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Mathematical simulation of gas-dust flow in a nozzle-type separator
Thermophysics and Aeromechanics ( IF 0.5 ) Pub Date : 2020-05-11 , DOI: 10.1134/s0869864320010096
I. Kh. Enikeev

The study is about developing a gasdynamic model of motion of multispeed continua for the case of nozzles with complex geometry. These nozzles imitate the shape of a two-stage confiisor-shaped dust cleaner. The paper studied the influence of force interaction between the gas phase and solid phase in the flow duct of the nozzle; this effect was studied for a wide range of input flow parameters. A special focus was on the regimes of gas-solid flows through curved channels for the case of high loads of solids at the nozzle inlet. A mathematical model was developed that takes into account the impact from the wall-bounced particles upon the distributions of gas phase and solid phase for the entire region. It was shown that account for particle bouncing produces an extremum in solids concentration distribution in the flow duct of the separator.

中文翻译:

喷嘴式分离器中气尘流动的数学模拟

该研究是针对具有复杂几何形状的喷嘴开发多速连续运动的气体动力学模型。这些喷嘴模仿了两级过滤器形状的除尘器的形状。研究了喷嘴流道中气相和固相之间力相互作用的影响。对于各种输入流量参数都研究了这种效果。在喷嘴入口处有大量固体的情况下,应特别关注通过弯曲通道的气固流态。建立了一个数学模型,该模型考虑了壁反弹粒子对整个区域气相和固相分布的影响。结果表明,考虑到颗粒的弹跳,在分离器的流道中产生了固体浓度分布的极值。
更新日期:2020-05-11
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