Question

Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -12oC with...

Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -12oC 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.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
An ideal vapor-compression refrigeration cycle operates at steady state with Refrigerant 134a as the working fluid....
An ideal vapor-compression refrigeration cycle operates at steady state with Refrigerant 134a as the working fluid. Saturated vapor enters the compressor at 1 bar, and saturated liquid exits the condenser at 4 bar. The mass flow rate of refrigerant is 8.5 kg/min. Determine the compressor power, in kW.
A vapor-compression refrigeration cycle operates at steady state with Refrigerant 134a as the working fluid. Saturated...
A vapor-compression refrigeration cycle operates at steady state with Refrigerant 134a as the working fluid. Saturated vapor enters the compressor at 2 bar, and saturated liquid exits the condenser at 8 bar. The isentropic compressor efficiency is 80%. The mass flow rate of refrigerant is 7 kg/min. Determine: (a) the compressor power, in kW, (b) the refrigeration capacity, in tons, (1 ton = 3.5168 kW) and, (c) the coefficient of performance, (d) rate of entropy production in kW/K, for the...
Refrigerant 134a is the working fluid in an ideal vapor-compression refrigeration cycle operating at steady state....
Refrigerant 134a is the working fluid in an ideal vapor-compression refrigeration cycle operating at steady state. Refrigerant enters the compressor at 1 bar, -12°C, and the condenser pressure is 9 bar. Liquid exits the condenser at 32°C. The mass flow rate of refrigerant is 7 kg/min. Determine: (a) the magnitude of the compressor power, in kW. (b) the refrigeration capacity, in tons. (c) the coefficient of performance.
a tube-within-a-tube heat exchanger operating at steady state is composed of one pipe containing Refrigerant 134a...
a tube-within-a-tube heat exchanger operating at steady state is composed of one pipe containing Refrigerant 134a and another pipe containing an ideal gas with constant specific heat at constant pressure of 1.2 kJ/(kg∙K). The refrigerant 134a enters the heat exchanger in a saturated liquid state and exits the heat exchanger in a saturated vapor state. The temperature and mass flow rate of the refrigerant 134a are -20° C and 3 kgs/s, respectively, at both its inlet and outlet. The ideal...
Refrigerant 134a is the working fluid in a vapor-compression heat pump that provides 35 kW to...
Refrigerant 134a is the working fluid in a vapor-compression heat pump that provides 35 kW to heat a dwelling on a day when the outside temperature is below freezing. Saturated vapor enters the compressor at 2.6 bar, and saturated liquid exits the condenser, which operates at 8 bar. Determine for an isentropic compressor efficiency of 85%: (a) the refrigerant mass flow rate, in kg/s. (b) the magnitude of the compressor power, in kW. (c) the coefficient of performance.
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 550 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 a well-insulated nozzle at 14 bar, 60°C, with a velocity of 37 m/s...
Refrigerant 134a enters a well-insulated nozzle at 14 bar, 60°C, with a velocity of 37 m/s and exits at 1.2 bar with a velocity of 460 m/s. For steady-state operation, and neglecting potential energy effects, determine the exit temperature, in °C.
Water enters an insulated compressor at a volumetric flowrate of 600 ft3 /min. It enters as...
Water enters an insulated compressor at a volumetric flowrate of 600 ft3 /min. It enters as a saturated vapor at 30 psi, and exits at 200 psi and 700 oF. Assuming an irreversible process while neglecting kinetic and potential energy effects, determine: (40 pts) i) Entropy production rate (Btu/s oR) ii) Actual power input (Btu/s) iii) Isentropic compressor efficiency
4.58 Air enters a compressor operating at steady state with a pressure of 14.7 lbf/in^2, a...
4.58 Air enters a compressor operating at steady state with a pressure of 14.7 lbf/in^2, a temperature of 808 F, and a volumetric flow rate of 18 ft /s. The air exits the compressor at a pressure of 90 lbf/in^2 Heat transfer from the compressor to its surroundings occurs at a rate of 9.7 Btu per lb of air flowing. The compressor power input is 90 hp. Neglecting kinetic and potential energy effects and modeling air as an ideal gas,...
An ice-making machine operates on the ideal vapor-compression cycle, using R-134a. The refrigerant enters the compressor...
An ice-making machine operates on the ideal vapor-compression cycle, using R-134a. The refrigerant enters the compressor as saturated vapor at 140 kPa and leaves the condenser as saturated liquid at 600 kPa. Water enters the ice machine at 13oC and leaves as ice at -4oC, while removing heat at 393 kJ per kg of water. Estimate the mass flow rate of the refrigerant and the power input to the ice machine for an ice production rate of 7 kg/h.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT