| 单词 | flettner rotor |
| 释义 | > as lemmasFlettner rotor 4. A cylinder mounted vertically on a ship and rotated on its axis, so as to provide a forward propulsive force in a crosswind as a result of the Magnus effect. More fully Flettner rotor [ < the name of Anton Flettner (1885–1961), German engineer, who invented it + rotor n.] .Recorded earliest in rotor ship n. at Compounds. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > propulsion machinery > [noun] > rotor used to drive ship rotor1924 1924 Sioux City (Iowa) Jrnl. 7 Nov. 1/5 Germany's biggest sensation since the zeppelin flight, namely Flettner's rotor ship. 1943 R. C. Binder Fluid Mech. xi. 143 The Flettner rotor, which employs the Magnus effect, has been applied to the propulsion of marine vessels. 1982 Winnipeg Free Press 10 Apr. 6/2 The idea of the rotor to propel a ship is not new. 2005 Pop. Sci. Aug. 57/2 Salter wants to outfit each boat with four 60-foot-tall Flettner rotors, which look like smokestacks but act like sails. < as lemmas |
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