NCSU Supersonic Wind Tunnel
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2:23
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Could someone explain why the shocks have an apparent substantial thickness? I thought shock waves were much thinner than a human hair...
victor13basket 1 day ago
@jmr1068204 For a low speed wind tunnel (Subsonic), its usually driven by fan, for supersonic or hypersonic, you create such high speed flow based off its thermodynamic properties, flow expands and compressed through nozzle and also the design of the wind tunnel itself determines its mach number.
mgtully 4 weeks ago
So what exactly drives a wind tunnel to be able to create these speeds? Is the air pressurized on a far higher scale than say, an air compressor? Or is it some type of motors that help create the wind, as well?
jmr1068204 1 month ago
@LTF85199 it's hard to understand what you're even asking. one of the reasons they need swept wings is because the aircraft has to remain within it's own shockwave. if the wings are straight and long then it won't be able to go as fast. if you're talking about using a "higher width" as in increasing the distance from the leading edge of the wing to the trailing edge, that would be bad as it would give it a lower aspect ratio and create significantly more drag.
4fifty8 10 months ago
and THAT is why NC State is my first choice for university... :-)
GMANinGA250 1 year ago
Why Swept wing on transonic planes (like 767,777 etc) instead of a wider and same camber tapered wing?
I know it is designed to increase critical Mach number. But Instead of sweeping the wings to achieve a thinner camber to chord ratio, why can't they just build a simple tapered wing with same camber with a higher width to achieve the same goal. By doing this you still have the same area and volume to fit fuel tanks and equipments right? would only loose lateral stability by doing this right?
LTF85199 2 years ago
amazing
5 star stuff!!
abhitheaviator 3 years ago
wow.....that was cool :]
kuramha 3 years ago