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TECHNICAL PAPERS

A Numerical Analysis for TEHL of Eccentric-Tappet Pair Subjected to Transient Load

[+] Author and Article Information
J. Wang, P. Yang

Department of Mechanical Engineering, Qingdao Institute of Architecture and Engineering, Qingdao 266033, P. R. China

J. Tribol 125(4), 770-779 (Sep 25, 2003) (10 pages) doi:10.1115/1.1576425 History: Received May 08, 2002; Revised March 18, 2003; Online September 25, 2003
Copyright © 2003 by ASME
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References

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Figures

Grahic Jump Location
Thermal pressure and film thickness profiles at four different time intervals (e=0.02 m): (a) pressure; (b) film thickness.
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Isothermal pressure and film thickness profiles at four different time intervals (e=0.02 m): (a) pressure: (b) film thickness.
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Thermal pressure and film thickness profiles at the 90th time interval under four different eccentricities: (a) pressure; (b) film thickness.
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Isothermal pressure and film thickness profiles at zero entrainment
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Temperature distribution at zero entrainment
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Thermal and isothermal minimum film thickness profiles varying with eccentricities versus time: (a) thermal; (b) isothermal.
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The frictional coefficient varying with eccentricities versus time
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Thermal velocity distribution at zero entrainment
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Temperature and velocity distributions at the 130th time interval for e=0.04 m: (a) temperature; (b) velocity.
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Velocity profiles on section of X=0 in the oil film under different load at zero entrainment  
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Thermal and isothermal central film thickness profiles varying with eccentricities versus time: (a) thermal; (b) isothermal.  
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Isothermal velocity distribution at zero entrainment  
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Variations of dimensionless entraining velocity with eccentricities in a working cycle
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Variations of dimensionless load with eccentricities in a working cycle
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Schematic diagram of eccentric-tappet pair: (a) original; (b) equivalent.

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