A very simple estimate of adhesion of hard solids with rough surfaces based on a bearing area model
Sign Up to like & getrecommendations! Published in 2018 at "Meccanica"
DOI: 10.1007/s11012-017-0701-6
Abstract: In the present note, we suggest a single-line equation estimate for adhesion between elastic (hard) rough solids with Gaussian multiple scales of roughness. It starts from the new observation that the entire DMT solution for… read more here.
Keywords: area model; estimate adhesion; area; bearing area ... See more keywords
Percolation and Reynolds Flow in Elastic Contacts of Isotropic and Anisotropic, Randomly Rough Surfaces
Sign Up to like & getrecommendations! Published in 2020 at "Tribology Letters"
DOI: 10.1007/s11249-020-01378-7
Abstract: In this work, we numerically study the elastic contact between isotropic and anisotropic, rigid, randomly rough surfaces and linearly elastic counterfaces as well as the subsequent Reynolds flow through the gap between the two contacting… read more here.
Keywords: reynolds flow; percolation reynolds; randomly rough; flow elastic ... See more keywords
The Loading–Unloading Model of Contact Between Fractal Rough Surfaces
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DOI: 10.1007/s12541-020-00330-y
Abstract: A loading–unloading elastic–plastic model of contact between three dimensional fractal rough surfaces has been presented in this paper. During loading process, the mechanical properties of a single asperity follow Hertzian theory. During unloading process, the… read more here.
Keywords: fractal rough; loading unloading; contact; model contact ... See more keywords
Polymer adsorption on rough surfaces
Sign Up to like & getrecommendations! Published in 2018 at "Current opinion in chemical engineering"
DOI: 10.1016/j.coche.2018.03.001
Abstract: The adsorption of polymers on smooth or atomistically flat substrates has been a topic of study for decades, and such systems are well-characterized. However, there is little knowledge of the complex interfaces created by adsorption… read more here.
Keywords: rough surfaces; adsorption; polymer adsorption; adsorption rough ... See more keywords
Effects of tungsten and carbon rough surfaces on the material mixing and impurity erosion/deposition
Sign Up to like & getrecommendations! Published in 2018 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2018.04.032
Abstract: Abstract The Monte-Carlo rough surface code SURO is applied for the simulation of the carbon deposition and substrate erosion on rough surfaces. The energy, flux and angle of impinging particles calculated by the SDPIC code… read more here.
Keywords: carbon; tungsten carbon; erosion; deposition ... See more keywords
The effects of rough surfaces on heat transfer and flow structures for turbulent round jet impingement
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Thermal Sciences"
DOI: 10.1016/j.ijthermalsci.2021.106982
Abstract: Abstract Heat transfer and flow structures for round jet impingement over rough surfaces have been investigated using the shear stress transport model (SST) with transition model. This model is first evaluated against the experimental data… read more here.
Keywords: velocity; heat; rough surfaces; transfer flow ... See more keywords
Experimental and finite element analyses of contact behaviors between non-transparent rough surfaces
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Mechanics and Physics of Solids"
DOI: 10.1016/j.jmps.2019.02.004
Abstract: Abstract The real contact area and separation between rough surfaces are significant parameters in sealing, tribology, and lubrication. However, it is challenging to experimentally observe the contact behaviors between rough surfaces because the materials of… read more here.
Keywords: non transparent; rough surfaces; finite element; contact behaviors ... See more keywords
Variance of elastic wave scattering from randomly rough surfaces
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DOI: 10.1016/j.jmps.2021.104550
Abstract: Abstract Elastic waves scattered by randomly rough surfaces in solid media play an important role across research topics including ultrasonic wave detection and imaging, seismic wave exploration and phonon boundary interaction. Previous attention has focused… read more here.
Keywords: variance; wave scattering; randomly rough; rough surfaces ... See more keywords
On the linear transform technique for generating rough surfaces
Sign Up to like & getrecommendations! Published in 2021 at "Tribology International"
DOI: 10.1016/j.triboint.2021.107182
Abstract: Abstract The linear filtering model is widely adopted because it can effectively control the areal autocorrelation function (AACF). However, these methods either constrain only half of the AACF or add the assumption of symmetry along… read more here.
Keywords: tribology; rough surfaces; transform technique; technique generating ... See more keywords
Rubber friction on 3D-printed randomly rough surfaces at low and high sliding speeds
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DOI: 10.1016/j.wear.2017.01.092
Abstract: Abstract Rubber friction depends on the surface roughness of the counter surface, e.g. a road surface. We have measured the friction for two rubber compounds sliding on randomly rough surfaces produced by 3D-printing. The surfaces… read more here.
Keywords: rubber friction; friction; randomly rough; printed randomly ... See more keywords
Predicting drag on rough surfaces by transfer learning of empirical correlations
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2021.1041
Abstract: Abstract Recent developments in neural networks have shown the potential of estimating drag on irregular rough surfaces. Nevertheless, the difficulty of obtaining a large high-fidelity dataset to train neural networks is deterring their use in… read more here.
Keywords: empirical correlations; neural networks; learning empirical; rough surfaces ... See more keywords