The influence of the interface coefficient of friction upon the propensity to judder in automotive clutches
Abstract This paper presents an investigation of the driveline torsional vibration behaviour, referred to as judder, which takes place during the clutch engagement process, particularly on small trucks with diesel engines. A non-linear multibody dynamic model of the clutch mechanism is employed to s...
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| Veröffentlicht in: | Proceedings of the Institution of Mechanical Engineers. Part D, Journal of automobile engineering Journal of automobile engineering, 1999-01, Vol.213 (3), p.245-258 |
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| container_title | Proceedings of the Institution of Mechanical Engineers. Part D, Journal of automobile engineering |
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| creator | Centea, D Rahnejat, H Menday, M. T. |
| description | Abstract
This paper presents an investigation of the driveline torsional vibration behaviour, referred to as judder, which takes place during the clutch engagement process, particularly on small trucks with diesel engines. A non-linear multibody dynamic model of the clutch mechanism is employed to study the effect of various clutch system and driveline components on the clutch actuation performance. The paper demonstrates that judder is affected by driveline inertial changes, variation in the coefficient of friction, μ, of the friction disc linings with slip speed, v, and the loss of clamp load. The results of the simulations show that various friction materials with different μ-v characteristics produce torsional self-excited vibrations of the driveline. The results also show that loss of clamp load relating to the speed of clutch actuation also contributes to judder. Furthermore, it is shown that the simulation results conform closely to the experimental findings. |
| doi_str_mv | 10.1243/0954407991526847 |
| format | Article |
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This paper presents an investigation of the driveline torsional vibration behaviour, referred to as judder, which takes place during the clutch engagement process, particularly on small trucks with diesel engines. A non-linear multibody dynamic model of the clutch mechanism is employed to study the effect of various clutch system and driveline components on the clutch actuation performance. The paper demonstrates that judder is affected by driveline inertial changes, variation in the coefficient of friction, μ, of the friction disc linings with slip speed, v, and the loss of clamp load. The results of the simulations show that various friction materials with different μ-v characteristics produce torsional self-excited vibrations of the driveline. The results also show that loss of clamp load relating to the speed of clutch actuation also contributes to judder. Furthermore, it is shown that the simulation results conform closely to the experimental findings.</description><identifier>ISSN: 0954-4070</identifier><identifier>EISSN: 2041-2991</identifier><identifier>DOI: 10.1243/0954407991526847</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Applied sciences ; Drives ; Exact sciences and technology ; Mechanical engineering. Machine design ; Shafts, couplings, clutches, brakes</subject><ispartof>Proceedings of the Institution of Mechanical Engineers. Part D, Journal of automobile engineering, 1999-01, Vol.213 (3), p.245-258</ispartof><rights>1999 Institution of Mechanical Engineers</rights><rights>1999 INIST-CNRS</rights><rights>Copyright Mechanical Engineering Publications, Ltd. 1999</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c408t-6ad73a92f7f23200813f2c075f63e0ce8dddf7a98315f61fed7d4f37790202163</citedby><cites>FETCH-LOGICAL-c408t-6ad73a92f7f23200813f2c075f63e0ce8dddf7a98315f61fed7d4f37790202163</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1243/0954407991526847$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1243/0954407991526847$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,776,780,21798,27901,27902,43597,43598</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1852501$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Centea, D</creatorcontrib><creatorcontrib>Rahnejat, H</creatorcontrib><creatorcontrib>Menday, M. T.</creatorcontrib><title>The influence of the interface coefficient of friction upon the propensity to judder in automotive clutches</title><title>Proceedings of the Institution of Mechanical Engineers. Part D, Journal of automobile engineering</title><description>Abstract
This paper presents an investigation of the driveline torsional vibration behaviour, referred to as judder, which takes place during the clutch engagement process, particularly on small trucks with diesel engines. A non-linear multibody dynamic model of the clutch mechanism is employed to study the effect of various clutch system and driveline components on the clutch actuation performance. The paper demonstrates that judder is affected by driveline inertial changes, variation in the coefficient of friction, μ, of the friction disc linings with slip speed, v, and the loss of clamp load. The results of the simulations show that various friction materials with different μ-v characteristics produce torsional self-excited vibrations of the driveline. The results also show that loss of clamp load relating to the speed of clutch actuation also contributes to judder. Furthermore, it is shown that the simulation results conform closely to the experimental findings.</description><subject>Applied sciences</subject><subject>Drives</subject><subject>Exact sciences and technology</subject><subject>Mechanical engineering. Machine design</subject><subject>Shafts, couplings, clutches, brakes</subject><issn>0954-4070</issn><issn>2041-2991</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kN1LwzAUxYMoOKfvPhYR36o3Sdu0jzL8goEv87mE9MZlds3Mh7D_3tQNBgPzkMA5v3NyuYRcU7inrOAP0JRFAaJpaMmquhAnZMKgoDlLyimZjHaefDgnF96vIB1RlBPytVhiZgbdRxwUZlZn4U8I6LRMgrKotVEGhzCa2hkVjB2yuEnXiG6c3eDgTdhmwWar2HXoUj6TMdi1DeYndfQxqCX6S3KmZe_xav9Oycfz02L2ms_fX95mj_NcFVCHvJKd4LJhWmjGGUBNuWYKRKkrjqCw7rpOC9nUnCaJauxEV2guRAMMGK34lNztetNs3xF9aNfGK-x7OaCNvmWCipJXPIE3R-DKRjek2VrGIG2xBkgQ7CDlrPcOdbtxZi3dtqXQjqtvj1efIrf7XumV7LWTgzL-kKtLVgJNWL7DvPzEw9f_1v4CJyeQSw</recordid><startdate>19990101</startdate><enddate>19990101</enddate><creator>Centea, D</creator><creator>Rahnejat, H</creator><creator>Menday, M. 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T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c408t-6ad73a92f7f23200813f2c075f63e0ce8dddf7a98315f61fed7d4f37790202163</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Applied sciences</topic><topic>Drives</topic><topic>Exact sciences and technology</topic><topic>Mechanical engineering. Machine design</topic><topic>Shafts, couplings, clutches, brakes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Centea, D</creatorcontrib><creatorcontrib>Rahnejat, H</creatorcontrib><creatorcontrib>Menday, M. 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Part D, Journal of automobile engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Centea, D</au><au>Rahnejat, H</au><au>Menday, M. T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The influence of the interface coefficient of friction upon the propensity to judder in automotive clutches</atitle><jtitle>Proceedings of the Institution of Mechanical Engineers. Part D, Journal of automobile engineering</jtitle><date>1999-01-01</date><risdate>1999</risdate><volume>213</volume><issue>3</issue><spage>245</spage><epage>258</epage><pages>245-258</pages><issn>0954-4070</issn><eissn>2041-2991</eissn><abstract>Abstract
This paper presents an investigation of the driveline torsional vibration behaviour, referred to as judder, which takes place during the clutch engagement process, particularly on small trucks with diesel engines. A non-linear multibody dynamic model of the clutch mechanism is employed to study the effect of various clutch system and driveline components on the clutch actuation performance. The paper demonstrates that judder is affected by driveline inertial changes, variation in the coefficient of friction, μ, of the friction disc linings with slip speed, v, and the loss of clamp load. The results of the simulations show that various friction materials with different μ-v characteristics produce torsional self-excited vibrations of the driveline. The results also show that loss of clamp load relating to the speed of clutch actuation also contributes to judder. Furthermore, it is shown that the simulation results conform closely to the experimental findings.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><doi>10.1243/0954407991526847</doi><tpages>14</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0954-4070 |
| ispartof | Proceedings of the Institution of Mechanical Engineers. Part D, Journal of automobile engineering, 1999-01, Vol.213 (3), p.245-258 |
| issn | 0954-4070 2041-2991 |
| language | eng |
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| source | SAGE Complete |
| subjects | Applied sciences Drives Exact sciences and technology Mechanical engineering. Machine design Shafts, couplings, clutches, brakes |
| title | The influence of the interface coefficient of friction upon the propensity to judder in automotive clutches |
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