Unformatted text preview: shock cause high drag on a blunt nose at supersonic speeds? (1 student) Yes! That’s why supersonic airplanes have pointy noses. Re-entry vehicles are blunt ±or several reasons, one o± them being the ±act that high drag is desirable ±or slowing down during re-enetry. 6. What does “breaking the sound barrier” mean? (1 student) Not much, nowadays. Be±ore 1945, this “barrier” was considered as a technological barrier, rather than something the pilot had to “break”. 7. No mud (4 students)...
View Full Document
- Fall '05
- Aerodynamics, Speed of sound, Shock wave, Supersonic, Sonic boom, Normal Shock Waves