Superheated steam is supplied at 40 bar and 350 C to a singlestage turbine and the condenser pressure is 0.035 bar.
1Calculate the output power of the turbine if the mass flow of steam is 2 kg/s and the isentropic efficiency of the turbine is 0.9
2Calculate the dryness fraction at outlet
Inputs 
Units 

Inlet Pressure/Admission Data 
40 
bar 
Inlet Temperature/Admission Data 
350 
C 
Outlet Pressure 
0,035 
bar 
Isentropic Efficiency 
0,9 
. 
Mass Flow 
2 
Kg/s 
Outputs 

Inlet Enthalpy 
3095,08 
kJ/kg 
Inlet Entropy 
6,59 
kJ/(kg.K) 
Entropy of Isentropic Expansion 
1969,79 
kJ/(kg.K) 
Outlet Enthalpy 
2082,32 
kJ/kg 
Output Power 
2025,53 
KW 
Dryness Fraction at Outlet 
0,81 
. 