frictional power

Through the simulation experiment of real thrust bearing, frictional power loss first increases and then decreased when the radius of the thrust bearing increases, and it increases when load or speed increases, and it is proportional to both of them.

对模拟真机实验结果的分析表明，摩擦功耗随止推面半径的增大先增大后减少；随着载荷和转速的增大而增大并都成正比关系。

The frictional coefficient plays important role to the frictional power loss of gears and the time-varying coefficient was analyzed.

在对齿轮啮合过程中摩擦因数分析的基础上，对外啮合齿轮摩擦功耗进行了分析计算。

Compared to the outer race, the spin frictional power of ball on the inner race and the temperature rise of inner race are greatly affected by all the three operating parameters.

相比于外圈，球在内圈自旋摩擦功率和温升显著的受轴向载荷、内圈转速和摩擦系数的影响。

With the minimum frictional power loss and the maximum "the minimum oil film thickness" as the optimum objectives, the marine stern tube bearing is optimized by adjusting the length to diameter ratio, the clearance ratio and the altitude angle ratio.

并分别以功耗最小、最小油膜厚度最大为优化目标，通过改变长径比、间隙比、偏角比对尾管轴承进行了优化设计。