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Similarities and differences between the flow factor method by Patir and Cheng and homogenization
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- Almqvist, Andreas (author)
- Luleå tekniska universitet,Maskinelement
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- Fabricius, John (author)
- Luleå tekniska universitet,Matematiska vetenskaper
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- Spencer, Andrew (author)
- Luleå tekniska universitet,Maskinelement
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- (creator_code:org_t)
- 2011-07-28
- 2011
- English.
- In: Journal of tribology. - : ASME International. - 0742-4787 .- 1528-8897. ; 133:3, s. 031702-1
- Journal article (peer-reviewed)
Abstract
Subject headings
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- 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.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Tribologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Tribology (hsv//eng)
- NATURVETENSKAP -- Matematik -- Matematisk analys (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Mathematical Analysis (hsv//eng)
Keyword
- Machine Elements
- Maskinelement
- Matematik
- Mathematics
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Luleå University of Technology
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