In turbochargers a turbine is directly connected to a compressor. The power harvested by the turbine is used to power the compressor. In the figure below a turbine runs on steam and powers a compressor on air. Air can be considered a perfect gas with k = 1.34, R = 0.28 kJ/kgk and Cp 1.02 kJ/kgK. The air enters the compressor at p₁ 1bar, T₁ = 300K and a mass flow rate of mdot = 5.9 kg/s and exits at p2 = 5.2 bars. The steam enters the isentropic turbine at P3 = 2 MPa, T3 = 320°C and exits at p4 = 100 kPa. = State 2 Isentropic Compressor State 1 Air-perfect gas T₁ = 300K P₁ = 1 bar W tubine Answer: =? State 4 Isentropic Turbine State 3 Steam T, 320°C P3= 2MPa What is the enthalpy at state 3? Please enter your answer in kJ/kg

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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In turbochargers a turbine is directly connected to a compressor. The power harvested by the
turbine is used to power the compressor. In the figure below a turbine runs on steam and
powers a compressor on air. Air can be considered a perfect gas with k = 1.34, R = 0.28 kJ/kgk
and Cp
1.02 kJ/kgK. The air enters the compressor at p₁ 1bar, T₁ 300K and a mass flow
rate of mdot = 5.9 kg/s and exits at p2 = 5.2 bars. The steam enters the isentropic turbine at
P3 = 2 MPa, T3 = 320°C and exits at p4 = 100 kPa.
=
State 2
Isentropic
Compressor
State 1
Air-perfect gas
T₁ = 300K
P₁ = 1 bar
W = ?
tubine
Answer:
State 4
Isentropic
Turbine
State 3
Steam
T, 320°C
P3= 2MPa
What is the enthalpy at state 3? Please enter your answer in kJ/kg
=
Transcribed Image Text:In turbochargers a turbine is directly connected to a compressor. The power harvested by the turbine is used to power the compressor. In the figure below a turbine runs on steam and powers a compressor on air. Air can be considered a perfect gas with k = 1.34, R = 0.28 kJ/kgk and Cp 1.02 kJ/kgK. The air enters the compressor at p₁ 1bar, T₁ 300K and a mass flow rate of mdot = 5.9 kg/s and exits at p2 = 5.2 bars. The steam enters the isentropic turbine at P3 = 2 MPa, T3 = 320°C and exits at p4 = 100 kPa. = State 2 Isentropic Compressor State 1 Air-perfect gas T₁ = 300K P₁ = 1 bar W = ? tubine Answer: State 4 Isentropic Turbine State 3 Steam T, 320°C P3= 2MPa What is the enthalpy at state 3? Please enter your answer in kJ/kg =
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