| 1. |
- Holweger, W., et al.
(författare)
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Simplified modelling of lubricants
- 2006
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Ingår i: Automotive and industrial lubrication. - Ostfildern : Techn. Akad. Esslingen. - 3924813620 ; , s. 44-
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Konferensbidrag (refereegranskat)abstract
- A discussion on simplified modeling of lubricants, presented at the 15th International Colloquium Tribology-Automotive and Industrial Lubrication (Ostfildern, Germany 1/17-19/2006), covers algorithms based on empirical data, leading to a more facile handing of the mesoscale state; computation of lubricants; general aspects; and variables influencing the life of machinery elements.
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| 2. |
- Åhrström, Bert-Olof, et al.
(författare)
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Transient elastohydrodynamic limiting shear behaviour related to molecular interaction
- 2005
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Ingår i: Tribology letters. - : Springer Science and Business Media LLC. - 1023-8883 .- 1573-2711. ; 20:3-4, s. 255-262
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Tidskriftsartikel (refereegranskat)abstract
- Previous studies have revealed that friction behave in unexpected ways as pressure increase in a lubricating film. It has been determined that it is not a viscosity-related but rather originating directly from molecular structure. This study strives to elucidate the importance of understanding the properties that govern friction, when undertaking simulation of elastohydrodynamic events. A thorough investigation of the maximum transferable shear stress in the film for a paraffinic mineral oil has been undertaken. A previously stated theory of decreasing friction coefficient with increasing pressure is further substantiated by the current measurements. Classical thermodynamics, in the shape of transient "hot-wire" measurements, have been used to study macro-molecular changes (as function of pressure). The instance of global relaxation correlates nicely to measurements.
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