2. Air enters an adiabatic nozzle with a pressure, temperature, and velocity of 900 kPa 500°C, an...
Air enters an adiabatic nozzle under the following conditions: pressure = 900 kPa temperature = 560°C velocity = 2.7 m/s The air leaves the nozzle at 850 kPa and 480 °C. What is the velocity at the exit of the nozzle? Assume the specific heat is constant and can be taken at the average temperature between the inlet and outlet. air (c) EYES Niel Crews, 2013
Air enters an adiabatic nozzle at 500 kPa and a temperature of 200 °C with a velocity of 100 m/s. It exits the nozzle at a pressure of 100 kPa. Assuming that the expansion through the nozzle occurs reversibly, determine (a) the exit temperature and (b) the exit velocity of the air. The specific heats of air can be assumed to be constant with Cv = 0.742 kJ/kg oC and Cp = 1.029 kJ/kg oC.
Steam enters an adiabatic nozzle at 400 °C and 800 kPa with a velocity of 16 m/s. It leaves the nozzle at 300 °C and 400 kPa. The inlet area of the nozzle is 800 cm2. Determine; a. The mass flow rate through the nozzle, in kg/s Ans. _kg/s b. The volume flow rate of the steam at the exit, in m3/s Ans._ _m3/s The velocity of the steam at the nozzle exit, in c. m/s Ans. m/s
Air enters a nozzle in a jet engine at a pressure of 500 kPa, temperature of 650K, and velocity of 75 m/s. The air exits the nozzle at a pressure of 100 kPa, and the isentropic nozzle efficiency is 82%. a). Determine the velocity of the air at the nozzle exit. b). Determine the rate of entropy generation in the nozzle per kg of air flowing in kW/kgK
5-30 Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm². Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air, and (c) the exit area of the nozzle. Answers: (a) 0.5304 kg/s, (b) 184.6°C, (c) 38.7 cm P = 300 kPa T, = 200°C Vi = 30 m/s A = 80 cm AIR...
2.Air enters an adiabatic nozzle in steady flow at 300 kPa, 200 C and 45 m/sec, and leaves at 100 kPa and 180 m/sec. The inlet area of the nozzle is 110 cm 2. Determine: (a) the mass flow rate through the nozzle, and mdot = _ kg/sec (b) the exit temperature T2 = OC
Carbon dioxide enters an adiabatic nozzle steadily at 1 MPa and 500°C with a mass flow rate of 6000 kg/h and leaves at 100 kPa and 450 m/s. The inlet area of the nozzle is 40 cm2 Determine (a) the inlet velocity and (b) the exit temperature.
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 ?
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.
2. Air enters an isothermal nozzle at a temperature of 300 K, and a velocity of 10 m/s. The nozzle is very poorly insulated, causing a stray heat transfer rate of 10 kW into the system. The outlet of the nozzle is exposed to an ambient pressure of 1 bar and is choked (Mach 1. If the area ratio of the nozzle (A1/A2) is 5, what is: a. The velocity of the nozzle outlet, in [m/s], if the specific heat...