wind tunnel


wind tunnel

noun

: a long, narrow room through which air is blown in order to test the effects of wind on an airplane, car, etc.

Full Definition of WIND TUNNEL

:  a tunnellike passage through which air is blown at a known velocity to investigate air flow around an object (as an airplane part or model) placed in the passage

First Known Use of WIND TUNNEL

1911

wind tunnel

noun    (Concise Encyclopedia)

Device for producing a controlled stream of air to study the effects on objects such as aircraft moving through air or the effects of moving air on models of stationary objects such as buildings. Applications of wind-tunnel research range from testing of airframes (the structures of aircraft and spacecraft) to research on the boundary layer, turbulence, drag, and lift. Measurements of air pressure and other characteristics at many points on the model yield information about how the total wind load is distributed. In addition to testing the effects of wind on aircraft and spacecraft, studies in wind tunnels have been used to solve design problems in automobiles, boats, trains, bridges, and buildings. See also aerodynamics.

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