Uploaded June 2019 | Updated September 2026, 4 hours ago

---

#VDEngineering #Rockets #Propulsion #RocketScience #compressibleflow

In this video we are going to be solving four common problems in compressible fluid mechanics. Each question will cover different areas of fluid mechanics namely; Shock Waves, Sonic Boom, Sound Transmission, Rocket Propulsion, Hypersonic Flight, Fanno Flow, Rocket Propulsion and the Thrust Equation

Timestamps and Questions:

Question 1 at 00:35 - Plane passes you at speed of 3500 knots, 1000 feet above. Temperature on PFD = 10 C, After how long do you hear it?

Question 2 at 02:00 - Air at M = 5.25 and 35 kPa, at -45 C flows over the inlet ramp of a hypersonic aircraft at an angle of 20 degrees. Calculate the pressure, temperature and velocity of the air beyond the inlet.

Question 3 at 04:50 - Air at M = 2.1 and 600 kPa static, flows in a duct that is 0.5 m in dia and 2m long, friction = 0.025, find M and pressure at duct exit

Question 4 at 07:55 - Rocket engine stores fuel at 2500 K and 304 kPa, nozzle throat area = 0.1 m^2 and exit area = 1.2 m^2, find the thrust, gamma = 1.3, R = 475 J/kg K, It is fired where the pressure outside = 95 kPa.

About Me: 16:30

I also recommend that you watch my rocket propulsion videos if you are having difficulty understanding how the rocket engine question is solved.

Thanks for watching!

Best Wishes,
Vinayak D.

My Instagram: instagram.com/vinayak_desh
My Website: vinayakd.com