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A generalized multibody dynamic model for dual-clutch transmissions with wet clutchsets
Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body DynamicsA generalized multibody dynamic model enabling coupled vibration analysis of dual clutch transmissions (DCT) operating under any duty cycle is proposed.
E. Ozdemir +3 more
semanticscholar +1 more source
Wet Clutch Degradation Monitored by Lubricant Analysis
SAE Technical Paper Series, 2010<div class="section abstract"><div class="htmlview paragraph">In the competitive market of the car industry today, companies need to continuously strive to optimize the performance, price and environmental properties of their products in order to survive.
Kim Berglund +4 more
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Modeling Heat Transfer in a Wet Clutch
SAE Technical Paper Series, 1990<div class="htmlview paragraph">The results of research involving the development and verification of a heat transfer model for a multiple-plate wet clutch are presented. Three specific operating conditions were considered: (1) engaged and slipping, (2) engaged and not slipping, and (3) disengaged.
David A. Pacey, Ralph O. Turnquist
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Thermal-fluid coupling analysis of aviation wet friction clutch with wavy separation spring
Industrial Lubrication and TribologyPurpose Thermal failure and incomplete separation often occur in aviation wet friction clutches. The purpose of this study is to improve the performance and reliability of the clutch, considering the influence of lubricating oil, in this paper, the ...
Yanan Wei +3 more
semanticscholar +1 more source
Modeling of the Dynamics of Conical Separate Plates in a Wet Multi-Disc Clutch
LubricantsWet multi-disc clutches in transmission systems suffer from the incomplete separation of the friction components, which raises the drag torque and results in power loss and heightened fuel consumption.
Qin Zhao +5 more
semanticscholar +1 more source
Testing Wet Clutch Systems for Anti-Shudder Performance
SAE Technical Paper Series, 2020<div class="section abstract"><div class="htmlview paragraph">The wet clutch system (WCS) is a complex combination of friction plates, separator plates and fluid (lubricant). The basic function of the WCS is to transfer torque under various operating conditions such as slipping, shifting, start/launch and/or torque converter clutch (TCC ...
Larry Diemer +6 more
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A study of delamination of wet clutches
JSAE Review, 1999Abstract The delamination mechanism of a wet clutch in an automatic transmission has not been discussed in detail. In order to investigate this mechanism, two deterioration tests were run. One was applying mechanical stroking and shear torque to a wet clutch. The other was immersing cotton thread in various fluids.
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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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Hydraulic Clutch Fill Control using Control-oriented Model in Wet Dual Clutch Transmission
2019 American Control Conference (ACC), 2019This paper proposes a control method for filling phase of a hydraulic clutch actuation system in wet dual-clutch transmission (DCT) based on a control-oriented model. In wet DCT, a clutch-fill process cannot obtain proper fill and maintain under-fill due to the drag torque, which causes bad shift performance.
Sanghun Jung +4 more
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Design and Entity Modeling of Wet Double Clutch
Advanced Materials Research, 2012In this paper, we calculates the main parameters of a c-class car, choose the friction material, confirm the structural dimensions of pivotal components, acquires the friction power and heat capacity, and design three kinds of wet double clutch arranged radially with hydraulic driving unit, arranged longitudinally with hydraulic driving unit and ...
Xiao Lin Guo +3 more
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