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Numerical simulation of fouling deposition in boundary layer of corrugated tube

机译:波纹管边界层中污垢沉积的数值模拟

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A compared study on deposition condition in corrugated tube predicates that flow parameters (inlet velocity and mass flow rate of particles) influence fouling deposition with numerical simulation method. The particulate fouling of calcium carbonate/water is selected as medium. The results show that: in the boundary layer of the corrugated tube, as radial velocity changes rapidly, the particles effected by dominate drag force descend to accretion. The effect of inlet velocity and concentration of particles are decisive. As the inlet velocity increases, the accretion rate occur negative changes. In contrast, the effect of concentration is positive.
机译:瓦楞凿管沉积条件的比较研究谓词流量参数(颗粒入口速度和质量流量)对数值模拟方法的污垢沉积。选择碳酸钙/水的颗粒污染作为培养基。结果表明:在波纹管的边界层中,随着径向速度快速变化,通过主导拖动力来实现的颗粒下降到增量。入口速度和粒子浓度的影响是决定性的。随着入口速度的增加,增率发生负变化。相反,浓度的效果是阳性的。

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