| 单词 | suction control |
| 释义 | > as lemmassuction control C3. spec. in Aeronautics, used attributively to designate various devices concerned with controlling flow conditions in the boundary layer, as suction aerofoil, suction control, suction slot, etc. ΚΠ 1933 Gloss. Aeronaut. Terms (B.S.I.) vii. 58 Suction face, the side of an airscrew blade formed by the upper surfaces of its aerofoil elements. 1946 Jrnl. Royal Aeronaut. Soc. 50 431/1 The suction aerofoil exhibits a large discontinuous fall of velocity followed by a gentle rising velocity from the position of the suction slot to the trailing edge. 1950 Jrnl. Royal Aeronaut. Soc. 54 159/2 The suction wing principle must be associated with the flying wing layout for it to be truly advantageous. 1960 Aeroplane 99 268/2 In spite of official reluctance to admit the potentialities of suction control of the boundary layer, the enthusiasts persist in their efforts. 1977 Jrnl. Royal Soc. Arts 125 350/1 The US..flew a modified twin-jet reconnaissance aircraft..in 1966 with suction slots which also achieved a high degree of wing laminar flow. < as lemmas |
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