Tribology OnlineTribological machine elements, such as rolling element bearings and gears, are often used in mechanical components and various industrial applications. The contact interfaces and sliding parts fundamentally consist of two solid and one liquid lubricant ...
Toshiharu Kazama
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The Transient and Thermal Effects on EHL Performance of a Helical Gear Pair
Tribology Online, 2018 A non-Newtonian numerical solution system for the transient thermo-elastohydrodynamic lubrication (TEHL) model has been proposed for a helical gear pair with the finite line contact theory. This model is used to comprehensively show the transient effect,
Mingyong Liu, Yadong Liu, Chenhui Wu
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Influence of physical-property models on thermal elastohydrodynamic lubrication solutions
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2023 This study numerically obtains the thermal elastohydrodynamic lubrication (TEHL) solutions of different physical-property models of five lubricants and different thermal properties of the solids.
Toshiharu KAZAMA
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Research on the meshing load-bearing characteristics of the micro-textured thermoelastic hydrodynamic lubrication interface for a warship PRTS [PDF]
Mechanical SciencesGears are subjected to external excitation from alternating loads, and the micro-textured meshing interface (MTMI) will share larger contact stresses during the warship power rear transmission system (PRTS) torsional process.
J. Ruan, X. Wang, Y. Wang, W. Zou
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A Design for High-Speed Journal Bearings with Reduced Pad Size and Improved Efficiency
Lubricants, 2022 Improving efficiency is a general task in the design process of high-speed journal bearings. A specific fixed-pad bearing geometry featuring reduced pad length and additional design measures with the intention of reducing frictional power loss is ...
Thomas Hagemann +7 more
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Review article: Hadal-zone gearbox multi-physics lubrication dynamics: synergistic effects of hydrostatic pressure and thermal suppression [PDF]
Mechanical SciencesDeep-sea gear transmission systems face critical lubrication challenges due to the combined effects of extreme hydrostatic pressure and cryogenic temperatures.
Y. Wang +4 more
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On Friction Reduction by Surface Modifications in the TEHL Cam/Tappet-Contact-Experimental and Numerical Studies [PDF]
Coatings, 2019 The overall energy efficiency of machine elements and engine components could be improved by using new technologies such as surface modifications. In the literature, surface engineering approaches like micro-texturing and the application of diamond-like carbon (DLC) coatings were frequently studied separately, with focus on a specific model contact and
Max Marian, Tim Weikert, Stephan Tremmel
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Analysis on Filtering Reducer Turning Arm Bearing Based on Thermal Mixed Lubrication
工程科学与技术, 2018 The lubrication state of the working interface of the filtering reducer turning arm bearing is affected by load,contact geometry,rough surface thermal effect and other factors.It is difficult to figure out the lubrication condition of the working ...
Xiaopeng WANG +4 more
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Analysis of Gear System Dynamics Based on Thermal Elastohydrodynamic Lubrication Effects
LubricantsLubrication plays a crucial role in reducing gear surface damage and defects such as pitting, wear, and scuffing; therefore, analyzing the influence of lubrication is essential for preventing such failures in gear transmission systems.
Zhaoxia He +3 more
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Journal of Tribology, 2018 In this work, a mixed lubrication model, applicable to cam-roller contacts, is presented. The model takes into account non-Newtonian, thermal effects, and variable roller angular velocity. Mixed lubrication is analyzed using the load sharing concept, using measured surface roughness.
Alakhramsing, Shivam S. +4 more
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