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?
Steam enters a well-insulated nozzle at 10 bar and 200ºC. It exits as saturated vapor at...
Superheated steam enters a well-insulated nozzle at 3 bar and 600C and exits at 1 bar and 100 C. If 48 kg/s, find the rate of entropy generation ở in kW/K.
THERMO: QUESTION 5 Saturated water vapor at 12.92 bar enters an insulated throttling valve which drops the pressure to 1.50 bar. Determine the temperature (oC) of the steam at the exit of the valve. Note: Give your answer to two decimal places. QUESTION 6 Air enters an adiabatic diffuser at 320 K and 100 kPa with a velocity of 665.4 m/s. At the diffuser exit, the temperature is 520 K. Determine the velocity (m/s) at the exit of the diffuser....
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...
10. (25 Points) Steam enters an insulated nozzle at 140 psia, 600 F with a velocity of 100 ft/s. It leaves the nozzle at 20 psia, 360°F. The mass flow rate is 10 lbm/s. Find: Ans a) b) Ans. The actual kinetic energy of the steam at the exit, in Btu The exit velocity in ft/s for part a) The exit cross sectional area of the nozzle, in in The nozzle isentropic efficiency (%) Show the actual and the ideal...
Steam enters a nozzle at 850 kPa and 270°C at negligible velocity and discharges at a pressure of 500 kPa. Assuming isentropic expansion of the steam in the nozzle, what is the exit velocity and what is the cross-sectional area at the nozzle exit for a flow rate of 0.75 kg/s ?
Steam enters a well-insulated throttling valve (treat the process as adiabatic) at a mass flow rate of m=15 kg/min with an initial pressure of Pi= 550 kPa and initial temperature Ti= 200ºC and exits at a pressure of Pf= 200 kPa. What is the temperature of the steam upon exiting the valve?
1 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
Steam enters a nozzle operating at steady state at 30 bar, 320 deg C with a velocity of 100 m/sec. The exit pressure and temperature are 10 bar and 200 deg C respectively. The mass rate of flow of steam is 2 kg/sec. Neglect heat transfer and potential energy. Determine, exit velocity in m/sec and inlet and exit flow areas in m2.
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.
Problem 4 Steam enters a nozzle at 500°C and 500 kPa with a velocity of 15 m/s; it exits the nozzle at 200°C and 100 kPa while losing heat at a rate of 30 kW. Given that the mass flow rate of the steam is 1.688 kg/s, determine the velocity of the steam at the nozzle exit.