1) unsteady vortex lattice method
非定常涡格法
1.
Furthermore,the theoretical expression of the unsteady vortex lattice method(UVLM) was developed from the Hess-Smith panel method by using equivalence of normal dipole and vorticity distribution.
在此基础上,从面元法出发,根据偶极子分布与漩涡分布的等效性,发展得到非定常涡格法的理论公式,利用非定常涡格法分析刚性胸鳍的水动力性能。
2.
An unsteady vortex lattice method and a potential based panel method are applied for predicting the unsteady performances of the propeller and the rudder behind the propeller respectively.
基于对桨舵干扰的系统研究 ,本文提供了一个桨舵非定常干扰问题的理论计算方法 ,桨采用非定常涡格法 ,舵采用基于速度势的非定常面元法。
3.
Formulations of the lift and the thrust are derived based on the three-dimensional unsteady vortex lattice method,and the effect on instantaneous shape velocity is analyzed.
推导了新的基于空间非定常涡格法的扑翼飞行器升力和推力的计算公式,然后分析了瞬时形状速度对它们的影响。
2) unsteady vortex-lattice method
非定常涡格法
1.
The three-dimension unsteady vortex-lattice method was used to calculate the aerodynamic performance of flapping-wing MAV simulating pigeons,and the effect of the parameters analyzed was,such as the angle of attack,the angle of flapping,flying speed,flapping frequency and the advance ratio.
以鸽子的特征尺寸以及飞行方式作为研究的主要对象和研制微型扑翼飞行器的模拟目标,使用空间非定常涡格法对仿鸽扑翼飞行器进行了气动性能的计算,分析了迎角、扑动角、飞行速度、扑动频率和推进比等参数对微型扑翼飞行器的气动性能的影响,对扑翼飞行器的设计有一定的参考作用。
4) unsteady confined wakes
非定常尾涡
5) unsteady vortex shedding
非定常旋涡脱落
6) unsteady vortex flow
非定常旋涡流动
1.
The flowfield in turbomachinery is characterized by unsteady vortex flow.
轴流压气机内流动是典型的非定常旋涡流动,而现有压气机分析设计体系在定常假设下以流场空间结构为对象。
补充资料：常格
1.惯例;通例。 2.诗文﹑绘画﹑书法等艺术的习见的或平常的格调。
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参考词条