It is shown that there are two regions in the cyclone, the steadily tangential flow in the spiral channel and the combined vortex flow in the centre.

计算结果表明，旋风分离器内部的流场分为两部分：螺旋通道内比较稳定的流场和筒体中心区域的复合涡结构流场。

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Combined with the analysis of physical parameters, two kinds of conceptual models of typical regional heavy rainstorm systems about strong frontal zone and warm vortex are found.

结合物理量场的分析，建立了强锋区和暖涡旋两类典型特大暴雨系统的概念模型。

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The furnace uses the advanced gasification Vortex combustion Combined with positive and negative combustion, many times with the wind, and other advanced technologies.

该炉采用先进的煤气化涡流燃烧正反烧结合，多次配风等先进技术。

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