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機翼後緣<br />
圖3-8<br />
寄生阻力<br />
一架飞机的总阻力就是以上四种阻力的总合,但飞机的阻力互相影响的,以上的<br />
分类只是让讨论方便而已,另外诱导阻力不只出现在翼端,其它舵面都会产生,<br />
只是翼端比较严重,磨擦阻力、形状阻力、寄生阻力与速度的平方成正比,速度<br />
越快阻力越大,诱导阻力则与速度的平方成反比〔如图 3-9〕,所以要减少阻力<br />
的话,无动力飞机重点在减少诱导阻力,高速飞机重点在减少形状阻力与寄生阻<br />
力。<br />
第三节翼面负载<br />
阻<br />
力<br />
磨擦、形狀、寄生阻力<br />
總阻力<br />
誘導阻力<br />
圖3-9<br />
速度<br />
副翼<br />
12
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