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the isentropic efficiency of a nozzle is 0.83
The isentropic efficiency of a nozzle is 0.83....
Argon enters an insulated nozzle at 280 kPa, 1300 K, 10 m/s and exits at 645...
Argon enters an insulated nozzle at 280 kPa, 1300 K, 10 m/s and exits at 645 m/s. Assume argon is an ideal gas and has a constant specific heat. Determine a) The exit temperature of the argon under the actual process (K). b) The ideal exit temperature of the argon (K) under the isentropic process if the isentropic efficiency of the nozzle is 90 percent. c) The exit pressure of the argon (kPa). d) The amount of specific entropy generation...
1. Consider the case of isentropic flow through a nozzle a) What is the critical temperature, Tc,...
1. Consider the case of isentropic flow through a nozzle a) What is the critical temperature, Tc, for the flow? b) Show that the average velocity at any point in the nozzle can be described by:
1. Consider the case of isentropic flow through a nozzle a) What is the critical temperature, Tc, for the flow? b) Show that the average velocity at any point in the nozzle can be described by:
A stable flow of water vapor enters an isentropic nozzle at 40m/s, 440ºC and 7 bar,...
A stable flow of water vapor enters an isentropic nozzle at 40m/s, 440ºC and 7 bar, leaving at 280ºC and 1. 5 bar. Determine nozzle efficiency
3. Diesel engine exhaust gases at 0.3 MPa pressure and 800 K pass through a nozzle, where the nozzle coefficient (G) is 0.98, and expand to a pressure of 0.12 MPa. The hot gases enter to a simple...
3. Diesel engine exhaust gases at 0.3 MPa pressure and 800 K pass through a nozzle, where the nozzle coefficient (G) is 0.98, and expand to a pressure of 0.12 MPa. The hot gases enter to a simple impulse turbine of the turbocharger unit with diameter 0.4 m, nozzle angle 12° and blade coefficient (o) of 0.99. Find: a. Ideal rate of rotation of turbine, in rpm b. The velocity of air leaving the turbine, assuming a symmetric bl c....
3. Diesel engine exhaust gases at 0.3 MPa pressure and 800 K pass through a nozzle, where the nozzle (Cn) is 0.98, and expand to a pressure of 0.12 MPa. The hot gases enter to a simple impulse tu...
3. Diesel engine exhaust gases at 0.3 MPa pressure and 800 K pass through a nozzle, where the nozzle (Cn) is 0.98, and expand to a pressure of 0.12 MPa. The hot gases enter to a simple impulse tu turbocharger unit with diameter 0.4 m, nozzle angle 120 and blade coefficient (cs) of 0.99. Find a. Ideal rate of rotation of turbine, in rpm b. The velocity of air leaving the turbine, assuming a symmetric blade c. Diagram efficiency d....
A turboprop engine consists of a diffuser, compressor, combustor, turbine, and nozzle. The turbine drives a...
A turboprop engine consists of a diffuser, compressor, combustor, turbine, and nozzle. The turbine drives a propeller as well as the compressor. Air enters the diffuser with a volumetric flow rate of 63.7 m3/s at 40 kPa, 240 K, and a velocity of 180 m/s, and decelerates essentially to zero velocity. The compressor pressure ratio is 9 and the compressor has an isentropic efficiency of 85%. The turbine inlet temperature is 1240 K, and its isentropic efficiency is 85%. The...
Air enters a nozzle in a jet engine at a pressure of 500 kPa, temperature of...
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
10. (25 Points) Steam enters an insulated nozzle at 140 psia, 600 F with a velocity...
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...
1. The nozzle shown in the sketch below is designed to accelerate the flow of CO2...
1. The nozzle shown in the sketch below is designed to accelerate the flow of CO2 from a velocity close to zero to one that is rather high. The inlet temperature and pressure are 1000K and 614.705 kPa, respectively, and the nozzle exhausts to the atmosphere at 100 kPa. Using the ideal Gas Tables Determine the outlet velocity and temperature when the expansion through the nozzle is considered to be ideal (reversible); a. b. Calculate the temperature and velocity at...
3. Diesel engine exhaust gases at 0.3 MPa pressure and 800 K pass through a nozzle, where the nozzle coefficient (c ) is 0.98, and expand to a pressure of 0.12 MPa. The hot gases enter to a simpl...
3. Diesel engine exhaust gases at 0.3 MPa pressure and 800 K pass through a nozzle, where the nozzle coefficient (c ) is 0.98, and expand to a pressure of 0.12 MPa. The hot gases enter to a simple impulse turbine of the turbocharger unit with diameter 0.4 m, nozzle angle 12° and blade coefficient (o) of 0.99. Find: a. Ideal rate of rotation of turbine, in rpm b. The velocity of air leaving the turbine, assuming a symmetric blade...
1. Consider the case of isentropic flow through a nozzle a) What is the critical temperature, Tc, for the flow? b) Show that the average velocity at any point in the nozzle can be described by:
1. Consider the case of isentropic flow through a nozzle a) What is the critical temperature, Tc, for the flow? b) Show that the average velocity at any point in the nozzle can be described by:
3. Diesel engine exhaust gases at 0.3 MPa pressure and 800 K pass through a nozzle, where the nozzle coefficient (G) is 0.98, and expand to a pressure of 0.12 MPa. The hot gases enter to a simple impulse turbine of the turbocharger unit with diameter 0.4 m, nozzle angle 12° and blade coefficient (o) of 0.99. Find: a. Ideal rate of rotation of turbine, in rpm b. The velocity of air leaving the turbine, assuming a symmetric bl c....
3. Diesel engine exhaust gases at 0.3 MPa pressure and 800 K pass through a nozzle, where the nozzle (Cn) is 0.98, and expand to a pressure of 0.12 MPa. The hot gases enter to a simple impulse tu turbocharger unit with diameter 0.4 m, nozzle angle 120 and blade coefficient (cs) of 0.99. Find a. Ideal rate of rotation of turbine, in rpm b. The velocity of air leaving the turbine, assuming a symmetric blade c. Diagram efficiency d....
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...
1. The nozzle shown in the sketch below is designed to accelerate the flow of CO2 from a velocity close to zero to one that is rather high. The inlet temperature and pressure are 1000K and 614.705 kPa, respectively, and the nozzle exhausts to the atmosphere at 100 kPa. Using the ideal Gas Tables Determine the outlet velocity and temperature when the expansion through the nozzle is considered to be ideal (reversible); a. b. Calculate the temperature and velocity at...
3. Diesel engine exhaust gases at 0.3 MPa pressure and 800 K pass through a nozzle, where the nozzle coefficient (c ) is 0.98, and expand to a pressure of 0.12 MPa. The hot gases enter to a simple impulse turbine of the turbocharger unit with diameter 0.4 m, nozzle angle 12° and blade coefficient (o) of 0.99. Find: a. Ideal rate of rotation of turbine, in rpm b. The velocity of air leaving the turbine, assuming a symmetric blade...
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