L773:0954 4070 OR L773:2041 2991
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Engagement behaviour of a paper-based wet clutch Part 2: Influence of temperature
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- Holgerson, Mikael (author)
- Luleå tekniska universitet
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- Lundberg, Jan (author)
- Luleå tekniska universitet,Drift, underhåll och akustik
- (creator_code:org_t)
- 2005-12-01
- 1999
- English.
- In: Proceedings of the Institution of mechanical engineers. Part D, journal of automobile engineering. - : SAGE Publications. - 0954-4070 .- 2041-2991. ; 213:5, s. 449-455
- Journal article (peer-reviewed)
Abstract
Subject headings
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- To increase comfort, performance and fuel economy, a more careful optimization of automatic transmissions is needed. Of special interest is how the temperature influences the engagement characteristics. In order to increase the level of knowledge in this area, a wet clutch test rig including a drive torque and inertia was used. The temperature and the developed energy were varied in order to investigate their influence on the characteristics of an engagement. As a consequence the influence of instant temperature, maximum temperature and instant normal force was also studied. Some of the most important conclusions of the investigation are that both the dynamic and static friction coefficients slightly decrease and the engagement time increases with increasing temperature. It was also found that the static and dynamic friction coefficients are not influenced by energy if the instant temperature is the same. An important parameter that describes the risk of stick-slip is the quotient between the static and dynamic friction. It was found that this quotient decreases with increasing temperature, and thus the risk of stick-slip is also supposed to decrease.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Annan samhällsbyggnadsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Other Civil Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Tribologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Tribology (hsv//eng)
Keyword
- Drift och underhållsteknik
- Operation and Maintenance
- Machine Elements
- Maskinelement
Publication and Content Type
- ref (subject category)
- art (subject category)
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