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Numerical simulation of three-dimensional unsteady flow field in the cyclone

机译：旋风内三维非定常流场的数值模拟

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Large eddy simulation to describe the turbulent flow of airflow field was used to calculate the unsteady turbulent flow characteristics in the cyclone. It funded that the tangential velocity in the cyclone profile behaved like rankine vortex, with the downward semi-free vortex of the outer layer and the upward forced vortex. With the increasing import gas velocity, the swirling strength of the center increased which reduced collection efficiency by clouding the dust particles in the ash bucket to the center airflow.

机译：用于描述气流场的湍流的大涡流模拟用于计算旋风内的不稳定湍流特性。它资助的是，旋风分裂轮廓的切向速度表现得像兰氏素涡旋，外层的下半自由涡流和向上强制涡旋。随着进口气体速度的增加，中心的旋转强度增加，通过将灰桶中的灰尘颗粒覆盖到中心气流来降低收集效率。

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来源
《IFMME2013》|2013年||共4页
会议地点
作者
Zongrui Hao; Juan Xu; Haiyan Bie; Zhonghai Zhou;
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原文格式 PDF
正文语种
中图分类 78.15083;
关键词
cyclone; tangential velocity; turbulent flow; Large eddy simulation;

机译：旋风;切向速度;湍流;大涡模拟;

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Numerical simulation of three-dimensional unsteady flow field in the cyclone

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