中文摘要：

为了进一步研究旋流器在水力输固技术中发挥的具体作用，以平直管段为例，来研究旋流器在其运动过程中的水力特性，本文采用模型试验和理论分析相结合的方法，对带有不同高度，不同角度的旋流器在不同水力输送工况下的特性进行了研究。结果表明：旋流器上导叶的旋转角度越大，测试断面的轴向速度越小，周向速度越大，径向速度的绝对值越大：旋流器上导叶的高度越高，测试断面的轴向速度越大，周向速度越大，管中心附近的径向流速越大；流量越大，测试断面的轴向速度越大，其周向和径向速度随流量的变化规律因旋流器上导叶的旋转角度不同而不同。

英文摘要：

To understand the specific role of hydrocyclone in hydraulic transportation, a horizontal straight pipeline was used to experimentally test the hydraulic characteristics of hydrocyclone in its motion process. Model test and theoretical analysis were used in this study to examine the behaviors of hydrocyclone with different widths and different angles of guide vanes. It is shown that a larger angle of guide vanes leads to lower axial velocity, greater circumferential velocity, and greater absolute value of radial velocity at test section. The wider the guide vanes, the smaller the axial velocity and the greater the circumferential velocity at test section, and the greater the radial velocity in tube core. When the flow rate is increased, the axial velocity at test section increases, but the trends of changes in circumferential and radial velocities depend on the angle of guide vanes.