blowdown tunnel

blowdown tunnel

[′blō‚dau̇n ‚tən·əl]
(aerospace engineering)
A wind tunnel in which stored compressed gas is allowed to expand through a test section to provide a stream of gas or air for model testing.

blowdown tunnel

A type of wind tunnel in which stored compressed gas is allowed to expand through a test section to provide a stream of gas or air for model testing. The downstream side may or may not be reduced in pressure to provide greater expansion potential.
References in periodicals archive ?
The blowdown tunnel requires a high-pressure reservoir air supply and auxiliary heat input.
Ground testing for flows up to Mach 12 will be possible in the next generation of auxiliary heated blowdown tunnels.