有限翼展机翼绕流PPT.ppt

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3、uidMech.23 Finite Wings,下洗(downwash)运动诱导阻力(induced drag),2023/2/25,FluidMech.23 Finite Wings,17,2023/2/25,18,FluidMech.23 Finite Wings,某超临界翼型机翼所受阻力Cw,Cw=Cd+Cf+Ci+Cs Cd:压强阻力(10%)Cf:摩擦阻力(51%)Cd:诱导阻力(35%)Cs:激波阻力(4%)(数据来自普朗特流体力学基础,p237),2023/2/25,FluidMech.23 Finite Wings,19,举力线理论模型,2023/2/25,20,FluidMe

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