Superheated steam is supplied at 40 bar and 350 C to a single-stage turbine and the condenser pressure is 0.035 bar.
1-Calculate 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
2-Calculate 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 |
. |