turbine and the pump each has an isentropic efficiency of 85%.
Problem 7.48
Consider a steam turbine power plant operating near critical pressure, as shown in Fig. P7.48 As a first approximation, it may be assumed that the turbine and the pump processes are reversible and adiabatic. Neglecting any changes in kinetic and potential energies, calculate
a. The specific turbine work output and the turbine exit state
b. The pump work input and enthalpy at the pump exit state
c. The thermal efficiency of the cycle
FIGURE P7.48
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