Problem # 3 [30 Points] Gas Turbine Performance Air enters a turbine at 10 MPa and 300 K and exits at 4 MPa and to 240 K
Posted: Sun May 15, 2022 10:23 pm
Problem # 3 [30 Points]
Gas Turbine Performance Air enters a turbine at 10 MPa and 300 K
and exits at 4 MPa and to 240 K. Determine the turbine work output
in kJ/kg of air flowing
[a] using the enthalpy departure chart, and
assuming the ideal gas model.
Given: Air T1 = 300 K
T2 = 240 K
Find: w [a] Real Gas
P1 = 10 MPA
P2 = 4 MPa
Ideal Gas System Schematic:
Process Diagram:
Engineering Model:
Property Data: ______T A-1 _____T A-23 __ Figure A-4
MW = 28.97 kg/kmol
h1* = 300 kJ/kg
∆h1/RTc = 0.5
Tc = 133 K
h2* = 240.2 kJ/kg
∆h2/RTc = 0.1
Pc = 37.7 bar
R = 8.314 kJ/kmol∙K
Gas Turbine Performance Air enters a turbine at 10 MPa and 300 K
and exits at 4 MPa and to 240 K. Determine the turbine work output
in kJ/kg of air flowing
[a] using the enthalpy departure chart, and
assuming the ideal gas model.
Given: Air T1 = 300 K
T2 = 240 K
Find: w [a] Real Gas
P1 = 10 MPA
P2 = 4 MPa
Ideal Gas System Schematic:
Process Diagram:
Engineering Model:
Property Data: ______T A-1 _____T A-23 __ Figure A-4
MW = 28.97 kg/kmol
h1* = 300 kJ/kg
∆h1/RTc = 0.5
Tc = 133 K
h2* = 240.2 kJ/kg
∆h2/RTc = 0.1
Pc = 37.7 bar
R = 8.314 kJ/kmol∙K