| 释义 |
- 1
The great number of moving parts, the sliding friction, the reversal of direction at rapid intervals, and the mechanical shock involved all contribute to severe wear. 大量运动部件、滑动摩擦、极短时间内运动方向的变化以及机械冲击等都使摩损加剧。 - 2
The order of slip boundary condition shows an apparent influence on the friction coefficient but only a slight influence on the Nusselt number if compressibility is ignored. 在不考虑可压缩性因素时，滑移边界条件的阶数对阻力系数的影响较大，对换热系数的影响不是十分明显。 - 3
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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