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Non-Newtonian effects on film formation in grease lubricated radial lip seals
SKF Engineering & Research Center, Nieuwegein.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0003-1454-1118
2009 (English)In: Society of Tribologists and Lubrication Engineers annual meeting & exhibition 2009: Lake Buena Vista, Florida, USA, 17 - 21 May 2009, Red Hook, NY: Curran Associates, Inc., 2009, p. 140-142Conference paper, Published paper (Refereed)
Abstract [en]

This study investigates the high shear rheology of grease and determines whether the "normal stress effect" can significantly contribute to film formation in radial lip seal applications. Rheology measurements and a rheology model for the grease have been developed to model the normal stress at high shear rates. Subsequently, a seal lip model is developed to predict lift forces, generated by the normal stress effect. The model predicts lift forces over 50% of the seals specific lip force for low contact pressure bearing seals.

Place, publisher, year, edition, pages
Red Hook, NY: Curran Associates, Inc., 2009. p. 140-142
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-32092Local ID: 6760e300-334f-11df-b933-000ea68e967bISBN: 978-1-615-67437-4 (print)OAI: oai:DiVA.org:ltu-32092DiVA, id: diva2:1005326
Conference
Society of Tribologists and Lubrication Engineers annual meeting & exhibition : 17/05/2009 - 21/05/2009
Note
Godkänd; 2009; 20100319 (andbra)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-01-14Bibliographically approved

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