单词	airfoil
释义	airfoil noun air·​foil ˈer-ˌfȯi(-ə)l  : a body (such as an airplane wing or propeller blade) designed to provide a desired reaction force when in motion relative to the surrounding air Example Sentences Recent Examples on the Web Pratt is set to open a casting foundry and airfoil production facility in Asheville, North Carolina. Stephen Singer, courant.com, 30 Mar. 2022 The shape of the airfoil is the key to noise generation here. Manasee Wagh, Popular Mechanics, 11 Mar. 2022 The rear end flies a tall biplane setup with a large wing perched above a second smaller airfoil. K.c. Colwell, Car and Driver, 7 Feb. 2022 Lacking an airfoil, the coaster twists from horizontal to vertical, quickly negating any chance at maintaining a Frisbee-like trajectory. David Kindy, Smithsonian Magazine, 2 Aug. 2021 The curved rim on a Frisbee acts as an airfoil, which generates lift almost like an airplane wing. David Kindy, Smithsonian Magazine, 2 Aug. 2021 The horizontal airfoil surface of the tail group is about the size of the wing of a small bomber. Popular Mechanics Editors, Popular Mechanics, 3 June 2021 While the wing's orientation is important, the airfoil design, or the shape of the wing's profile viewed from the side-on, might be even more so. Walter J. Boyne And Alex Hollings, Popular Mechanics, 23 May 2021 The largest hurdle in the progression of VAWT designs is the lack of a proper airfoil shape and troubles with the braking systems, which drive unit costs up. Ariel Cohen, Forbes, 20 May 2021 See More Word History First Known Use 1919, in the meaning defined above
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