An adiabatic steam turbine receives dry saturated steam at 1.0 MN/m2 and discharges it 0.1 MN/m2 and discharges it 0.1 MN/m2. The steam flow rate is 3 kg/s and the moisture at exit in negligible. If he ambient temperature is 300K, determine the rate of entropy production and the lost power.
Stem properties:
|
P
MN/$m^{2}$
|
$T_{sat}$
$^{\circ}c$
|
$h_{f}$
kJ/kg
|
$h_{g}$
kJ/kg
|
$s_{f}$
kJ/kgK
K
|
$s_{g}$
kJ/kgK
|
|
10
|
179.9
|
762.8
|
2778.1
|
2.139
|
6.586
|
|
0.1
|
99.6
|
417.5
|
2675.5
|
1.303
|
7.359
|