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.
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 Reynold stress in the outer current field distributes linearly as in the steady flow.
上部流区的雷诺应力沿垂线基本为线性分布；
The sound pressure level at certain distance from the outer shell in flow field is obtained when the vibration velocity of the inner shell is known.
在已知内层壳体振动速度的情况下，计算出流场中距外层壳体一定距离处的声压级。
In order to obtain a more uniformity flow of the dc arc plasma, the large-scale arc hollow electrode plasma generator with an outer magnetic field is designed in this paper.
为了获得比较均匀的大面积直流电弧等离子流，设计了一种利用外磁场驱动电弧旋转的等离子发生器。
In order to obtain a more uniformity flow of the dc arc plasma, the large-scale arc hollow electrode plasma generator with an outer magnetic field is designed in this paper.
为了获得比较均匀的大面积直流电弧等离子流，设计了一种利用外磁场驱动电弧旋转的等离子发生器。
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