阻力系数随旋转雷诺数的增大而减小,随冷气雷诺数的增大而增大。
The flow friction coefficient increases with the increase of the cooling air Reynolds number and decreases with the rotating Reynolds number.
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.
随着旋转雷诺数和进气流量系数增加,转盘无量纲过余表面平均温度和无量纲径向表面温差全都下降。
The dimensionless average temperature and dimensionless temperature difference of rotor surface decrease with both of the dimensionless mass flow rate and rotational Reynolds number are increased.
旋转射流对换热的此种影响随雷诺数的增大而减弱。
The effect made by rotary jetting decreases with the increase ment of Reynolds number.
本文还发现当雷诺数从很小值逐渐增大时,两次涡位置发生由左右相对到上下相对的有趣旋转。
As Reynolds number increases from, two vortices of the secondary flow turn around a left-right position to an up-down position.
本文还发现当雷诺数从很小值逐渐增大时,两次涡位置发生由左右相对到上下相对的有趣旋转。
As Reynolds number increases from, two vortices of the secondary flow turn around a left-right position to an up-down position.
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