IF THERE is a single day when the modern Olympic movement can be said to have taken root, it must be April 10th 1896, when a Greek farm boy, Spyridon Louis, won the marathon in the first Olympic Games ...
Heat is generated either by shearing of the oil film or by rubbing contact. In hydrostatic and hydrodynamic bearings, heat generation at running speeds is the result of oil shear, and the amount of ...
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