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.