†(a) a large pipe for ventilation (obsolete); (b) = wind tunnel n. at wind, n.1 compounds 2.
| 单词 | θ75811 |
| 释义 | the world > matter > physics > mechanics > dynamics > fluid dynamics > [noun] > aerodynamics > wind tunnels (10) air tunnel1805 †(a) a large pipe for ventilation (obsolete); (b) = wind tunnel n. at wind, n.1 compounds 2. tunnel1911 Aeronautics. A wind tunnel (wind, n.1 compounds 2). wind tunnel1911 a tunnel-like apparatus for producing an air-stream of known velocity past models of aircraft, buildings, etc., in order to investigate flow or… wind-channel1918 = wind tunnel n. below. smoke tunnel1931 a wind tunnel into which smoke can be introduced to make the airflow visible. spinning tunnel1934 a wind tunnel with a vertical air flow for testing the behaviour of model aircraft in simulated spins; also free-spinning tunnel. hotshot1957 Physics. attributive. Designating a wind tunnel in which an arc discharge in a pressurized chamber is used to produce a hypersonic pulse of gas in an… Subcategories:— parts of (2) — specific stream of air in (1) |
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