单词 | shock cone |
释义 | shock conen. 1. Physics. A conical wave front at which there is a sudden change of pressure, such as that generated by a supersonic aircraft or a missile passing through the air. Cf. shock wave n. 1. ΚΠ 1943 K. O. Friedrichs Remarks Refl. Conical Shocks (N.Y. Univ., Appl. Math. Group: Memorandum No. 19) 5 The curvature of the shock cone does not enter. 1947 tr. W. Hantzsche & H. Wendt Cones in Supersonic Flow Nat. Advisory Comm. Aeronautics: Techn. Memorandum No. 1157 ii. 4 At the shock cone with the cone angle 2γ the streamlines are deflected by the angle δ. 2005 B. Lautrup Physics Continuous Matter xxv. 368 What we perceive as a sonic boom is a weak shock cone with half opening angle ɸ0 trailing a supersonic aircraft. 2. Aeronautics. A cone shaped projection fixed in front of the air inlet of a jet engine of a supersonic aircraft, designed to slow the incoming air to a relative speed which is subsonic. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [noun] > fuselage > nose-cap or -cone nose cap1909 1947 Shell Aviation News No. 112. 6/3 Republic is building a fighter aircraft with a needle-nose shock cone to permit supersonic speed. 1961 Aeroplane 101 548/1 The ‘shock cones’ are merely fairings over the boundary-layer bleed, which brings the intakes proud of the fuselage. 2009 H. A. Skaarup Canad. Warplanes i. 169 The Lightning shared a number of innovations first planned for the Miles M.52 including the shock cone and all-moving tailplane. This entry has been updated (OED Third Edition, September 2022). < |
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