化摩擦力可以从两个角度来考虑:
(
1
)在轴承的支撑表面减少净抗力(
2
)尽量减少摩
擦力方向的熵增。因此,摩擦系数的分析也可以分为两个不同的方面。在这两种情况下
的优化的不同也得到了讨论。
最后,
文中也讨论得到,
基于摩擦系数的最佳位置一般情况下可从那些不同的承载
能力得出。
因此,
在没有任何压力差异的轴承端面处会出现最小摩擦系数的最佳高度和
长度的比。
基于最佳高度和长度的比值得到的最佳参数以实现最佳条件润滑油流速,
还
介绍了实现最佳的条件,其中承载能力是最大的润滑油消费者。
参考资料:
[1] G.W. Stachowiak and A.W. Batchelor, Engineering tribology (2nd ed), Butterworth
Heinemann, USA (2001).
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(1961).
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ASME Trans
72
(4) (1950), pp.
393
–
400. MathSciNet
[5] F.R. Archibald, The stepped shape film applied to a journal bearing,
Franklin Inst
253
(1)
(1952), pp. 21
–
28.
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—
incompressible
fluid,
J Lubr Tech ASME Trans
91
(4) (1969), pp. 641
–
650.
[7] Hamrock BJ, Anderson WJ. Incompressibly lubricated Rayleigh step journal bearing.
I
—
zero-order perturbation solution. NASA TN D-4839, October 1968.
[8] Hamrock BJ, Anderson WJ. Incompressibly lubricated Rayleigh step journal bearing.
II
—
infinite-length solution. NASA TN D-4873, November 1968.
[9] Schuller FT. Experiments on the stability of water-lubricated Rayleigh step hydrodynamic
journal bearings at zero load. NASA TN D-6514, September 1971.
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Record in Scopus | Cited By in Scopus (2)
[11] W. Jianming and J. Gaobing, The optimal design of the Rayleigh slider bearings with a
power law fluid,
Wear...