wind-tunnel testing

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• Wind tunnel — A wind tunnel is a research tool developed to assist with studying the effects of air moving over or around solid objects.Ways that wind speed and flow are measured in wind tunnels: * Threads can be attached to the surface of study objects to… …   Wikipedia

• wind tunnel — /wind/, Aeron. a tubular chamber or structure in which a steady current of air can be maintained at a controlled velocity, equipped with devices for measuring and recording forces and moments on scale models of complete aircraft or of their parts …   Universalium

• wind tunnel — noun a structure resembling a tunnel where air is blown at known velocities for testing parts of aircraft • Hypernyms: ↑structure, ↑construction * * * noun, pl ⋯ nels [count] : a long, narrow room through which air is blown in order to test the… …   Useful english dictionary

• Subsonic and transonic wind tunnel — ubsonic tunnelLow speed wind tunnels are used for operations at very low mach number, with speeds in the test section up to 400 km/h ( 100 m/s, M = 0.3). They are of open return type ( losses. Open wind tunnelThe working principle is based on the …   Wikipedia

• Trisonic wind tunnel — The Trisonic Wind Tunnel (TWT) is a wind tunnel in El Segundo, California. It was built by North American Aviation in the 1950s. This tunnel is so named because it is capable of testing in three speed regimes subsonic, transonic, and supersonic,… …   Wikipedia

• altitude wind tunnel — A wind tunnel in which the air pressure, temperature, and humidity can be varied to simulate conditions at different altitudes. In an altitude wind tunnel for testing engines, provision is made for exchanging fresh air for exhaust laden air… …   Aviation dictionary

• Wind engineering — is a field of structural engineering devoted to the analysis of wind effects on the natural or built environment to protect it from possible damage. It includes strong winds which may cause discomfort as well as extreme winds such as tornadoes,… …   Wikipedia

• Wind gradient — In common usage, wind gradient, more specifically wind speed gradientcite book | last = Hadlock | first = Charles | title = Mathematical Modeling in the Environment | publisher = Mathematical Association of America | location = Washington | year …   Wikipedia

• wind — {{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ fierce, harsh, high, stiff, strong ▪ Rain and high winds are forecast. ▪ There was a stiff wind blowing …   Collocations dictionary

• Tunnel (disambiguation) — A tunnel is an underground passage. Tunnel may also mean:Concepts: * Quantum tunneling a quantum mechanical effect * Tunneling protocol a type of computer network protocol * Tunneling (fraud) a process of illegally moving money from companiesIn… …   Wikipedia

• Variable Density Tunnel — Infobox nrhp name = Variable Density Tunnel nrhp type = nhl caption = The tank of the Variable Density Tunnel arriving in 1922 lat degrees = 37 lat minutes = 4 lat seconds = 43 lat direction = N long degrees = 76 long minutes = 20 long seconds =… …   Wikipedia