含旋流砂室的数值计算

Xiaoling Wang, Shasha Zhou
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引用次数: 1

摘要

水力工程砂石废水中,由于缺乏对旋转流砂石室水流和颗粒特性的认识,使得砂石室的设计面临很大的困难。本文建立了欧拉-拉格朗日多相模型。以西南某电厂旋流磨砂室为例。得到了不同粒径水的速度场和颗粒轨迹行为,数值计算了不同粒径水的颗粒分布和去除效率。
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The Numerical Computation of Grit Chamber with Rotational Flow
The lack of knowledge about water flow and particle behavior of the grit chamber with rotational flow remains a significant difficulty for the design of these work in sandstone wastewater of hydropower station. In the paper, Eulerian-Lagrangian multi-phase model is set up. The grit chamber with rotational flow in the powerhouse, which is located in southwest of China, is as a case. Velocity field of water and the behavior of particle trajectory of different particles size can be obtained, the distribution of the particle and the removal efficiency of different particle size are numerically computed.
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