Steam is delivered to turbine at 5.4 MPa and 600 degree C. Before condensation at 31 degree C, steam is extracted for feed water heating at 0.6 MPa. The turbine exhaust is 60 degree C. the required values of some state point properties are tabulated below. 9. Calculate the total pump work of the cycle

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Steam is delivered to turbine at 5.4 MPa and 600 degree C. Before condensation at 31 degree C, steam is extracted for feed water heating at 0.6 MPa. The turbine exhaust is 60 degree C. the required values of some state point properties are tabulated below.

9. Calculate the total pump work of the cycle

O 7.378 kJ/kg
O 5.758 kJ/kg
O 4.948 kJ/kg
6.468 kJ/kg
Transcribed Image Text:O 7.378 kJ/kg O 5.758 kJ/kg O 4.948 kJ/kg 6.468 kJ/kg
B
5.4 Mpa
600°C
POH
At P = 5.4 MPa and T = 600 °C
s (kJ/kg-K)
7.2206
At P = 0.6 MPa
(for superheated steam with
s (kJ/kg-K)
7.1816
S
7.2214
At 31 °C
Psat = 4.496 kPa
sf = 0.4507 kJ/kg-K
sfg = 7.9822 kJ/kg-K
5.4 Mpa
600°C
P.=P,
P=P=P₁
0.6MPa
31°C
h (kJ/kg)
3663.3
s1 = s
= s2)
h (kJ/kg)
2957.2
h
2978.2
vf = 0.0011006 m^3/kg
hf = 129.97 kJ/kg
hfg = 2428.1 kJ/kg
S
Transcribed Image Text:B 5.4 Mpa 600°C POH At P = 5.4 MPa and T = 600 °C s (kJ/kg-K) 7.2206 At P = 0.6 MPa (for superheated steam with s (kJ/kg-K) 7.1816 S 7.2214 At 31 °C Psat = 4.496 kPa sf = 0.4507 kJ/kg-K sfg = 7.9822 kJ/kg-K 5.4 Mpa 600°C P.=P, P=P=P₁ 0.6MPa 31°C h (kJ/kg) 3663.3 s1 = s = s2) h (kJ/kg) 2957.2 h 2978.2 vf = 0.0011006 m^3/kg hf = 129.97 kJ/kg hfg = 2428.1 kJ/kg S
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