... coefficient of friction. The operation of these machines, by their failure to obtain correct data, adduced certain negative evidence which established positive conditions as indispensable in the construction of a machine capable of measuring the friction... Transactions - Page 411879Full view - About this book
| American Society of Mechanical Engineers - Mechanical engineering - 1880 - 562 pages
...of a machine capable of measuring the friction of oils. The following circumstances must be known or preserved constant, — temperature, velocity, pressure,...film of oil between the surfaces, and the mechanical J [TRANSACTIONS OF THE AMERICAN SOCIETY OF MECHANICAL EMGINEERS.J MEASUREMENTS OF THE FRICTION OF LUBRICATING... | |
| American Association for the Advancement of Science - Science - 1881 - 476 pages
...of a machine capable of measuring the friction of oils. The following circumstances must be known or preserved constant, — temperature, velocity ,-pressure,...generated by friction must be reduced to a minimum, and the arrangement of the frictional surfaces must be of such nature that no oil can escape until... | |
| American Association for the Advancement of Science - 1881 - 898 pages
...of a machine capable of measuring the friction of oils. The following circumstances must be known or preserved constant, — temperature, velocity, pressure,...generated by friction must be reduced to a minimum, and the arrangement of the frictional surfaces must be of such nature that no oil can escape until... | |
| 1881 - 898 pages
...the friction of oils. The following circumstances must be known or preserved constant,—temperature, velocity, pressure, area of the frictional surfaces,...generated by friction must be reduced to a minimum, and the arrangement of the frictional surfaces must be of such nature that no oil can escape until... | |
| American Association for the Advancement of Science - Science - 1881 - 916 pages
...following circumstances must bo known or preserved constant,—temperature, velocity, pressure, ftfpn of the frictional surfaces, thickness of the film...generated by friction must be reduced to a minimum, and the arrangement of the friotional surfaces must be of such nature that no oil ran escape until... | |
| John Michels - Science - 1880 - 364 pages
...circumstances which must be known or preserved constant, — temperature, velocity, pressure, area of frictional surfaces, thickness of the film of oil...surfaces, and the mechanical effect of the friction. The radiation of heat generated by friction must be reduced to a minimum, and no oil should be allowed... | |
| 1881 - 346 pages
...of a machine capable of measuring the friction of oils. The following circumstances must bo known or preserved constant, — temperature, velocity, pressure,...generated by friction must be reduced to a minimum, and the arrangement of the frictional surfaces must be of such nature that no oil can escape until... | |
| George Uzziah Wheeler - Friction - 1903 - 188 pages
...obtain a useful machine : — The temperature, the velocity, the area of the frictional surfaces, the thickness of the film of oil between the surfaces, and the mechanical effect of the friction. The machine devised consisted of two annular discs rubbing together, the lower one of hardened tool... | |
| John Michels - Science - 1880 - 508 pages
...circumstances which must be known or preserved constant, — temperature, velocity, pressure, area of frictional surfaces, thickness of the film of oil...surfaces, and the mechanical effect of the friction. The radiation of heat generated by friction must be reduced to a minimum, and no oil should be allowed... | |
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