旋涡场 eddy field
- 建立了二维浅水流动的旋涡诱导速度公式,在已知旋涡场和胀量场时,由该表达式可确定流动速度场。
A formula is deduced for the velocity induced by the vortices in two-dimensional shallow water flows and it is used to correct the Biot-Savart law. - 激光-超声方法是通过测量由流动引起的超声脉冲信号在两束或更多来激光之间传递的时间差实现旋涡场测量的。
Our laser - ultrasonic method is better than existing laser methods for measuring flows. So we use our laser - ultrasonic method to measure the vortex field of the flow. - 如同不可压流动,在可压缩流动中旋涡同样具有场与物质两重特征。
As in the incompressible flow, the Field and Matter Bicharacteristics of Vortex also have been demonstrated.
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