流体力学 作业 怎么翻译The flow of a lubricating oil of viscosity 0.2 Pa.s occurs in a friction bearing such as that shown inFig. A difference in velocity of 0.5 m/s between the upper plate (the rotating wheel) and the stationarylower plate

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流体力学 作业 怎么翻译The flow of a lubricating oil of viscosity 0.2 Pa.s occurs in a friction bearing such as that shown inFig. A difference in velocity of 0.5 m/s between the upper plate (the rotating wheel) and the stationarylower plate

流体力学 作业 怎么翻译The flow of a lubricating oil of viscosity 0.2 Pa.s occurs in a friction bearing such as that shown inFig. A difference in velocity of 0.5 m/s between the upper plate (the rotating wheel) and the stationarylower plate
流体力学 作业 怎么翻译
The flow of a lubricating oil of viscosity 0.2 Pa.s occurs in a friction bearing such as that shown in
Fig. A difference in velocity of 0.5 m/s between the upper plate (the rotating wheel) and the stationary
lower plate (the axle of diameter 5 cm) corresponds to a rate of rotation of 190.6 rpm in Fig. If the
length L of the bearing is 5 cm, calculate the rate at which mechanical energy is degraded to thermal
energy by friction during rotation at 190.6 rpm.
你这不是谷歌的吗 这也不通顺呀

流体力学 作业 怎么翻译The flow of a lubricating oil of viscosity 0.2 Pa.s occurs in a friction bearing such as that shown inFig. A difference in velocity of 0.5 m/s between the upper plate (the rotating wheel) and the stationarylower plate
如图所示 ,在滑动轴承中,润滑油的 粘度0.2Pa.s,上、下板的速度差为 0.5 m/s(怀疑此处是指两板的间隙为0.5mm,这个题目要利用两板之间的间隙通过牛顿内摩擦定律求解,估计原英文为:A difference 0.5mm between the upper plate (the rotating wheel) and the stationary lower plate),上板即为转速为190.6 rpm的轴承套(内表面),下板即为静止不动、轴径为5cm轴颈(外表面).如果轴承长度为5cm,轴承套转速保持190.6 rpm时,试计算由于摩擦而引起的机械能转变为热能的速率.
(这个题其实就是要你把两表面之间的速度看成线性变化的,然后利用牛顿的内摩擦定律计算摩擦力,摩擦力在乘以角速度就是摩擦功率,由于摩擦而消耗的能量可以看成是发热而消耗了,所以这个摩擦功率就是发热功率,即发热的速率)

粘度0.2帕斯卡·秒的润滑油的流动发生在摩擦轴承,例如,在所示
图。在0.5米/秒的上板(转轮)与固定速度之间的差
下板(直径5厘米轴)对应于190.6转速在图旋转的速率。如果
轴承的长度L为5厘米,计算在该机械能降解到热的速率
在190.6转速旋转过程中的能量通过摩擦这不是谷歌的吗...

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粘度0.2帕斯卡·秒的润滑油的流动发生在摩擦轴承,例如,在所示
图。在0.5米/秒的上板(转轮)与固定速度之间的差
下板(直径5厘米轴)对应于190.6转速在图旋转的速率。如果
轴承的长度L为5厘米,计算在该机械能降解到热的速率
在190.6转速旋转过程中的能量通过摩擦

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