3. An air stream, which is traveling at a Mach number of 1.8, undergoes a normal shock wave. The stagnation pressure and temperature before the normal shock wave are 150 kPa and 350 K, respectively. Determine a) the temperature and the pressure after the normal shock wave, b) the Mach number and the velocity after the normal shock wave and c) the stagnation temperature and pressure after the shock wave and d) the entropy change across the normal shock wave (Ans. a) 325.4 K, 94.3 kPa, b) 0.6165, 223 m/s, c) 350 K, 122.2 kPa, d) 59.55 J/kgK)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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3. An air stream, which is traveling at a Mach number of 1.8, undergoes a normal shock
wave. The stagnation pressure and temperature before the normal shock wave are 150
kPa and 350 K, respectively. Determine
a) the temperature and the pressure after the normal shock wave,
b) the Mach number and the velocity after the normal shock wave and
c) the stagnation temperature and pressure after the shock wave and
d) the entropy change across the normal shock wave
(Ans. a) 325.4 K, 94.3 kPa, b) 0.6165, 223 m/s, c) 350 K, 122.2 kPa, d) 59.55 J/kgK)
Transcribed Image Text:3. An air stream, which is traveling at a Mach number of 1.8, undergoes a normal shock wave. The stagnation pressure and temperature before the normal shock wave are 150 kPa and 350 K, respectively. Determine a) the temperature and the pressure after the normal shock wave, b) the Mach number and the velocity after the normal shock wave and c) the stagnation temperature and pressure after the shock wave and d) the entropy change across the normal shock wave (Ans. a) 325.4 K, 94.3 kPa, b) 0.6165, 223 m/s, c) 350 K, 122.2 kPa, d) 59.55 J/kgK)
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