Question
In: Mechanical Engineering
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.
Solutions
samet mamat answered 3 years agoRelated Solutions
Water vapor at 5 MPa, 320°C enters a turbine operating at steady state and expands to...
Water vapor at 5 MPa, 320°C enters a turbine operating at steady
state and expands to 0.1 bar. The mass flow rate is 2.52 kg/s, and
the isentropic turbine efficiency is 92%. Stray heat transfer and
kinetic and potential energy effects are negligible.
Determine the power developed by the turbine, in kW.
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...
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.
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...
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 steam turbine receives 8 kg/s of steam at 9 MPa, 650 C and 60 m/s...
A steam turbine receives 8 kg/s of steam at 9 MPa, 650 C and 60
m/s (pressure, temperature and velocity). It discharges
liquid-vapor mixture with a quality of 0.94 at a pressure of 325
kPa and a velocity of 15 m/s. In addition, there is heat transfer
from the turbine to the surroundings for 560 kW. Find the power
produced by the turbine and express it in kW
A steam turbine receives 8 kg/s of steam at 9 MPa, 650 C and 60 m/s...
A steam turbine receives 8 kg/s of steam at 9 MPa, 650 C and 60
m/s (pressure, temperature
and velocity). It discharges liquid-vapor mixture with a quality of
0.94 at a pressure of 325 kPa
and a velocity of 15 m/s. In addition, there is heat transfer from
the turbine to the surroundings
for 560 kW. Find the power produced by the turbine and express it
in kW.
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...
Steam enters a turbine at 10 MPa, 410oC, and 80 m/s, and leaves at 10 kPa,...
Steam enters a turbine at 10 MPa, 410oC, and 80 m/s,
and leaves at 10 kPa, 90 percent quality and 50 m/s. Steam flows
steadily through the turbine at 10 kg/s and the heat loss from the
turbine is 0.5 kW. Neglecting potential energy changes,
determine
The power output of the turbine (kW)
The turbine inlet area (m2)
The turbine outlet area (m2)
The volume flow rate of steam at turbine outlet
(m3/s)
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