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A steam turbine receives steam from two boilers. One flow is 5 kg/s at 3 MPa,...
A steam turbine receives steam from two boilers.
One flow is 5 kg/s at 3 MPa, 700°C and the other flow is 15 kg/s at 800 kPa, 500°C.
The exit state is 10 kPa, with a quality of 96%.
Calculate the efficiency of the turbine and the total power output.
Solutions
Amanda K answered 2 years agoRelated Solutions
A steam turbine receives steam from two boilers. One flow is 5 kg/s at 3 MPa,...
A steam turbine receives steam from two boilers. One flow is 5
kg/s at 3 MPa, 700°C and the other flow is 15 kg/s at 800 kPa,
500°C. The exit state is 10 kPa, with a quality of 96%. Find the
total power out of the adiabatic turbine. Calculate the efficiency
of the turbine
An adiabatic steam turbine receives 50 kg/s of superheated steam at 5 MPa and 500oC. Steam...
An adiabatic steam turbine receives 50 kg/s of superheated steam
at 5 MPa and 500oC. Steam exits the turbine with a pressure of 100
kPa. Determine the minimum exit quality and the maximum power
output of the turbine in kW.
4. A steam turbine has an inlet flow of 3 kg/s at 3.5 MPa and 450...
4. A steam turbine has an inlet flow of 3 kg/s at 3.5 MPa and
450 C with a velocity of 140 m/s. the exit of the turbine is 800
kPa and 300 C at a very low velocity. Calculate a.) the work
produced in (MW) by the turbine, and b.) The entropy generated in
(kW/k)
A steam turbine receives superheated steam at 18.0 kg/s, 500.°C, and 3.00 MPa and exhausts it...
A steam turbine receives superheated steam at 18.0
kg/s, 500.°C, and 3.00 MPa and exhausts it to 10 kPa with a quality
of 96%. If the turbine is assumed to be internally reversible,
determine the rate of heat loss from the turbine surface if the
power output is 20.MW The surface temperature of the turbine is
uniform at 350.°C, and the local environment (ground state) is
taken to be saturated liquid water at T0 = 20.0°C. Neglect all flow
stream...
a steam turbine has an inlet flow of 3 kg/s water at 3.5 MPa and 450°C...
a
steam turbine has an inlet flow of 3 kg/s water at 3.5 MPa and
450°C with a velocity of 140 m/s. The exit is at 800 KPa and 300°C
and very low velocity.
(a) How much heat (in MW) is assumed to be transferred into
the turbine?
(b) what is the work that goes into the turbine?
(c) find the work produced by the turbine?
(d) Find the entropy generation of the process.
(e) find the carnot efficiency of...
2 kg/s of steam enters a turbine operating at steady state at 1 MPa, 200oC and...
2 kg/s of steam enters a turbine operating at steady state at 1
MPa, 200oC and exits at 40oC with a quality of 83%. Stray heat
transfer and kinetic and potential energy effects are negligible.
Determine (a) the power developed by the turbine, in kW, (b) the
change in specific entropy from inlet to exit, in kJ/kg·K.
Superheated steam enters a turbine at 3 MPa, 550oC, and exits at 0.01 MPa. a) If...
Superheated steam enters a turbine at 3 MPa, 550oC, and exits at
0.01 MPa.
a) If the process is reversible adiabatic (isentropic), find the
final
temperature (T2s), the final enthalpy (h2s) of the steam, and the
turbine
work (Wt,s).
b) What is Sgen for the above process?
c) If the isentropic efficiency is 90%, find the actual final
temperature (T2a)
and calculate Sgen?
d) Plot process (a) and (c) on a Ts diagram.
A mass flow rate of 2 kg/s of steam is expanded in an adiabatic turbine with...
A mass flow rate of 2 kg/s of steam is expanded in an adiabatic
turbine with an isentropic efficiency of 0.92. The steam enters at
3 MPa and 400 C and leaves at 30 kPa. Determine how much power the
turbine is producing. Express your result in kW.
(Sol: 1649 kW)
An adiabatic steam power plant turbine receives 500kg/s in steady flow at 8MPa and 500 degrees...
An adiabatic steam power plant turbine receives 500kg/s in
steady flow at 8MPa and 500 degrees C(state 1), the steam exits at
15kPa with quality of 0.95(state 2 actual). Find a) isentropic
power output of the turbine using listed pressures, b) actual power
output of the turbine, c) isentropic efficiency of the turbine, d)
s2-s1
An adiabatic steam power plant turbine receives 500kg/s in steady flow at 8MPa and 500 degrees...
An adiabatic steam power plant turbine receives 500kg/s in
steady flow at 8MPa and 500 degrees C(state 1), the steam exits at
15kPa with quality of 0.95(state 2 actual). Find a) isentropic
power output of the turbine using listed pressures, b) actual power
output of the turbine, c) isentropic efficiency of the turbine, d)
s2-s1
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