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A simplified wet friction clutch test apparatus
Tribotest, 1995AbstractA small, economic, test rig to evaluate friction materials and fluids for wet clutch applications has been designed, built and commissioned. In this paper, the construction, operation and performance of the machine are described, and results are presented, for two sets of typical tests.
W. Scott, P. Suntiwattana
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Estimation of the Clutch Characteristic Map for an Automated Wet Friction Clutch Transmission
SAE Technical Paper Series, 2016<div class="section abstract"><div class="htmlview paragraph">Higher demands on comfort and efficiency require a continuous improvement of the shift process. During the launch and shift process the clutch control is used to get a smooth and efficient behavior. In this short time of acting the shifting behavior can be rated.
Thorsten Arndt +4 more
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Investigation of friction characteristic of wet clutch transmission oil
2020 3rd International Conference on Electron Device and Mechanical Engineering (ICEDME), 2020A test method for evaluating the friction characteristic of wet clutch transmission oil is presented. This method combines the actual combination characteristic of the wet clutch to design the energy density increasing experiment, and the experiment parameters fit the actual working conditions of the clutch. The real clutch is adopted, and the friction
Penghou Zhen +3 more
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Lubricant ageing effects on the friction characteristics of wet clutches
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 2010The friction characteristics and performance of wet clutches have been investigated by several authors. Studies have also been made to understand the frictional performance during the service life of the clutch system. However, most lifetime studies have been conducted for systems with paper-based friction material so that systems using sintered bronze
K Berglund, P Marklund, R Larsson
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Estimation of Wet Clutch Friction Parameters in Automotive Transmissions
SAE Technical Paper Series, 2015<div class="section abstract"><div class="htmlview paragraph">In this paper, a new algorithm for the off-line estimation of wet clutch friction parameters is proposed for automotive transmissions, motivated by the usefulness of such an algorithm for diagnosing the condition of the clutch and transmission fluid in service.
Matthew Barr, Krishnaswamy Srinivasan
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Influence of surface topography on friction characteristics in wet clutch applications
Wear, 2006 In heavily loaded wet clutches, such as in limited slip differentials, sintered friction materials are sometimes used due to their resilience at high loads and high temperatures as well as their competitive cost in comparison to alternative friction ...
Olsson, Richard, +3 more
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Frictional Torque Transfer Behaviors of Friction Pads in Wet Clutch Engagement
Volume 15: Advances in Multidisciplinary Engineering, 2015For stable frictional torque transfer, wet clutch pads have the functional requirements of a high traction and a low wear rate with positive μ-V frictional characteristics. However, because of the intrinsic negative μ-V frictional characteristics of a friction material that has a static friction coefficient greater than its kinetic friction coefficient,
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Analysis and Control of Wet Friction Clutches for Automotive Applications
2021 American Control Conference (ACC), 2021Michael A. Laukenmann, Oliver Sawodny
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Analysis of Temperature Field on Combining Friction Discs of Wet Clutch
Applied Mechanics and Materials, 2014Because of overheat and over wear, the distortion and invalidation will be produced easily in combining friction discs of wet clutch of heavy vehicle transmission system. So the paper studies the sliding friction force of a pair of steel and friction disc, calculates the heat flow density, obtains the heat exchange function with axial symmetry, and ...
Jie Li +4 more
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Prediction of Torque Response During the Engagement of Wet Friction Clutch
SAE Technical Paper Series, 1998<div class="htmlview paragraph">The approximate torque response model for the engagement of a wet friction clutch, developed by Berger [<span class="xref">1</span>, <span class="xref">2</span>], was modified and enhanced.
Yubo Yang, Robert C. Lam, Tamotsu Fujii
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