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Effet des paramètres de conception du piston sur le frottement jupe-chemise

Published online by Cambridge University Press:  23 July 2009

Ridha Mazouzi
Affiliation:
Laboratoire de Mécanique des solides, Université de Poitiers, UMR CNRS 6610, Bd Pierre et Marie Curie, BP 30179, 86962 Futuroscope Chasseneuil Cedex, France
Patrick Maspeyrot
Affiliation:
Laboratoire de Mécanique des solides, Université de Poitiers, UMR CNRS 6610, Bd Pierre et Marie Curie, BP 30179, 86962 Futuroscope Chasseneuil Cedex, France
Ahmed Kellaci
Affiliation:
Centre Universitaire de Khemis-Miliana, route de Theniet el-had, 44225 W.Ain-Defla, Algérie
Driss Djaouad Rahal
Affiliation:
Université des Sciences et de la Technologie Mohamed Boudiaf-Oran, BP  1505 El M'naouar, 31000 Oran, Algérie
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Abstract

Cet article présente un modèle de lubrification mixte en conjonction avec une analyse du mouvement secondaire du piston. Certains paramètres influent ce genre de mouvement tel que l'élasticité de la jupe et la forme de son profil (plat ou bombé). Les résultats montrent que ces paramètres ont une grande influence sur les forces de frottement, et par conséquent, ils ont le potentiel pour optimiser la perte de puissance par frottement du piston.

Type
Research Article
Copyright
© AFM, EDP Sciences, 2009

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