Effect of angular misalignment on the static characteristics of rotating externally pressurized air journal bearing
This paper studies the effect of angular misalignment on the static characteristics of rotating externally pressurized air journal bearing with four degrees of freedom (4-DOF). A clearance function is used to describe the film thickness of air journal bearings with angular misalignment along two per...
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| Veröffentlicht in: | Science China. Technological sciences 2019-09, Vol.62 (9), p.1520-1533 |
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| container_title | Science China. Technological sciences |
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| creator | Shi, JiangHai Cao, HongRui Chen, XueFeng |
| description | This paper studies the effect of angular misalignment on the static characteristics of rotating externally pressurized air journal bearing with four degrees of freedom (4-DOF). A clearance function is used to describe the film thickness of air journal bearings with angular misalignment along two perpendicular directions. The finite different method (FDM) and an iterative procedure are applied to solve the Reynolds equation and obtain the air film pressure distribution. Various eccentricity ratios and rotating speeds are taken into considerations for the comparisons of static performances of the air journal bearing under different tilt angles. The results show that the air film thickness, load capacity, stiffness, load moment, attitude angle and volume flow rate are affected greatly by the angular misalignment. |
| doi_str_mv | 10.1007/s11431-018-9429-4 |
| format | Article |
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A clearance function is used to describe the film thickness of air journal bearings with angular misalignment along two perpendicular directions. The finite different method (FDM) and an iterative procedure are applied to solve the Reynolds equation and obtain the air film pressure distribution. Various eccentricity ratios and rotating speeds are taken into considerations for the comparisons of static performances of the air journal bearing under different tilt angles. The results show that the air film thickness, load capacity, stiffness, load moment, attitude angle and volume flow rate are affected greatly by the angular misalignment.</description><identifier>ISSN: 1674-7321</identifier><identifier>EISSN: 1869-1900</identifier><identifier>DOI: 10.1007/s11431-018-9429-4</identifier><language>eng</language><publisher>Beijing: Science China Press</publisher><subject>Degrees of freedom ; Engineering ; Film thickness ; Flow velocity ; Journal bearings ; Misalignment ; Pressure distribution ; Product design ; Reynolds equation ; Rotation ; Static characteristics ; Stiffness ; Stress concentration</subject><ispartof>Science China. Technological sciences, 2019-09, Vol.62 (9), p.1520-1533</ispartof><rights>Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019</rights><rights>Copyright Springer Nature B.V. 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-c5fdfc26b9bada6cf95e27e5e1467f20d1fca28e48d7267b61657fd1b87ffabb3</citedby><cites>FETCH-LOGICAL-c316t-c5fdfc26b9bada6cf95e27e5e1467f20d1fca28e48d7267b61657fd1b87ffabb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11431-018-9429-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11431-018-9429-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Shi, JiangHai</creatorcontrib><creatorcontrib>Cao, HongRui</creatorcontrib><creatorcontrib>Chen, XueFeng</creatorcontrib><title>Effect of angular misalignment on the static characteristics of rotating externally pressurized air journal bearing</title><title>Science China. Technological sciences</title><addtitle>Sci. China Technol. Sci</addtitle><description>This paper studies the effect of angular misalignment on the static characteristics of rotating externally pressurized air journal bearing with four degrees of freedom (4-DOF). A clearance function is used to describe the film thickness of air journal bearings with angular misalignment along two perpendicular directions. The finite different method (FDM) and an iterative procedure are applied to solve the Reynolds equation and obtain the air film pressure distribution. Various eccentricity ratios and rotating speeds are taken into considerations for the comparisons of static performances of the air journal bearing under different tilt angles. The results show that the air film thickness, load capacity, stiffness, load moment, attitude angle and volume flow rate are affected greatly by the angular misalignment.</description><subject>Degrees of freedom</subject><subject>Engineering</subject><subject>Film thickness</subject><subject>Flow velocity</subject><subject>Journal bearings</subject><subject>Misalignment</subject><subject>Pressure distribution</subject><subject>Product design</subject><subject>Reynolds equation</subject><subject>Rotation</subject><subject>Static characteristics</subject><subject>Stiffness</subject><subject>Stress concentration</subject><issn>1674-7321</issn><issn>1869-1900</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1UE1LxDAQDaLgovsDvAU8VzNpmjRHWdYPWPCi55CmyW6XblszLbj-elN2wZNzma_3HjOPkDtgD8CYekQAkUPGoMy04DoTF2QBpdQZaMYuUy2VyFTO4ZosEfcsRV5qBmJBcB2CdyPtA7XddmptpIcGbdtsu4Pv0ryj485THO3YOOp2Nlo3-thganFmxX5edVvqv9O8s217pEP0iFNsfnxNbRPpvp_mDa28jQl6S66CbdEvz_mGfD6vP1av2eb95W31tMlcDnLMXBHq4LisdGVrK13QhefKFx6EVIGzGoKzvPSirBWXqpIgCxVqqEoVgq2q_Ibcn3SH2H9NHkdzPgQN56UqQCuWJxScUC72iNEHM8TmYOPRADOzveZkr0n2mtleIxKHnzg4zA_5-Kf8P-kXb3eAig</recordid><startdate>20190901</startdate><enddate>20190901</enddate><creator>Shi, JiangHai</creator><creator>Cao, HongRui</creator><creator>Chen, XueFeng</creator><general>Science China Press</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20190901</creationdate><title>Effect of angular misalignment on the static characteristics of rotating externally pressurized air journal bearing</title><author>Shi, JiangHai ; Cao, HongRui ; Chen, XueFeng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-c5fdfc26b9bada6cf95e27e5e1467f20d1fca28e48d7267b61657fd1b87ffabb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Degrees of freedom</topic><topic>Engineering</topic><topic>Film thickness</topic><topic>Flow velocity</topic><topic>Journal bearings</topic><topic>Misalignment</topic><topic>Pressure distribution</topic><topic>Product design</topic><topic>Reynolds equation</topic><topic>Rotation</topic><topic>Static characteristics</topic><topic>Stiffness</topic><topic>Stress concentration</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shi, JiangHai</creatorcontrib><creatorcontrib>Cao, HongRui</creatorcontrib><creatorcontrib>Chen, XueFeng</creatorcontrib><collection>CrossRef</collection><jtitle>Science China. Technological sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shi, JiangHai</au><au>Cao, HongRui</au><au>Chen, XueFeng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of angular misalignment on the static characteristics of rotating externally pressurized air journal bearing</atitle><jtitle>Science China. Technological sciences</jtitle><stitle>Sci. China Technol. Sci</stitle><date>2019-09-01</date><risdate>2019</risdate><volume>62</volume><issue>9</issue><spage>1520</spage><epage>1533</epage><pages>1520-1533</pages><issn>1674-7321</issn><eissn>1869-1900</eissn><abstract>This paper studies the effect of angular misalignment on the static characteristics of rotating externally pressurized air journal bearing with four degrees of freedom (4-DOF). A clearance function is used to describe the film thickness of air journal bearings with angular misalignment along two perpendicular directions. The finite different method (FDM) and an iterative procedure are applied to solve the Reynolds equation and obtain the air film pressure distribution. Various eccentricity ratios and rotating speeds are taken into considerations for the comparisons of static performances of the air journal bearing under different tilt angles. The results show that the air film thickness, load capacity, stiffness, load moment, attitude angle and volume flow rate are affected greatly by the angular misalignment.</abstract><cop>Beijing</cop><pub>Science China Press</pub><doi>10.1007/s11431-018-9429-4</doi><tpages>14</tpages></addata></record> |
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| issn | 1674-7321 1869-1900 |
| language | eng |
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| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Degrees of freedom Engineering Film thickness Flow velocity Journal bearings Misalignment Pressure distribution Product design Reynolds equation Rotation Static characteristics Stiffness Stress concentration |
| title | Effect of angular misalignment on the static characteristics of rotating externally pressurized air journal bearing |
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