flyflewflown
Topic Author
Posts: 12
Joined: Thu Jan 21, 2016 9:26 pm

Hypersonic wind tunnel

Sat Nov 18, 2017 8:56 pm

http://www.scmp.com/news/china/policies ... ceec784cd2


is this a concrete step up in an arms/space race or just noise?
rgds
FFF
 
Ozair
Posts: 1812
Joined: Mon Jan 31, 2005 8:38 am

Re: Hypersonic wind tunnel

Sat Nov 18, 2017 11:17 pm

flyflewflown wrote:
http://www.scmp.com/news/china/policies-politics/article/2120072/china-builds-worlds-fastest-wind-tunnel-test-weapons?inf_contact_key=5aae6244f3c45b062cba7e7aca5611268e4826fa8fffe5394714abceec784cd2


is this a concrete step up in an arms/space race or just noise?
rgds
FFF

Just noise I would say. Plenty of other hypersonic wind tunnels around.

https://en.m.wikipedia.org/wiki/List_of_wind_tunnels

The French one looks probably the fastest at the moment.
 
WIederling
Posts: 4695
Joined: Sun Sep 13, 2015 2:15 pm

Re: Hypersonic wind tunnel

Sun Nov 19, 2017 8:48 am

Ozair wrote:
https://en.m.wikipedia.org/wiki/List_of_wind_tunnels


That is a swiss cheese kind of list. holes everywhere. i.e. it is extremely incomplete.
( Looked for the Dutch "freely flyable" windtunnel. not there )
https://www.dnw.aero/wind-tunnels/

Then for a hypersonic regime you can have rather cheap and small discontinuous systems
that feed into a vacuum vessel. They provide couple of ms measuring time.
But you can hide them everywhere.
Murphy is an optimist
 
Ozair
Posts: 1812
Joined: Mon Jan 31, 2005 8:38 am

Re: Hypersonic wind tunnel

Sun Nov 19, 2017 11:13 am

WIederling wrote:
Ozair wrote:
https://en.m.wikipedia.org/wiki/List_of_wind_tunnels


That is a swiss cheese kind of list. holes everywhere. i.e. it is extremely incomplete.

Agree but for the purposes of knowing which wind tunnel is the fastest, biggest, strongest etc it is probably good enough.
 
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TWA772LR
Posts: 5289
Joined: Thu Nov 17, 2011 6:12 am

Re: Hypersonic wind tunnel

Tue Nov 21, 2017 11:00 pm

The first university I went to has a renown aerospace engineering department and their Mach 10 wind tunnel was catty-corner from my dorm.
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