| 单词 | profile drag |
| 释义 | > as lemmasprofile drag profile drag n. Aeronautics the part of the drag on an aerofoil or aircraft which arises directly from its profile and from skin friction (i.e. the part not attributable to lift). ΘΚΠ society > travel > air or space travel > specific movements or positions of aircraft > aerodynamic forces and concepts > [noun] > drag > types of parasite resistance1918 profile drag1922 induced drag1926 parasite drag1927 form drag1931 pressure drag1933 parasitic drag1937 wave drag1948 1922 Flight 14 692/2 Prandtl calls this increment of the drag at given lift by the trailing vortex system the ‘induced drag’, and the drag of the wing of infinite aspect ratio and of the same section he calls the ‘profile drag’. 1936 Jrnl. Aeronaut. Sci. 4 13/2 The covering of cellulose acetate may be highly polished to lower the profile drag. 1989 M. Owen Hang Gliding 33 There are two types of drag on a hang glider: profile drag and induced drag. < as lemmas |
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