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Experimental research of heat transfer and flow friction properties in twisted tube heat exchanger;
计算了层流状态下扭曲椭圆管内的流动与换热情况。
The flow friction coefficient increases with the increase of the cooling air Reynolds number and decreases with the rotating Reynolds number.
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。
In high Reynolds number range of 10,000 ~ 90,000, the flow friction factor, local and average convection heat transfer coefficients were determined.
在10,000 ~ 90,000的高雷诺数范围内，测量了流动摩擦系数、局部和平均对流换热系数。
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