为了探求气固两相圆湍流射流的特性，研究了不同雷诺数对气固两相圆湍射流的影响。

To study the characteristics of the gas-particle turbulent round jet, the effects of Reynolds number on the round jet were investigated.

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风扇环形外腔产生的正压湍流射流在内腔负压汇流作用下形成锥形风幕流场，将处于流场范围内的气体及粉尘严密封闭起来，使安全生产得到保障。

The tapered windscreen flow field of the fan is composed of the outer ring turbulent jet and the inner sink, which tightly closes gas and dust to ensure the safety production.

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团聚室中引入气固射流，使团聚室内形成局部湍流，强化颗粒间的碰撞。

In order to intensify the collision among the inhalable particles, a gas-solid jet flow was introduced into the agglomeration chamber to generate a local turbulent flow field.

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