A finite-element-aided ultrasonic method for measuring central oil-film thickness in a roller-raceway tribo-pair
Roller bearings support heavy loads by riding on an ultra-thin oil film (between the roller and raceway), the thickness of which is critical as it reflects the lubrication performance. Ultrasonic interfacial reflection, which facilitates the non-destructive measurement of oil-film thickness, has bee...
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| Veröffentlicht in: | Friction 2022-06, Vol.10 (6), p.944-962 |
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| creator | Dou, Pan Wu, Tonghai Luo, Zhaopeng Yang, Peiping Peng, Zhongxiao Yu, Min Reddyhoff, Tom |
| description | Roller bearings support heavy loads by riding on an ultra-thin oil film (between the roller and raceway), the thickness of which is critical as it reflects the lubrication performance. Ultrasonic interfacial reflection, which facilitates the non-destructive measurement of oil-film thickness, has been widely studied. However, insufficient spatial resolution around the rolling line contact zone remains a barrier despite the use of miniature piezoelectric transducers. In this study, a finite-element-aided method is utilized to simulate wave propagation through a three-layered structure of roller-oil-raceway under elastohydrodynamic lubrication (EHL) with nonlinear characteristics of the i) deformed curvature of the cylindrical roller and ii) nonuniform distribution of the fluid bulk modulus along the circumference of the oil layer being considered. A load and speed-dependent look-up table is then developed to establish an accurate relationship between the overall reflection coefficient (directly measured by an embedded ultrasonic transducer) and objective variable of the central oil-film thickness. The proposed finite-element-aided method is verified experimentally in a roller-raceway test rig with the ultrasonically measured oil-film thickness corresponding to the values calculated using the EHL theory. |
| doi_str_mv | 10.1007/s40544-021-0544-y |
| format | Article |
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Ultrasonic interfacial reflection, which facilitates the non-destructive measurement of oil-film thickness, has been widely studied. However, insufficient spatial resolution around the rolling line contact zone remains a barrier despite the use of miniature piezoelectric transducers. In this study, a finite-element-aided method is utilized to simulate wave propagation through a three-layered structure of roller-oil-raceway under elastohydrodynamic lubrication (EHL) with nonlinear characteristics of the i) deformed curvature of the cylindrical roller and ii) nonuniform distribution of the fluid bulk modulus along the circumference of the oil layer being considered. A load and speed-dependent look-up table is then developed to establish an accurate relationship between the overall reflection coefficient (directly measured by an embedded ultrasonic transducer) and objective variable of the central oil-film thickness. The proposed finite-element-aided method is verified experimentally in a roller-raceway test rig with the ultrasonically measured oil-film thickness corresponding to the values calculated using the EHL theory.</description><identifier>ISSN: 2223-7690</identifier><identifier>EISSN: 2223-7704</identifier><identifier>DOI: 10.1007/s40544-021-0544-y</identifier><language>eng</language><publisher>Beijing: Tsinghua University Press</publisher><subject>Bearing races ; Bulk modulus ; Corrosion and Coatings ; Elastohydrodynamic lubrication ; Engineering ; Film thickness ; Finite element method ; Line contact ; Lookup tables ; Lubrication ; Mathematical analysis ; Measurement methods ; Mechanical Engineering ; Nanotechnology ; Physical Chemistry ; Piezoelectric transducers ; Reflectance ; Research Article ; Roller bearings ; Spatial resolution ; Surfaces and Interfaces ; Thickness measurement ; Thin Films ; Tribology ; Ultrasonic methods ; Ultrasonic testing ; Wave propagation</subject><ispartof>Friction, 2022-06, Vol.10 (6), p.944-962</ispartof><rights>The Author(s) 2021</rights><rights>The Author(s) 2021. 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The proposed finite-element-aided method is verified experimentally in a roller-raceway test rig with the ultrasonically measured oil-film thickness corresponding to the values calculated using the EHL theory.</description><subject>Bearing races</subject><subject>Bulk modulus</subject><subject>Corrosion and Coatings</subject><subject>Elastohydrodynamic lubrication</subject><subject>Engineering</subject><subject>Film thickness</subject><subject>Finite element method</subject><subject>Line contact</subject><subject>Lookup tables</subject><subject>Lubrication</subject><subject>Mathematical analysis</subject><subject>Measurement methods</subject><subject>Mechanical Engineering</subject><subject>Nanotechnology</subject><subject>Physical Chemistry</subject><subject>Piezoelectric transducers</subject><subject>Reflectance</subject><subject>Research Article</subject><subject>Roller bearings</subject><subject>Spatial resolution</subject><subject>Surfaces and Interfaces</subject><subject>Thickness measurement</subject><subject>Thin Films</subject><subject>Tribology</subject><subject>Ultrasonic methods</subject><subject>Ultrasonic testing</subject><subject>Wave propagation</subject><issn>2223-7690</issn><issn>2223-7704</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp1kM1KxDAYRYMoOOg8gLuA62h-m3Y5DP7BgBtdhzRNnWja1CRF-vZ2poorV99Z3Hs_OABcEXxDMJa3iWPBOcKUoCNMJ2BFKWVISsxPf7mo8DlYp-RqzDijgki8AsMGtq532SLrbWf7jLRrbANHn6NOoXcGdjbvQwPbEGfUaYyuf4NmjkbtYXAetc53MO-d-ehtStD1UMMYvLcRRW3sl55gjq4OaNAuXoKzVvtk1z_3Arze371sH9Hu-eFpu9khwyqSkcGSaFYZRrkg1hSiqiVrKa04KQTHljelrhnBohAlJ7yRgpG6MqIUhtSs1ewCXC-7Qwyfo01ZvYcx9vNLRQsuuRRlgecUWVImhpSibdUQXafjpAhWB7dqcatmt-oI09yhSycNBxU2_i3_X_oGfXZ8zg</recordid><startdate>20220601</startdate><enddate>20220601</enddate><creator>Dou, Pan</creator><creator>Wu, Tonghai</creator><creator>Luo, Zhaopeng</creator><creator>Yang, Peiping</creator><creator>Peng, Zhongxiao</creator><creator>Yu, Min</creator><creator>Reddyhoff, Tom</creator><general>Tsinghua University Press</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7RQ</scope><scope>7XB</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M2O</scope><scope>M7S</scope><scope>MBDVC</scope><scope>PADUT</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>Q9U</scope><scope>U9A</scope></search><sort><creationdate>20220601</creationdate><title>A finite-element-aided ultrasonic method for measuring central oil-film thickness in a roller-raceway tribo-pair</title><author>Dou, Pan ; Wu, Tonghai ; Luo, Zhaopeng ; Yang, Peiping ; Peng, Zhongxiao ; Yu, Min ; Reddyhoff, Tom</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c391t-c071a39c32451ec659b73f229416540e4d8ab3105658414d7531b9c585c1b3fa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Bearing races</topic><topic>Bulk modulus</topic><topic>Corrosion and Coatings</topic><topic>Elastohydrodynamic lubrication</topic><topic>Engineering</topic><topic>Film thickness</topic><topic>Finite element method</topic><topic>Line contact</topic><topic>Lookup tables</topic><topic>Lubrication</topic><topic>Mathematical analysis</topic><topic>Measurement methods</topic><topic>Mechanical Engineering</topic><topic>Nanotechnology</topic><topic>Physical Chemistry</topic><topic>Piezoelectric transducers</topic><topic>Reflectance</topic><topic>Research Article</topic><topic>Roller bearings</topic><topic>Spatial resolution</topic><topic>Surfaces and Interfaces</topic><topic>Thickness measurement</topic><topic>Thin Films</topic><topic>Tribology</topic><topic>Ultrasonic methods</topic><topic>Ultrasonic testing</topic><topic>Wave propagation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dou, Pan</creatorcontrib><creatorcontrib>Wu, Tonghai</creatorcontrib><creatorcontrib>Luo, Zhaopeng</creatorcontrib><creatorcontrib>Yang, Peiping</creatorcontrib><creatorcontrib>Peng, Zhongxiao</creatorcontrib><creatorcontrib>Yu, Min</creatorcontrib><creatorcontrib>Reddyhoff, Tom</creatorcontrib><collection>Springer Nature OA/Free Journals</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Career & Technical Education Database</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</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 Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Research Library</collection><collection>Engineering Database</collection><collection>Research Library (Corporate)</collection><collection>Research Library China</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content 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>Friction</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dou, Pan</au><au>Wu, Tonghai</au><au>Luo, Zhaopeng</au><au>Yang, Peiping</au><au>Peng, Zhongxiao</au><au>Yu, Min</au><au>Reddyhoff, Tom</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A finite-element-aided ultrasonic method for measuring central oil-film thickness in a roller-raceway tribo-pair</atitle><jtitle>Friction</jtitle><stitle>Friction</stitle><date>2022-06-01</date><risdate>2022</risdate><volume>10</volume><issue>6</issue><spage>944</spage><epage>962</epage><pages>944-962</pages><issn>2223-7690</issn><eissn>2223-7704</eissn><abstract>Roller bearings support heavy loads by riding on an ultra-thin oil film (between the roller and raceway), the thickness of which is critical as it reflects the lubrication performance. Ultrasonic interfacial reflection, which facilitates the non-destructive measurement of oil-film thickness, has been widely studied. However, insufficient spatial resolution around the rolling line contact zone remains a barrier despite the use of miniature piezoelectric transducers. In this study, a finite-element-aided method is utilized to simulate wave propagation through a three-layered structure of roller-oil-raceway under elastohydrodynamic lubrication (EHL) with nonlinear characteristics of the i) deformed curvature of the cylindrical roller and ii) nonuniform distribution of the fluid bulk modulus along the circumference of the oil layer being considered. A load and speed-dependent look-up table is then developed to establish an accurate relationship between the overall reflection coefficient (directly measured by an embedded ultrasonic transducer) and objective variable of the central oil-film thickness. The proposed finite-element-aided method is verified experimentally in a roller-raceway test rig with the ultrasonically measured oil-film thickness corresponding to the values calculated using the EHL theory.</abstract><cop>Beijing</cop><pub>Tsinghua University Press</pub><doi>10.1007/s40544-021-0544-y</doi><tpages>19</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Bearing races Bulk modulus Corrosion and Coatings Elastohydrodynamic lubrication Engineering Film thickness Finite element method Line contact Lookup tables Lubrication Mathematical analysis Measurement methods Mechanical Engineering Nanotechnology Physical Chemistry Piezoelectric transducers Reflectance Research Article Roller bearings Spatial resolution Surfaces and Interfaces Thickness measurement Thin Films Tribology Ultrasonic methods Ultrasonic testing Wave propagation |
| title | A finite-element-aided ultrasonic method for measuring central oil-film thickness in a roller-raceway tribo-pair |
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