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Problem 4.021 Your answer is partially correct. Try again. Refrigerant 134a enters a well-insulat...
Refrigerant 134a enters a well-insulated nozzle at 14 bar, 60°C, with a velocity of 40 m/s...
Refrigerant 134a enters a well-insulated nozzle at 14 bar, 60°C, with a velocity of 40 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: (a) the exit temperature, in K.
1 Steam enters a well-insulated nozzle at 300 lbf/in.2, 600°F, with a velocity of 100 ft/s...
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Steam enters a well-insulated nozzle at 300 lbf/in.2, 600°F, with a velocity of 100 ft/s and exits at 60 Ibf/in.2 with a velocity of 1800 ft/s. For steady-state operation, and neglecting potential energy effects, determine the exit temperature, in °F OF
Question 1 Refrigerant 134a enters an insulated diffuser as a saturated vapor at 80°F with a...
Question 1 Refrigerant 134a enters an insulated diffuser as a saturated vapor at 80°F with a velocity of 1400 ft/s. The inlet area is 1.4 in2. At the exit, the pressure is 400 lb/in and the velocity is negligible. The diffuser operates at steady state and potential energy effects can be neglected. Determine the mass flow rate, in Ib/s, and the exit temperature, in °F
Problem 4.041 SI Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor...
Problem 4.041 SI Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°C with a volumetric flow rate of 0.18 m3/s. Refrigerant exits at 9 bar, 70°C. 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.
A) Steam enters a horizontal pipe operating at steady state with a specific enthalpy of 2,663 kJ/...
A) Steam enters a horizontal pipe operating at steady state with a specific enthalpy of 2,663 kJ/kg and a mass flow rate of 0.1 kg/s. At the exit, the specific enthalpy is 1,531 kJ/kg. If there is no significant change in kinetic energy from inlet to exit, determine the rate of heat transfer between the pipe and its surroundings, in kW. B) Refrigerant 134a enters a horizontal pipe operating at steady state at 40°C, 3.1 bar and a velocity of...
Refrigerant 134a enters a turbine with a mass flow rate of 12 kg/s at 54°C, 3...
Refrigerant 134a enters a turbine with a mass flow rate of 12 kg/s at 54°C, 3 MPa, while the velocity is negligible. The refrigerant expands in the turbine to a saturated vapor at 400 kPa where 10 percent of the steam is removed for some other use. The remainder of the refrigerant continues to expand to the turbine exit where the pressure is 5 kPa and quality is 75 percent. If the turbine is adiabatic, determine the rate of work...
Problem 4.040 SI Refrigerant 134a enters an air conditioner compressor at 4 bar, 20°C, and is...
Problem 4.040 SI Refrigerant 134a enters an air conditioner compressor at 4 bar, 20°C, and is compressed at steady state to 12 bar, 80°C. The volumetric flow rate of the refrigerant entering is 8.5 m3/min. The work input to the compressor is 127.5 kJ per kg of refrigerant flowing Neglecting kinetic and potential energy effects, determine the magnitude of the heat transfer rate from the compressor, in kw kW the tolerance is +/-596 Click if you would like to Show...
Problem 4.033 Air enters an uninsulated nozzle operating at steady state at 760°R with negligible velocity...
Problem 4.033 Air enters an uninsulated nozzle operating at steady state at 760°R with negligible velocity and exits the nozzle at 520°R with a velocity of 1010 ft/s. Assuming ideal gas behavior and neglecting potential energy effects, determine the heat transfer per unit mass of air flowing, in Btu/lb. Btu/lb the tolerance is +/-2%
Refrigerant 134a enters a horizontal pipe operating at steady state at 50°C, 450 kPa and a...
Refrigerant 134a enters a horizontal pipe operating at steady state at 50°C, 450 kPa and a velocity of 56.9 m/s. At the exit, the temperature is 60 °C and the pressure is 220 kPa. The pipe diameter is 0.03 m. Determine the rate of heat transfer between the pipe and its surroundings, in kW
Steam enters a well-insulated nozzle at 10 bar and 200ºC. It exits as saturated vapor at...
Steam enters a well-insulated nozzle at 10 bar and 200ºC. It exits as saturated vapor at 100 kPa. The mass flow rate is 1 kg/s. What is the steady-state exit velocity? What is the outlet cross-sectional area?
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Steam enters a well-insulated nozzle at 300 lbf/in.2, 600°F, with a velocity of 100 ft/s and exits at 60 Ibf/in.2 with a velocity of 1800 ft/s. For steady-state operation, and neglecting potential energy effects, determine the exit temperature, in °F OF
Question 1 Refrigerant 134a enters an insulated diffuser as a saturated vapor at 80°F with a velocity of 1400 ft/s. The inlet area is 1.4 in2. At the exit, the pressure is 400 lb/in and the velocity is negligible. The diffuser operates at steady state and potential energy effects can be neglected. Determine the mass flow rate, in Ib/s, and the exit temperature, in °F
Problem 4.041 SI Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°C with a volumetric flow rate of 0.18 m3/s. Refrigerant exits at 9 bar, 70°C. 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 a turbine with a mass flow rate of 12 kg/s at 54°C, 3 MPa, while the velocity is negligible. The refrigerant expands in the turbine to a saturated vapor at 400 kPa where 10 percent of the steam is removed for some other use. The remainder of the refrigerant continues to expand to the turbine exit where the pressure is 5 kPa and quality is 75 percent. If the turbine is adiabatic, determine the rate of work...
Problem 4.040 SI Refrigerant 134a enters an air conditioner compressor at 4 bar, 20°C, and is compressed at steady state to 12 bar, 80°C. The volumetric flow rate of the refrigerant entering is 8.5 m3/min. The work input to the compressor is 127.5 kJ per kg of refrigerant flowing Neglecting kinetic and potential energy effects, determine the magnitude of the heat transfer rate from the compressor, in kw kW the tolerance is +/-596 Click if you would like to Show...
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