...影响研究_stmopen 关键词】: 桨-涡干扰 广义网格速度法 Euler方程 嵌套网格 旋翼 直升机 [gap=1517]Keywords】: blade-vortex interactiongeneralized grid-velocity approachEuler equationsoverset gridsrotorhelicopter ..
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blade vortex 叶片涡流
blade-to-blade vortex 叶间涡 ; 桨叶间涡
Blade Vortex Interaction 翼桨 ; 涡干扰 ; 桨
BVI Blade Vortex Interaction 桨叶涡旋互相作用
free vortex blade 自由涡流叶片
vortex blade 涡流叶片
The research on the rotor blade-vortex interaction (BVI) noise is a very important aspect and a very challenging subject in the rotorcraft aeroacoustics field.
旋翼桨-涡干扰噪声问题是直升机气动声学领域的一个研究热点和难点。
The method consists of two parts: aerodynamic performance calculation based finite blade vortex theory and aerodynamic optimization design based genetic algorithms.
该方法分为两部分：基于有限片桨叶涡流理论的气动性能计算和采用遗传优化算法的优化设计。
The optimum distribution of circulation on a marine propeller blade is numerically determined by using the lift_line vortex model and variational calculus.
利用螺旋的升力线模型和变分法原理对螺旋桨叶片环量分布进行了数值优化。
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