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二维襟翼吹气控制的数值模拟 被引量:1

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摘要 合理设计机翼翼型、前缘缝翼和后缘襟翼是飞机增升设计的重要手段,本文主要研究二雏襟翼吹气对翼型升力的影响。吹气襟翼的工作原理是,当襟翼偏转角较大时,由于翼面上表面的气流分离,此时达不到附着流所预计的升力值,可以在襟翼上表面进行吹气控制,吹除后缘的涡流而增大升力,得到预计的升力曲线。本文以NACA23018翼型为基础研究对象,采用非结构网格,在襟翼向下偏转角度45度的情况下,进行襟翼上表面的吹气效应数值模拟与流动控制机理的研究,结果表明此情况下襟翼上表面的吹气控制达到了增加升力和抑制分离的目的。
作者 马海 戚姝妮
机构地区 沈阳
出处 《气动研究与实验》 2010年第2期13-16,共4页 Aerodynamic Research & Experiment
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参考文献4

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同被引文献16

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