Really great episode. Very interesting topics. I really enjoyed the explanation between shockwaves and expansion waves, I would to read any vibliographic resource you may find on it. Congrats for the great work!
Your Mach 7 wind tunnel reminds me of a design I saw 30 years ago built by Dr. Greg Winkelmen. It was a long tube that a rocket fired down to compress the air on the leeward side of a scored diaphragm. A small model is placed in the tube and because of the compressed air in the tube builds up pressure, the excessive air pressure ruptures the diaphragm and hypersonic air is created to pass over the model. Does yours work his way?
Sorry Dr. The ramjet on the underside of the X-15 flown by Pete Knight on that day in 1967 was loaded with sensors and never intended to fire up. It was a simple mock-up developed to use the X-15 as a practical, mechanical wind tunnel. Most authors write that the ramjet was a runner but it was not. I know this because I knew Pete.
This is EXCELLENT!!! Thanks for getting deep into this subject. Imagine how this applies to impact-phase comets that have atomized their chemical-elements (H/O/C/N) and smash into planets at Mach > 30?! 🖖🏾🤔♻
Dr. Combs, I am half complete with a rocket car built to touch Mach 2. It is powered by a Thiokol XLR -99 rocket engine converted to run on methanol and LOX. It was originally used in the X-15. I also have already built a 1,000 mph, rocket racer. Called Sonic Wind. I also designed a hypersonic aircraft and engine using a new type of combustion technology. Would you like to see it? Look me up. Waldo
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very informative talk, thank you so much! compressible flow is always exciting
Interesting with a student run hyper sonic facility.
Really great episode. Very interesting topics. I really enjoyed the explanation between shockwaves and expansion waves, I would to read any vibliographic resource you may find on it. Congrats for the great work!
Thanks a lot for the feedback 🙂
Your Mach 7 wind tunnel reminds me of a design I saw 30 years ago built by Dr. Greg Winkelmen. It was a long tube that a rocket fired down to compress the air on the leeward side of a scored diaphragm. A small model is placed in the tube and because of the compressed air in the tube builds up pressure, the excessive air pressure ruptures the diaphragm and hypersonic air is created to pass over the model. Does yours work his way?
Sorry Dr. The ramjet on the underside of the X-15 flown by Pete Knight on that day in 1967 was loaded with sensors and never intended to fire up. It was a simple mock-up developed to use the X-15 as a practical, mechanical wind tunnel. Most authors write that the ramjet was a runner but it was not. I know this because I knew Pete.
This is EXCELLENT!!! Thanks for getting deep into this subject.
Imagine how this applies to impact-phase comets that have atomized their chemical-elements (H/O/C/N) and smash into planets at Mach > 30?!
🖖🏾🤔♻
Thanks for your nice comment mate! 🙂
Dr. Combs, I am half complete with a rocket car built to touch Mach 2. It is powered by a Thiokol XLR -99 rocket engine converted to run on methanol and LOX. It was originally used in the X-15. I also have already built a 1,000 mph, rocket racer. Called Sonic Wind. I also designed a hypersonic aircraft and engine using a new type of combustion technology. Would you like to see it? Look me up.
Waldo