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Experimental Study on the Concentration Distribution of Solid Particles in Centrifugal Impellers

机译：离心叶轮中固体颗粒浓度分布的实验研究

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摘要

Experimental study on the concentration distribution of solid particles in centrifugal slurry impellers has been performed by means of high-speed photography and digital image processing technique while the particle content is less than 12 percent. The results show that the concentration is higher in the area near the pressure surface of the blade than that at other area through the blade-to-blade flow passage due to the action of inertia. The concentration distribution tends to be even at the leading edge of the impeller with the increase of the particle content. The test also shows that the particle content almost have no influence on concentration at the exit of impellers.
机译：通过高速摄影和数字图像处理技术进行了对离心浆料叶轮中固体颗粒浓度分布的实验研究，而颗粒含量小于12％。结果表明，由于惯性的作用，叶片的压力表面附近的区域浓度高于叶片的压力表面附近的区域。浓度分布甚至在叶轮的前缘随颗粒含量的增加而处于叶轮的前缘。该测试还表明，颗粒含量几乎对叶轮出口处的浓度几乎没有影响。

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