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单词 spinning tunnel
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spinning tunnel
spinning tunnel n. a wind tunnel with a vertical air flow for testing the behaviour of model aircraft in simulated spins; also free-spinning tunnel.
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the world > matter > physics > mechanics > dynamics > fluid dynamics > [noun] > aerodynamics > wind tunnels
air tunnel1805
tunnel1911
wind tunnel1911
wind-channel1918
smoke tunnel1931
spinning tunnel1934
hotshot1957
1934 Rep. & Mem. Aeronaut. Res. Committee No. 1578. 2 Tests in the Free Spinning Tunnel were accordingly projected as a check upon the validity of the results which could be obtained with small dynamical models.
1934 Rep. & Mem. Aeronaut. Res. Committee No. 1578. 12 In the spinning tunnel the models are usually about 1/25 scale, and thus the rate of rotation is about five times that of the full scale spin.
1937 Technical Rep. Aeronaut. Res. Committee 1936 I. 452 The R.A.E. Free Spinning Tunnel was brought into use in 1932 to examine the spinning properties of various existing and projected designs of aeroplanes.
1939 Technical Rep. Aeronaut. Res. Committee 1937 I. 552 The effect of mass distribution has been explored as a matter of routine on all designs tested in the spinning tunnel.
1947 A. Pope Wind-tunnel Testing i. 10 The NACA has two free-spinning tunnels, one 15 ft in diameter, the other 20 ft.
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