利用高速摄影技术对离心泵叶轮中固体颗粒运动轨迹及其规律进行了试验研究。
Experimental study on moving trajectories of solid particles and their motion pattern in centrifugal pump impellers has been carried out by using high speed photograph technique.
采用离散相模型(DPM)，模拟固体颗粒运动轨迹，并对固体颗粒的除尘效率进行分析。
Discrete phase model (DPM) was applied to simulate the trajectory of solid particles, and the collection efficiency of solid particles was analyzed.
通过频谱分析，考察了壁面的存在对空泡频率响应特性和湍强度等方面的影响，并与壁面对固体颗粒运动的影响进行了比较。
The influences of wall on the frequency response of the bubble and the turbulent intensity of the bubble motion have been analyzed through frequency spectrum analysis method.
旋风分离器是一种利用气固两相流体的旋转运动使固体颗粒在离心力的作用下从气流中分离出来的设备。
Cyclone separator is a kind of equipment that USES rotary motion of gas-solid two-phase fluid to make the solid particle separated from the gas flow by centrifugal force.
所得结果表明应力偶流体运动特性不仅依赖于物质粘性常数，而且强烈地依赖于应力偶流体特有的与固体颗粒尺度有关的物性常数。
The results show that the couple stress fluid flow behavior depends on not only the coefficient of viscosity, but also the material constant responsible for the couple stress parameter.
随机模型能用于研究流动中单个颗粒的运动，但很难解释固体颗粒之间相互作用的机制。
Stochastic models can be used to approach the motion of a singular particle in the fluid, however, it is hardly expected to elucidate the mechanism of the interaction among the solid particles.
旋风分离器内部进行的是两相流运动，是气相和固体颗粒相的分离过程，而固体颗粒的运动在很大程度上取决于分离器内湍流的运动。
Two-phase flow in the cyclone separator is a process of the solid particle separation from the gas phase, while the particle movement trace is decided by the turbulence to a large extent.
模拟结果与已有实验结果吻合，说明采用雷诺应力湍流模型能准确描述超高速离心叶轮中固体颗粒的运动轨迹。
The conclusions show that Reynolds stress model can be used to describe the tracks of particles in the extra-high speed centrifugal impeller accurately.
通过求解bbo方程，给出了描述水力旋流器内固体颗粒与流体介质相对运动的跟随性指标。
By resolving BBO equation, some parameters describing the lags between particles and medium was derived and analyzed.
沉降性浆体中固体颗粒处于滑跳移运动状态时，固体颗粒将受到摩擦力的影响。
When the solid particle was in slipping or jumping motion state in slurry flow, the solid particle will be influenced by frictional force.
用试验方法研究了固体粒子绕流园管的换热系数，得出了换热系数与固体粒子的平均直径、粒度分布、颗粒运动速度等参数的关系曲线和关系式。
By experiment, the curves and equations of relationship between the heat transfer coefficient and parameters of average diameter, particle size distribution and particle speed are obtained.
用试验方法研究了固体粒子绕流园管的换热系数，得出了换热系数与固体粒子的平均直径、粒度分布、颗粒运动速度等参数的关系曲线和关系式。
By experiment, the curves and equations of relationship between the heat transfer coefficient and parameters of average diameter, particle size distribution and particle speed are obtained.
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