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.
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