Question
In: Mechanical Engineering
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)
Solutions
samet mamat answered 1 year agoRelated Solutions
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.
Steam at 10 bar and 330°C is fed to an adiabatic turbine at a mass flow...
Steam at 10 bar and 330°C is fed to an adiabatic turbine at a
mass flow rate of m = 5 kg/s. The output stream is saturated steam
at 1.1 bar. The inlet steam flows
through a 15 cm diameter pipe and the exit steam discharges
through a 20 cm diameter pipe.
a) Calculate the velocity of the input and output streams in
m/s.
b) The power generated by the turbine in kW
Saturated vapor steam enters a well-insulated turbine at 300oC. The mass flow rate is 1.00 kg/s...
Saturated vapor steam enters a well-insulated turbine at
300oC. The mass flow rate is 1.00 kg/s and the exit
pressure is 50 kPa. Determine the final state of the steam if the
turbine power output is 400 kW.
a). What is the amount of heat transfer in or out the turbine
?
b). Explain or show your calculation for your answer in a).
c). What is the substance that you use to look for pure
substance properties ?
d)....
Steam enters an adiabatic turbine at 500C and 4.0MPa and 80m/s. The steam leaves the turbine...
Steam enters an adiabatic turbine at 500C and 4.0MPa and 80m/s.
The steam leaves the turbine as saturated liquid-vapor mixture at
30kPa, quality of 92% and 50m/s. The mass flow rate of steam
through the turbine is 12kg/s.
(10 pts) Determine change in kinetic energy
(10 pts) Determine the rate of work (power) done by the steam in
the turbine, in kW (neglect potential energy change).
(10 pts) Determine the flow area at the entrance to the turbine,
in m2....
The mass flow rate of steam through an ideal Rankine turbine ( with an isentropic turbine...
The mass flow rate of steam through an ideal Rankine turbine (
with an isentropic turbine and an isentropic pump) is 30lbm/s. The
water and or steam is at a pressure of 1000 psia throughout the
boiler and superheater and exits the superheater at a temperature
of 600 F. The condenser is at a pressure of 2 psia, and the water
exits the condenser as a saturated liquid. Calculate the
following.
(a) the power output of the turbine
(b) the...
1. A steam turbine operates adiabatically with a steam rate of 25 kg/s. The steam is...
1. A steam turbine operates adiabatically with a steam rate of
25 kg/s. The steam is supplied at 300 kPA and 400 oC and
discharged at 40 kPA and 100 oC. Use steam tables to
solve this problem.
a. Determine the power output of the turbine.
b. Determine the power output of turbine for reversible
process.
Steam at 4 MPa and 350°C is expanded in an adiabatic turbine to 120 kPa. What...
Steam at 4 MPa and 350°C is expanded in an adiabatic turbine to
120 kPa. What is the isentropic efficiency of this turbine if the
steam is exhausted as a saturated vapor?
A steam turbine operates adiabatically with a steam rate of 25 kg/s. Due to frication and...
A steam turbine operates adiabatically with a
steam rate of 25 kg/s. Due to frication and mechanical reason, the
turbine operates irreversibly. The steam at inlet
of the turbine is at 1300 kPa and 400 oC and discharges at 40 kPa
and 100 oC.
(1) What is the power output of the turbine?
(2) Calculate the efficiency of the turbine (adiabatically
irreversible) in comparison with a turbine that operate reversibly
and adiabatically from the same initial conditions (1300 kPa and...
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
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- An investor is considering purchasing a Treasury bond with a 20 year maturity, an 8% coupon...
- Write a program that copies the contents of one file to a destination file. This program...
- how to conduct a marketing mix for 3d crest white strips
- Is big data analytics used for service innovation at Amazon? If so, please write a brief...
- A shrink-fit process has been used to enhance the pressure carrying capacity of a cylinder. During...
- Ten-year zero coupon bonds issued by the U.S. Treasury have a face value of $1,000 and...
- The Blossom Department of Transportation has issued 25-year bonds that make semiannual coupon payments at a...
ADVERTISEMENT