Question
In: Mechanical Engineering
Saturated water vapor at 300F enters a compressor operating at steady state with a mass flow...
Saturated water vapor at 300F enters a compressor operating at steady state with a mass flow rate of 5 lb/s and is compressed adiabatically to 750 psi.
Determine:
a) The percent isentropic compressor efficiency.
b) The rate of entropy production, in hp/R.
Solutions
samet mamat answered 2 years agoRelated Solutions
Saturated water vapor at 300°F enters a compressor operating at steady state with a mass flow...
Saturated water vapor at 300°F enters a compressor operating at
steady state with a mass flow rate of 5 lb/s and is compressed
adiabatically to 750 lbf/in.2
If the power input is 2150 hp, determine for the compressor:
(a) the percent isentropic compressor efficiency and
(b) the rate of entropy production, in hp/°R.
Ignore kinetic and potential energy effects.
Saturated water vapor at 300°F enters a compressor operating at steady state with a mass flow...
Saturated water vapor at 300°F enters a compressor operating at
steady state with a mass flow rate of 5 lb/s and is compressed
adiabatically to 650 lbf/in.2
If the power input is 2150 hp, determine for the compressor:
(a) the percent isentropic compressor efficiency and
(b) the rate of entropy production, in hp/°R.
Ignore kinetic and potential energy effects.
Saturated water vapor at 300°F enters a compressor operating at steady state with a mass flow...
Saturated water vapor at 300°F enters a compressor operating at
steady state with a mass flow rate of 5 lb/s and is compressed
adiabatically to 650 lbf/in.2
If the power input is 2150 hp, determine for the compressor:
(a) the percent isentropic compressor efficiency and
(b) the rate of entropy production, in hp/°R.
Ignore kinetic and potential energy effects.
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26oC with...
Refrigerant 134a enters an insulated compressor operating at
steady state as saturated vapor at -26oC with a
volumetric flow rate of 0.18 m3/s. Refrigerant exits at
8 bar, 70oC. Changes in kinetic and potential energy
from inlet to exit can be ignored.
Determine the volumetric flow rate at the exit, in m3/s,
and the compressor power, in kW.
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -20oC with...
Refrigerant 134a enters an insulated compressor operating at
steady state as saturated vapor at -20oC with a
volumetric flow rate of 0.18 m3/s. Refrigerant exits at
9 bar, 70oC. Changes in kinetic and potential energy
from inlet to exit can be ignored.
Determine the volumetric flow rate at the exit, in m3/s,
and the compressor power, in kW.
Methane (CH4) enters a compressor operating at steady state with a mass flow rate of 170...
Methane (CH4) enters a compressor operating at steady state with
a mass flow rate of 170 lbm/hr. The methane enters the compressor
at p1 = 15 lbf/in2 , T1 = 80F and exits at p2 = 100 lbf/in2 . The
work input to the compressor is 15 hp. Assume ideal gas behavior
for the methane with constant specific heats (cp = 0.538 Btu/lbm·R,
cv = 0.414 Btu/lbm·R). Kinetic and potential energy effects are
negligible and the compressor is insulated
1)Determine...
An air compressor is operating at a steady state. The air enters at with a volumetric...
An air compressor is operating at a steady state. The air enters
at with a volumetric flow rate 1.2 m^3/s at 170 kPa and 22 degrees
celsius with negligible velocity and leaves at 1500 kPa with
velocity of 200 m/s. The power to the compressor is 60 kW and the
compressor is cooled at a rate of 15 kJ/kg. Determine the exit
area.
Water vapor at 5 bar, 320°C enters a turbine operating at steady state with a volumetric...
Water vapor at 5 bar, 320°C enters a turbine operating at steady
state with a volumetric flow rate of 3 m3/s and expands
adiabatically to an exit state of 1 bar, 160°C. Kinetic and
potential energy effects are negligible.
Determine for the turbine:
(a) the power developed, in kW.
(b) the rate of entropy production, in kW/K.
(c) the percent isentropic turbine efficiency.
Water vapor at 5 bar, 320°C enters a turbine operating at steady state with a volumetric...
Water vapor at 5 bar, 320°C enters a turbine operating at steady
state with a volumetric flow rate of 3 m3/s and expands
adiabatically to an exit state of 1 bar, 200°C. Kinetic and
potential energy effects are negligible. Determine for the turbine:
(a) the power developed, in kW. (b) the rate of entropy production,
in kW/K. (c) the percent isentropic turbine efficiency.
Water vapor enters a turbine operating at steady state at 480°C, 90 bar, with a velocity...
Water vapor enters a turbine operating at steady state at 480°C,
90 bar, with a velocity of 247 m/s, and expands adiabatically to
the exit, where it is saturated vapor at 12 bar, with a velocity of
113 m/s. The exit diameter is 0.22 m. Determine the power developed
by the turbine, in kW.
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