| Titre : | Similarities and differences between the flow factor method by patir and cheng and homogenization (2012) |
| Auteurs : | Andreas Almqvist, Auteur ; John Fabricius, Auteur ; Andrew Spencer, Auteur |
| Type de document : | Article : texte imprimé |
| Dans : | Transactions of the ASME . Journal of tribology (Vol. 133 N° 3, Juillet 2011) |
| Article en page(s) : | 05 p. |
| Note générale : | Tribology |
| Langues : | Anglais |
| Index. décimale : | 621.5 (Energie pneumatique. Machinerie et outils. Réfrigération) |
| Tags : | Film flow Hydrodynamics Lubrication Surface roughness |
| Résumé : | Different averaging techniques have proved to be useful for analyzing the effects of surface roughness in hydrodynamic lubrication. This paper compares two of these averaging techniques, namely the flow factor method by Patir and Cheng (P&C) and homogenization. It has been rigorously proved by many authors that the homogenization method provides a correct solution for arbitrary roughness. In this work it is shown that the two methods coincide if and only if the roughness exhibits certain symmetries. Hence, homogenization is always the preferred method. |
| DEWEY : | 621.5 |
| ISSN : | 0742-4787 |
| En ligne : | http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JOTRE9000133000003031702000001&idtype=cvips&gifs=Yes&ref=no |
