而交流电所产生的电磁力对于绕流涡街、升力、阻力的控制作用,则与所使用的频率有关。
The control effect of electromagnetic force on cylinder wake, lift force and drag force , which was caused by alternating current, is related to its frequency.
“空气动力学”规定了由于绕流反作用在发射飞行器上存在的压力场和载荷。
"Aerodynamics" defines the pressure fields and loads that exist on a launch vehicle due to the reaction of ambient flow.
在超声速或高超声速绕流中,一种很严重的脉动压力环境是由激波边界层相互作用引起的激波振荡。
One of the more severe fluctuating pressure environments encountered in supersonic or hypersonic flows is the shock wave oscillation driven by interaction of a shock wave with boundary layer.
正常状态下,FPSO通过单点系泊装置长期系泊于工作海域,它随着环境载荷的作用绕单点自由转动,此时FPS O受风浪流等载荷的影响较小。
In normal state, FPSO is moored in its operation sea area for a long time by single-point mooring, which is turning with single-point due to environmental loading such as wind, current and waves.
流体在压差作用下,流经绕与中心线成任意角的转轴匀速旋转的圆管时,由于哥氏力的作用,垂直于中心线的截面内将产生二次流。
While an incompressible liquid flows through a rotating inclined-tube with a constant pressure gradient the secondary flow due to Coriolis Force appears on cross section of the tube.
对偶极子磁场作用下的三维钝头体高超声速黏性绕流的化学非平衡流动进行了数值模拟。
Three-dimensional hypersonic viscous chemical nonequilibrium flows around a blunt body are numerically investigated in a dipole magnetic field.
通过理论分析和数值模拟确定了实验控制的关键参数,实现了电磁力消涡和增涡的连续控制,电磁力作用下的圆柱绕流的分离点可以在前驻点和后驻点之间变动。
The key parameters of the experimental controlling have been confirmed by theoretical analysis and numerical simulation. The electrodes and the permanents are flush mounted on the cylinder surfac…
通过理论分析和数值模拟确定了实验控制的关键参数,实现了电磁力消涡和增涡的连续控制,电磁力作用下的圆柱绕流的分离点可以在前驻点和后驻点之间变动。
The key parameters of the experimental controlling have been confirmed by theoretical analysis and numerical simulation. The electrodes and the permanents are flush mounted on the cylinder surfac…
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