- noun a tunnel-shaped chamber through which air can be passed at a known speed in order to test the aerodynamic properties of an object such as an aircraft placed inside it
Cars & Driving
- noun a tunnel-like chamber in which a current of air can be maintained at a constant velocity and in which motor vehicles (and aircraft, etc.) are tested to determine their aerodynamic properties and the effects of wind pressure
- A structure through which a controlled stream of wind is directed at a model in order to study the probable effects of wind on a structure.