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1 个结果
  • 简介:TheMagnusefectiswellknownphenomenaforproducinghighliftvaluesfromspinningsymmetricalgeometriessuchascylinders,spheres,ordisks.But,theMagnusforcemayalsobeproducedbytreadmillmotionofaerodynamicbodies.Toaccomplishthis,theskinofaerodynamicbodiesmaycirculatewithaconstantcircumferentialspeed.Here,anovelwingwithtreadmillmotionofskinisintroducedwhichmaygenerateliftatzeroairspeeds.Thenewwingmayleadtomicroaerialvehicleconfigurationsforverticaltake-oforlanding.Toprovetheconcept,theNACA0015aerofoilsectionwithcirculatingskiniscomputationallyinvestigated.Twocasesofstationaryairandmovingairarestudied.Itisobservedthatliftcanbegeneratedinstationaryairalthoughdragforceisalsohigh.Formovingair,theliftanddragforcesmaybeadoptedbetweentheincidenceangles20to25whereliftcanposseshighvaluesanddragcanremainmoderate.

  • 标签: 微型飞行器 跑步机 运动 机翼 空气速度 气动机构