蜂窝面的阻尼作用会削弱预旋对密封内温升特性的影响;
The damping effect of the honeycomb can reduce the influence of the inlet preswirl on the total temperature difference.
该预旋角情况下,进气雷诺数对盘面平均努赛尔特数的影响大于旋转雷诺数。
The cooling flow rate have more effects on average nu number than rotating speed in this pre-swirl Angle.
在LL3-9型离心机的基础上,对其进行了改进,制作了预旋器等零部件。
Base on LL3-9 centrifugal, we have improved it and made a prerevolver.
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