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line contact

Viscoelastic Contact Modelling: Application to the Finite Length Line Contact

Viscoelastic Contact Modelling: Application to the Finite Length Line Contact

... viscoelastic contact problem with prescribed geometry is difficult to obtain because (1) both contact area and pressure distribution are a priori unknown, and (2) the contact parameters keep changing ...

14

High-order discontinuous Galerkin method for elastohydrodynamic lubrication line contact problems

High-order discontinuous Galerkin method for elastohydrodynamic lubrication line contact problems

... EHL line contact problem for the first time and, unlike for traditional (continuous) FE methods, stability is easily obtained through the use of a simple upwinding ...

9

Numerical Simulation of Elastohydrodynamic Lubricated Line Contact Problems

Numerical Simulation of Elastohydrodynamic Lubricated Line Contact Problems

... enters contact, followed by an equally sharp decline to the ambient viscosity levels at the exit of the contact (as a result of the Hertz contact ...the contact exit, a constriction is formed ...

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Thermal Effects in Power Law Fluid Film Lubrication of Rolling/Sliding Line Contact

Thermal Effects in Power Law Fluid Film Lubrication of Rolling/Sliding Line Contact

... loaded line contact ...non-symmetric line contact bearings assuming the power-law consistency to be changed Revised Manuscript Received on July 05, 2019 ...

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Observations on acoustic emissions from a line contact compressed into the plastic region

Observations on acoustic emissions from a line contact compressed into the plastic region

... The general idea of this test was to develop an understanding of the AE signature generated from sub-surface yield on a bearing raceway. To this end, a jig was designed and built to provide loading conditions ...

9

Effects of dispersed sulfides in bronze under line contact 
			conditions

Effects of dispersed sulfides in bronze under line contact conditions

... 8 only part of the specimens had contact with the steel shaft, although the line had such contact. For the further investigation of the specimen surfaces, steel shafts were observed by a secondary ...

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Study of instantaneous starvation at 
					a finite-length line contact

Study of instantaneous starvation at a finite-length line contact

... the contact area increases corresponding to the increase of speed, and the volume of lubricant passing contact areas per unit of time also increases, which may weaken instantaneous ...

12

Effect of Geometry Factor I & J Factor Multipliers in the performance of Helical Gears

Effect of Geometry Factor I & J Factor Multipliers in the performance of Helical Gears

... initial contact line extends all the way across the tooth ...initial contact of helical gear teeth is point which changes into a line as the teeth come into more ...the line ...

8

Analysis of the Influence of Parallelism Error on the Meshing Performance of Circular-Arc-Tooth-Trace Cylindrical Gears

Analysis of the Influence of Parallelism Error on the Meshing Performance of Circular-Arc-Tooth-Trace Cylindrical Gears

... the contact ellipse, numerical simulation was performed using MATLAB ...the contact area is shown in Figure 5 and Figure 6, wherein the coordinates in the tooth width direction which are indicated by the ...

5

Hertz Contact Stress Analysis and Validation Using Finite Element Analysis

Hertz Contact Stress Analysis and Validation Using Finite Element Analysis

... in contact is idealized as per plane stress theory criteria, in order to improve the accuracy of result and reduce computation ...the contact stress between the rollers satisfying the above criteria, ...

10

Nonlocal hydrodynamic influence on the dynamic contact angle: Slip models versus experiment

Nonlocal hydrodynamic influence on the dynamic contact angle: Slip models versus experiment

... the contact line and replaces ...The contact angle provides the boundary condition needed to determine the shape of the free surface and hence has a reverse influence on the bulk ...moving ...

13

Effect of Transmission Line Measurement (TLM) Geometry on Specific Contact Resistivity Determination

Effect of Transmission Line Measurement (TLM) Geometry on Specific Contact Resistivity Determination

... use contact resistivity as a measure of device ...as contact silicidation, doped-metal contacts, dipole inserted contacts ...specific contact resistivity and improve device performance. The ...

112

Detachment force of particles with pinning of contact line from fluid bubbles/droplets

Detachment force of particles with pinning of contact line from fluid bubbles/droplets

... In order to simplify the analysis, we consider a problem in which a droplet (or bubble) of radius R (in its undeformed state) has two particles of radius a adsorbed at its surface, placed diametrically opposite each ...

21

The inequality level-set approach to handle contact: membrane case

The inequality level-set approach to handle contact: membrane case

... Methods: In this paper, we propose a method specifically designed to solve inequal- ity constraint problems linked to an unknown domain without remeshing. In order to do so, level sets coupled with X-FEM is used to ...

25

Droplets on Inclined Plates: Local and Global Hysteresis of Pinned Capillary Surfaces

Droplets on Inclined Plates: Local and Global Hysteresis of Pinned Capillary Surfaces

... contact line shapes assumed in earlier work [7], i.e., circles or curves connected by straight segments parallel with gravity, are at odds with experimental observations [8] and our simulated critical ...

5

The Calculation of Meshing Efficiency of a New Type of Conical Involute Gear

The Calculation of Meshing Efficiency of a New Type of Conical Involute Gear

... meshing line, considering all friction factors, were studied in ...gear contact analysis model and a new friction coefficient formula based on Newtonian thermal elasto-hydrodynamic lubrication are ...

11

A Machine Learning Method for Detecting Line Defects of Glass Substrates Using Time Series Non-contact Line Scan Data

A Machine Learning Method for Detecting Line Defects of Glass Substrates Using Time Series Non-contact Line Scan Data

... Abstract—Recently, the demand for ultra-high definition with 4K and 8K panels has increased. The study in this paper develops a fast algorithm for detecting wiring defects of glass substrates, which is based on an ...

6

Effect of boron nitride addition on properties of vapour grown carbon nanofiber/rubbery epoxy composites for thermal interface applications

Effect of boron nitride addition on properties of vapour grown carbon nanofiber/rubbery epoxy composites for thermal interface applications

... thermal contact resistance measurements showed that addition of micron-sized BN is not beneficial for improving the interfacial thermal conductance of VGCNF/RE ...thermal contact resistance as that of ...

23

On Contact Line Region Heat Transfer, Bubble Dynamics and Substrate Effects during Boiling

On Contact Line Region Heat Transfer, Bubble Dynamics and Substrate Effects during Boiling

... to contact with cooler liquid and a cyclic variation in the local heater temperature corresponding to the bubble ebullition cycle is ...2.4 Contact Line Region ...

180

Red Wine-Enriched Olive Oil Emulsions: Role of Wine Polyphenols in the Oxidative Stability

Red Wine-Enriched Olive Oil Emulsions: Role of Wine Polyphenols in the Oxidative Stability

... distorted contact line with b = ...the contact angle, which is a measure based on the derivative of the droplet ...the contact line, ...the contact line profile and ...

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