Air enters a convergent-divergent nozzle with stagnation conditions of 400 kPa and 400 K. The area ratio of the nozzle is 4. After passing through the nozzle, the flow enters a duct where heat is added. At the end of the duct there is a normal shock wave. The stagnation temperature upstream of the shock wave is 500 K. Assuming isentropic flow in the nozzle and Rayleigh flow in the duct, calculate the heat added and the stagnation pressure loss.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Air enters a convergent-divergent nozzle with stagnation conditions of 400 kPa and 400 K.
The area ratio of the nozzle is 4. After passing through the nozzle, the flow enters a duct
where heat is added. At the end of the duct there is a normal shock wave. The stagnation
temperature upstream of the shock wave is 500 K. Assuming isentropic flow in the nozzle and
Rayleigh flow in the duct, calculate the heat added and the stagnation pressure loss.
[Ans. Q = 100.5 kJ/kg. Poi – Po2 = 233.37 kPa]
Transcribed Image Text:Air enters a convergent-divergent nozzle with stagnation conditions of 400 kPa and 400 K. The area ratio of the nozzle is 4. After passing through the nozzle, the flow enters a duct where heat is added. At the end of the duct there is a normal shock wave. The stagnation temperature upstream of the shock wave is 500 K. Assuming isentropic flow in the nozzle and Rayleigh flow in the duct, calculate the heat added and the stagnation pressure loss. [Ans. Q = 100.5 kJ/kg. Poi – Po2 = 233.37 kPa]
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