本文利用保角变换,用离散涡方法求解了卡门涡街与翼型的相互作用。
Based on the discrete vortex method, a conformal mapping technique is used to solve Karman vortex street-airfoil interaction.
本文根据水洞观察的结果,分析了圆柱体尾流中,卡门涡街形成的原因是由于流动的不稳定性所产生。
Based on the observation and analysis of flow visualization the mechanis of the vortex street has been recognized to be a flow instability probler.
椐此提出通过双钝体诱发卡门涡街增强涡街强度、提高涡街流量计的信噪比,进而降低涡街流量计的流量下限的方法。
The assemble criterion of sensor for design was advanced. At last, a method of increasing signal-to-noise ratio and reducing flux lower limit value of vortex flowmeter was advanced.
将流程泵叶轮叶片和压水室的隔舌看作旋涡发生体,在不同运行工况下在叶片后缘以及隔舌两侧串联发生的卡门涡街的发射频率是不同的。
The emission frequency of the Karman vortex street occurred in series from the blades and tongue is varing with the running condition.
将流程泵叶轮叶片和压水室的隔舌看作旋涡发生体,在不同运行工况下在叶片后缘以及隔舌两侧串联发生的卡门涡街的发射频率是不同的。
The emission frequency of the Karman vortex street occurred in series from the blades and tongue is varing with the running condition.
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