By Ping Huang

Focusing on uncomplicated lubrication difficulties this ebook bargains particular engineering functions. The ebook introduces equipment and courses for crucial lubrication difficulties and their strategies. it truly is divided into 4 components. the 1st half is set the final fixing equipment of the Reynolds equation, together with ideas of Reynolds equations with varied stipulations and their discrete varieties, corresponding to a steady-state incompressible slider, magazine bearing, dynamic bearing, gasoline bearing and grease lubrication. the second one half supplies the ‘energy equation solution’. The 3rd half introduces equipment and courses for elasto-hydrodynamic lurbication, which hyperlinks the Reynolds equation with the elastic deformation equation. the ultimate half offers software lubrication courses utilized in engineering.

  • Provides numerical resolution methodologies together with applicable software program for the hydrodynamic and elasto-hydrodynamic lubrication of bearings
  • Offers a transparent advent and orientation to all significant engineering lubrication difficulties and their solutions
  • Presents numerical courses for particular purposes in engineering, with specific themes together with grease-lubricated bearings and fuel bearings
  • Equips these operating in tribology and people new to the subject with the basic instruments of calculation
  • Downloadable courses can be found on the significant other website

With an emphasis on transparent motives, the textual content bargains a radical knowing of the numerical calculation of lubrication for graduate scholars on tribology and engineering mechanics classes, with extra designated fabrics compatible for engineers. this is often an available reference for senior undergraduate scholars of tribology and researchers in thin-film fluid mechanics.

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Additional info for Numerical Calculation of Lubrication: Methods and Programs

Example text

2 Numerical Method for Incompressible and Steady Lubrication of One-dimensional Slider In addition to linear sliders, other types of one-dimensional sliders are curve sliders, composite sliders and stepped sliders. Their characteristics mainly depend on the film thickness h. 5) where X is the dimensionless coordinate, X ¼ x=l; l is the length of the slider; P is the h2 dimensionless pressure, P ¼ p 2 ; and H is the dimensionless film thickness, 6hUl H ¼ h=h2 . 7) H iþ1 þ H i H i þ H iÀ1 and H iÀ1=2 ¼ .

Instantaneous pressure distribution of rectangular plane squeeze. 3. 4, a pressure distribution is given for the instantaneous squeeze velocity and the corresponding film thickness.

Because there is a divergence zone, the pressure in this region is set at zero. 3 Output Parameters After calculation is finished, the dimensionless pressures P(I,J) are output into PRESSURE. DAT by columns of X(I) and by rows of Y(J). 1. 1 Calculation diagram for the incompressible and steady lubrication of a twodimensional slider. 3 give the results of dimensionless film thicknesses and dimensionless pressure distributions, according to the conditions given above for a plane slider (KG ¼ 1) or a curve surface slider (KG ¼ 2).

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