Air at 800 kPa and 1200 K enters a converging nozzle with negligible velocity (i.e., these are stagnation or total values). The throat area of the nozzle is 10 cm². Calculate and plot the exit pressure, exit velocity, and mass flow rate versus back pressure (exit pressures) from 100 kPa to 800 kPa by 100 kPa.

Air at 800 kPa and 1200 K enters a converging nozzle with negligible velocity (i.e., these are stagnation or total values). The throat area of the nozzle is 10 cm². Calculate and plot the exit pressure, exit velocity, and mass flow rate versus back pressure (exit pressures) from 100 kPa to 800 kPa by 100 kPa.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

Air enters a converging–diverging nozzle with low velocity at 2.4 MPa and 120°C. If the exit area of the nozzle is 3.5 times the throat area, what must the back pressure be to produce a normal shock at the exit plane of the nozzle?
Air enters a converging–diverging nozzle at a pressure of 1200 kPa with negligible velocity. What is the lowest pressure that can be obtained at the throat of the nozzle?
Air flows isentropically through a converging nozzle into a receiver where the absolute pressure is 240 kPa. Air enters the nozzle with negligible velocity, 406 kPa (abs.) of pressure, at a temperature of 95 oC. Determine the mass flow rate through the throat of this nozzle wich area is 0.01 m^2.
Air at 900 kPa and 400 K enters a converging nozzle with a negligible velocity. The throat area of the nozzle is 10 cm2. Approximating the flow as isentropic, calculate and plot the exit pressure, the exit velocity, and the mass flow rate versus the back pressure Pb for 0.9 ≥ Pb ≥ 0.1 MPa.
A convergent-divergent nozzle with an exit-to-throat area ratio of 1.616has exit and reservoir pressures equal to 0.947 and 1.0 atm, respectively.Assuming isentropic flow through the nozzle,calculate the mass flow through the nozzle, assuming that the reservoir temperature is 288 K and the throat area is 0.3 m2.
When we think of nozzles, we normally think of flow passages whose cross-sectional area decreases in the flow direction. Why do we need Converging–Diverging Nozzles?
Q2/ Air flows isentropically in a converging-diverging nozzle with initial Ma = 0.2, pressure = 1 MPa and temperature 27 C. Find the exit temperature, pressure and velocity at Ma = 1.8
Helium enters a converging–diverging nozzle at 500 kPa, 450 °C, and 550 km/h. Calculatethe lowest temperature and pressure at the throat of the nozzle?
Air at 1 MPa and 600°C enters a converging nozzle with a velocity of 150 m/s. Determine the mass flow rate through the nozzle for a nozzle throat area of 50 cm2 when the back pressure is (a) 7 MPa and (b) 4.0 kg/cm?.
D5. A converging-diverging nozzle operates with air and subsonic flow at the inlet and supersonic flow at the outlet with no shacks inside the nozzle. Determine the mach number and static pressure at the outlet if the area of the outlet is 0.900 m2, the area of the throat is 0.490m2, and the stagnation pressure is 215 kPa.
1)Air is supplied to a converging nozzle from a large reservoir where the temperature and pressure are 400 Kand 150 kPa, respectively. At a certain cross-section where the area Is 0.01 m2, the pressure and velocity are 100 kPa and 120 ms·', respectively. Assuming adiabatic flow, find the Mach number at this cross-section and determine the mass flow rate. 2) Helium flows adiabatically through a duct. At some section, where the area is 0.02 m2, the velocity is 500 ms·1 and the pressure is 100 kPa. Find the Mach number at the given section, and determine the mass flow rate if the stagnation temperature is 300 K
Combustion gases with k = 1.33 enter a converging nozzle at stagnation temperature and pressure of 350°C and 400 kPa, and are discharged into the atmospheric air at 20°C and 100 kPa. The lowest pressure that will occur within the nozzle is (a) 13 kPa (b) 100 kPa (c) 216 kPa (d ) 290 kPa (e) 315 kPa