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Steam enters a turbine at a rate of 550 kg/hr. The steam enters the turbine at...
Steam enters a turbine at a rate of 550 kg/hr. The steam enters the turbine at 28 atm and 350°C at a linear velocity of 55 m/s. The steam leaves the turbine at a point 3.5 m below the turbine inlet at atmospheric pressure and a velocity of 355 m/s. The turbine delivers shaft work at a rate of 50 kW, and the heat loss from the turbine is estimated to be 2250 kcal/hr.
What is the temperature of the exiting stream?
Additionally, if you can, what is the diameter of the exit pipe?
Solutions
Amanda K answered 8 months agoRelated Solutions
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.
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....
A steam turbine operates adiabatically at a power level of 3500 kW. Steam enters the turbine...
A steam turbine operates adiabatically at a power level of 3500
kW. Steam enters the turbine at 2400 kPa and 500oC and
exhausts from the turbine at 20 kPa as saturated vapor. What is the
flow rate of steam run through the turbine, and what is the turbine
efficiency? Draw the process on the P-H diagram.
A heat exchanger is used to heat acetone. 10 kg/min of steam enters at 550 C...
A heat exchanger is used to heat acetone. 10 kg/min of steam
enters at 550 C and 20.0 bar and leaves as saturated steam at 1
bar. The acetone enters at 20 C and leaves at 70 C. The heat
exchanger loses 3000 kJ/min to the surroundings. The acetone is
under a constant pressure of 1 atm.
Determine the volumetric flow rate (L/h) of acetone leaving the
heat exchanger.
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...
The steady flow rate of steam through an adiabatic turbine is 2.5 kg/s . The steam...
The steady flow rate of steam through an adiabatic turbine is
2.5 kg/s . The steam at 600 oc and 10 bar enters the
turbine through pipeline 10 cm in diameter. The steam exits the
turbine through at pipeline 25 cm in diameter at a temperature 400
oc and pressure of 1 bar.
State the steady flow energy equation
At the inlet conditions of the turbine, obtain from steam
tables
The
saturation temperature of steam at 10 bar
Specific
volume...
The steady flow rate of steam through an adiabatic turbine is 2.5 kg/s . The steam...
The steady flow rate of steam through an adiabatic turbine is
2.5 kg/s . The steam at 600 oc and 10 bar enters the
turbine through pipeline 10 cm in diameter. The steam exits the
turbine through at pipeline 25 cm in diameter at a temperature 400
oc and pressure of 1 bar.
State the steady flow energy equation
At the inlet conditions of the turbine, obtain from steam
tables
The
saturation temperature of steam at 10 bar
Specific
volume...
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.
Steam at 5mpa and 300C enters a turbine in a steady flow manner, from the turbine...
Steam at 5mpa and 300C enters a turbine in a steady flow manner,
from the turbine the steam expands to 200 kpa with a quality of
90%. FInd the ff:
a. The work done by the steam to the turbine in kj/kg
b. The amount of steam flow rate needed in kg/hr if the turbine
produces 200kW of power
c. The efficiency of the expansion process
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