Streamline shape
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A streamlined object is an object that, when placed in a flow, has a shape in which the streamlines that run along its surface do not leave the object until the end. The resistance that a streamlined object experiences is mostly viscous resistance, and pressure resistance does not work, so it is extremely small compared to objects of other shapes. The wing cross section and fuselage of an airplane are both streamlined. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
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流れの中に物体を置いたとき，物体表面に沿う流線が最後まで物体を離れないような形をいう。流線形の物体の受ける抵抗は，粘性抵抗がほとんどで，圧力抵抗が働かないため，他の形の物体に比べてきわめて小さい。飛行機の翼断面や胴体の形は流線形になっている。
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