本文介绍一种采用单片机MCS - 51实现的异步电机滑差频率矢量变换控制系绕,分析并设计了具有参数自适应补偿的系统结构。
This paper describes a slip frequency vector control system of induction motor using chip microcomputer MCS-51. A structure with parameter adaptive compensation is analysed and designed.
本文用H型网格和特殊的差分格式数值求解了粘性不可压缩叶型绕流。
The numerical solution of incompressible viscous flow over an aerofoil is obtained by H-type grids and a special difference scheme.
本文提出了基于微分-积分方程组求解n - S方程的有限差分法求解不可压缩实际粘性流体绕孤立翼型流动。
A finite difference method based on differential-integral equation is presented for the solution of Navier-Stokes equations for incompressible viscous flow.
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.
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.
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