Numerical analysis of combined influences of inter-asperity cavitation and elastic deformation on flow factors
Abstract Combined influences of inter-asperity cavitation and elastic deformation of rough surfaces on flow factors were investigated based on an extended Reynolds equation for flow factor analyses. The numerical results reveal that when effect of cross-flow of lubricant is not obvious, the pressure...
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| Veröffentlicht in: | Proceedings of the Institution of Mechanical Engineers. Part C, Journal of mechanical engineering science Journal of mechanical engineering science, 2007-07, Vol.221 (7), p.815-827 |
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| container_title | Proceedings of the Institution of Mechanical Engineers. Part C, Journal of mechanical engineering science |
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| creator | Meng, F-M Wang, W-Z Hu, Y-Z Wang, H |
| description | Abstract
Combined influences of inter-asperity cavitation and elastic deformation of rough surfaces on flow factors were investigated based on an extended Reynolds equation for flow factor analyses. The numerical results reveal that when effect of cross-flow of lubricant is not obvious, the pressure flow factor increases, whereas the shear flow factor decreases, for a small ratio of film thickness to roughness, due to influences of inter-asperity cavitation and the elastic deformation of rough surfaces. When the ratio of film thickness to roughness becomes big, however, the influences become weak and can even be negligible. Moreover, the above influences are sensitive to the orientations of rough surfaces. Therefore, combined effects of inter-asperity cavitation and elastic deformation of rough surfaces should be considered in flow factor analyses. |
| doi_str_mv | 10.1243/0954406JMES525 |
| format | Article |
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Combined influences of inter-asperity cavitation and elastic deformation of rough surfaces on flow factors were investigated based on an extended Reynolds equation for flow factor analyses. The numerical results reveal that when effect of cross-flow of lubricant is not obvious, the pressure flow factor increases, whereas the shear flow factor decreases, for a small ratio of film thickness to roughness, due to influences of inter-asperity cavitation and the elastic deformation of rough surfaces. When the ratio of film thickness to roughness becomes big, however, the influences become weak and can even be negligible. Moreover, the above influences are sensitive to the orientations of rough surfaces. Therefore, combined effects of inter-asperity cavitation and elastic deformation of rough surfaces should be considered in flow factor analyses.</description><identifier>ISSN: 0954-4062</identifier><identifier>EISSN: 2041-2983</identifier><identifier>DOI: 10.1243/0954406JMES525</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Asperity ; Cavitation ; Cross flow ; Deformation ; Deformation effects ; Elastic deformation ; Film thickness ; Flow control ; Materials elasticity ; Numerical analysis ; Reynolds equation ; Roughness ; Shear ; Shear flow ; Surface roughness</subject><ispartof>Proceedings of the Institution of Mechanical Engineers. Part C, Journal of mechanical engineering science, 2007-07, Vol.221 (7), p.815-827</ispartof><rights>2007 Institution of Mechanical Engineers</rights><rights>Copyright Professional Engineering Publishing Ltd Jul 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-43e3c40e16b241a0cfd33ceeb87a1f1599b0c07b037708a56645ecd33c06d0943</citedby><cites>FETCH-LOGICAL-c392t-43e3c40e16b241a0cfd33ceeb87a1f1599b0c07b037708a56645ecd33c06d0943</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1243/0954406JMES525$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1243/0954406JMES525$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,777,781,21800,27905,27906,43602,43603</link.rule.ids></links><search><creatorcontrib>Meng, F-M</creatorcontrib><creatorcontrib>Wang, W-Z</creatorcontrib><creatorcontrib>Hu, Y-Z</creatorcontrib><creatorcontrib>Wang, H</creatorcontrib><title>Numerical analysis of combined influences of inter-asperity cavitation and elastic deformation on flow factors</title><title>Proceedings of the Institution of Mechanical Engineers. Part C, Journal of mechanical engineering science</title><description>Abstract
Combined influences of inter-asperity cavitation and elastic deformation of rough surfaces on flow factors were investigated based on an extended Reynolds equation for flow factor analyses. The numerical results reveal that when effect of cross-flow of lubricant is not obvious, the pressure flow factor increases, whereas the shear flow factor decreases, for a small ratio of film thickness to roughness, due to influences of inter-asperity cavitation and the elastic deformation of rough surfaces. When the ratio of film thickness to roughness becomes big, however, the influences become weak and can even be negligible. Moreover, the above influences are sensitive to the orientations of rough surfaces. Therefore, combined effects of inter-asperity cavitation and elastic deformation of rough surfaces should be considered in flow factor analyses.</description><subject>Asperity</subject><subject>Cavitation</subject><subject>Cross flow</subject><subject>Deformation</subject><subject>Deformation effects</subject><subject>Elastic deformation</subject><subject>Film thickness</subject><subject>Flow control</subject><subject>Materials elasticity</subject><subject>Numerical analysis</subject><subject>Reynolds equation</subject><subject>Roughness</subject><subject>Shear</subject><subject>Shear flow</subject><subject>Surface roughness</subject><issn>0954-4062</issn><issn>2041-2983</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFkU1r3DAQhkVooNuk155NC7kUb0afto4hJE1CPg5Jz0aWR0WLbW0lO2H_fbTZHJqS0mFgYOZ534EZQr5QWFIm-DFoKQSoq5uze8nkHlkwELRkuuYfyGI7LPOUfSSfUlpBDqbkgoy384DRW9MXZjT9JvlUBFfYMLR-xK7wo-tnHC2-tP04YSxNWmfJtCmsefSTmXwYs7grsDdp8rbo0IU47Po5XR-eCmfsFGI6JPvO9Ak_v9YD8vP87OH0ory--3F5enJdWq7ZVAqO3ApAqlomqAHrOs4tYltXhjoqtW7BQtUCryqojVRKSLRbBlQHWvADcrTzXcfwe8Y0NYNPFvvejBjm1HAlKYga_g8C1HWldQa__gWuwhzzyVLDuNCgqJIZ-vYviGrQPG8UW2q5o2wMKUV0zTr6wcRNQ6HZvrJ5-8os-L4TJPML_7B8n34GBh-eEA</recordid><startdate>20070701</startdate><enddate>20070701</enddate><creator>Meng, F-M</creator><creator>Wang, W-Z</creator><creator>Hu, Y-Z</creator><creator>Wang, H</creator><general>SAGE Publications</general><general>SAGE PUBLICATIONS, INC</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>3V.</scope><scope>7XB</scope><scope>88I</scope><scope>8AF</scope><scope>8AO</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M2P</scope><scope>M7S</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>Q9U</scope></search><sort><creationdate>20070701</creationdate><title>Numerical analysis of combined influences of inter-asperity cavitation and elastic deformation on flow factors</title><author>Meng, F-M ; Wang, W-Z ; Hu, Y-Z ; Wang, H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-43e3c40e16b241a0cfd33ceeb87a1f1599b0c07b037708a56645ecd33c06d0943</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Asperity</topic><topic>Cavitation</topic><topic>Cross flow</topic><topic>Deformation</topic><topic>Deformation effects</topic><topic>Elastic deformation</topic><topic>Film thickness</topic><topic>Flow control</topic><topic>Materials elasticity</topic><topic>Numerical analysis</topic><topic>Reynolds equation</topic><topic>Roughness</topic><topic>Shear</topic><topic>Shear flow</topic><topic>Surface roughness</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Meng, F-M</creatorcontrib><creatorcontrib>Wang, W-Z</creatorcontrib><creatorcontrib>Hu, Y-Z</creatorcontrib><creatorcontrib>Wang, H</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>ProQuest Central (Corporate)</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>ProQuest Pharma Collection</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Science Database</collection><collection>Engineering Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>ProQuest Central Basic</collection><jtitle>Proceedings of the Institution of Mechanical Engineers. Part C, Journal of mechanical engineering science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Meng, F-M</au><au>Wang, W-Z</au><au>Hu, Y-Z</au><au>Wang, H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Numerical analysis of combined influences of inter-asperity cavitation and elastic deformation on flow factors</atitle><jtitle>Proceedings of the Institution of Mechanical Engineers. Part C, Journal of mechanical engineering science</jtitle><date>2007-07-01</date><risdate>2007</risdate><volume>221</volume><issue>7</issue><spage>815</spage><epage>827</epage><pages>815-827</pages><issn>0954-4062</issn><eissn>2041-2983</eissn><abstract>Abstract
Combined influences of inter-asperity cavitation and elastic deformation of rough surfaces on flow factors were investigated based on an extended Reynolds equation for flow factor analyses. The numerical results reveal that when effect of cross-flow of lubricant is not obvious, the pressure flow factor increases, whereas the shear flow factor decreases, for a small ratio of film thickness to roughness, due to influences of inter-asperity cavitation and the elastic deformation of rough surfaces. When the ratio of film thickness to roughness becomes big, however, the influences become weak and can even be negligible. Moreover, the above influences are sensitive to the orientations of rough surfaces. Therefore, combined effects of inter-asperity cavitation and elastic deformation of rough surfaces should be considered in flow factor analyses.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><doi>10.1243/0954406JMES525</doi><tpages>13</tpages></addata></record> |
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| ispartof | Proceedings of the Institution of Mechanical Engineers. Part C, Journal of mechanical engineering science, 2007-07, Vol.221 (7), p.815-827 |
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| source | SAGE Complete A-Z List |
| subjects | Asperity Cavitation Cross flow Deformation Deformation effects Elastic deformation Film thickness Flow control Materials elasticity Numerical analysis Reynolds equation Roughness Shear Shear flow Surface roughness |
| title | Numerical analysis of combined influences of inter-asperity cavitation and elastic deformation on flow factors |
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