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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. 11. Calculate the thermal efficiency of the cycle

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. 11. Calculate the thermal efficiency of the cycle

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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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.

11. Calculate the thermal efficiency of the cycle

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
O 38.18% O 44.14% O 34.14% O 48.18%
Transcribed Image Text:O 38.18% O 44.14% O 34.14% O 48.18%
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