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Journal articles on the topic 'Laws of wetting'

Author: Grafiati

Published: 29 March 2025

Last updated: 31 July 2025

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1

Voinov, O. V. "Asymptotic laws of wetting hydrodynamics." Doklady Physics 50, no. 7 (2005): 380–84. http://dx.doi.org/10.1134/1.2005365.

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2

Fondecave, R., and F. Brochard Wyart. "Wetting laws for polymer solutions." Europhysics Letters (EPL) 37, no. 2 (1997): 115–20. http://dx.doi.org/10.1209/epl/i1997-00120-y.

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3

Fan, Qianwen, Liangjun Fei, Penghui Zhao, Fangyuan Shen, and Yalin Gao. "Study on Soil Water and Nitrogen Transport Characteristics of Unidirectional Intersection Infiltration with Muddy Water Fertilization Film Hole Irrigation." Agriculture 14, no. 12 (2024): 2314. https://doi.org/10.3390/agriculture14122314.

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This study investigated the effects of film hole diameter and soil bulk density on the unidirectional intersection infiltration laws of muddy water fertilization film hole irrigation. Indoor soil box infiltration experiments were conducted. The thickness of the sediment layer, cumulative infiltration amount per unit area, vertical wetting front transport distance, moisture distribution in the wetting body, and nitrate and ammonium nitrogen transport laws were observed and analyzed. The results indicated that both the thickness of the sediment layer and the cumulative infiltration per unit area

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4

Wang, Boxin, Ruichang Fang, Xu Chai, and Qing Wang. "Transportation Laws for Carbonate and Sulfate Ions in Concrete Based on Compartment Model." Advances in Civil Engineering 2020 (July 23, 2020): 1–10. http://dx.doi.org/10.1155/2020/1769186.

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Transportation of carbonate and sulfate ions in concrete under the drying-wetting cycle environment is similar to the ingression and elimination of medicine in human body. Given this similarity, such a process is described dynamically using the classic compartment model in pharmacokinetics. The compartment model was applied to predict the content of carbonate and sulfate ions in different regions of concrete. Factors such as water-cement ratio, salt category, carbonate-ion and sulfate-ion attack depth, and drying-wetting cycle were synthetically considered in the compartment model. In conjunct

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5

Parmigiani, A., C. Huber, O. Bachmann, and B. Chopard. "Pore-scale mass and reactant transport in multiphase porous media flows." Journal of Fluid Mechanics 686 (September 30, 2011): 40–76. http://dx.doi.org/10.1017/jfm.2011.268.

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AbstractReactive processes associated with multiphase flows play a significant role in mass transport in unsaturated porous media. For example, the effect of reactions on the solid matrix can affect the formation and stability of fingering instabilities associated with the invasion of a buoyant non-wetting fluid. In this study, we focus on the formation and stability of capillary channels of a buoyant non-wetting fluid (developed because of capillary instabilities) and their impact on the transport and distribution of a reactant in the porous medium. We use a combination of pore-scale numerica

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6

Andreotti, Bruno, and Jacco H. Snoeijer. "Statics and Dynamics of Soft Wetting." Annual Review of Fluid Mechanics 52, no. 1 (2020): 285–308. http://dx.doi.org/10.1146/annurev-fluid-010719-060147.

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The laws of wetting are well known for drops on rigid surfaces but change dramatically when the substrate is soft and deformable. The combination of wetting and the intricacies of soft polymeric interfaces have provided many rich examples of fluid–structure interactions, both in terms of phenomenology and from a fundamental perspective. In this review we discuss experimental and theoretical progress on the statics and dynamics of soft wetting. In this context we critically revisit the foundations of capillarity, such as the nature of solid surface tension, the microscopic mechanics near the co

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7

Wallmeyer, Bernhard, Sarah Trinschek, Sargon Yigit, Uwe Thiele, and Timo Betz. "Collective Cell Migration in Embryogenesis Follows the Laws of Wetting." Biophysical Journal 114, no. 1 (2018): 213–22. http://dx.doi.org/10.1016/j.bpj.2017.11.011.

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8

Henkel, Christopher, Jacco H. Snoeijer, and Uwe Thiele. "Gradient-dynamics model for liquid drops on elastic substrates." Soft Matter 17, no. 45 (2021): 10359–75. http://dx.doi.org/10.1039/d1sm01032h.

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The presented simple long-wave gradient-dynamics model for soft wetting recovers the double transition for static drops and spreading laws on elastic substrates. It allows one to consider the influence of substrate softness on coarsening.

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9

Erofeev, Daniil A., and Leonid N. Mashlyakovsky. "FABRICATION AND APPLICATION OF HYDROPHOBIC SILICON CONTAINING POLYURETHANE COATINGS. PART TWO. (REVIEW)." Bulletin of the Saint Petersburg State Institute of Technology (Technical University) 64 (2023): 40–51. http://dx.doi.org/10.36807/1998-9849-2023-64-90-40-51.

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It is well known, that water drops tend to easily flow down from lotus leaves because of low wetting degree. In the first part of the review, we discussed the basic concept of wetting theory and different limits of existing models. The unsolved questions in the theory of wetting did not slow the development of methods of hydrophobic coatings fabrication. At present, coatings with low wetting degree are implemented in different industry fields. However, fabrication of coatings with stable hydrophobic properties is still difficult. That problem is especially serious for highly- and superhydropho

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10

Legrand, Quentin, Stephane Benayoun, and Stephane Valette. "Biomimetic Approach for the Elaboration of Highly Hydrophobic Surfaces: Study of the Links between Morphology and Wettability." Biomimetics 6, no. 2 (2021): 38. http://dx.doi.org/10.3390/biomimetics6020038.

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This investigation of morphology-wetting links was performed using a biomimetic approach. Three natural leaves’ surfaces were studied: two bamboo varieties and Ginkgo Biloba. Multiscale surface topographies were analyzed by SEM observations, FFT, and Gaussian filtering. A PDMS replicating protocol of natural surfaces was proposed in order to study the purely morphological contribution to wetting. High static contact angles, close to 135∘, were measured on PDMS replicated surfaces. Compared to flat PDMS, the increase in static contact angle due to purely morphological contribution was around 20

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11

Leibler, Ludwik, and Ahmed Mourran. "Wetting on Grafted Polymer Films." MRS Bulletin 22, no. 1 (1997): 33–37. http://dx.doi.org/10.1557/s0883769400032310.

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Studying the properties of endanchored polymer layers has been a fashionable occupation for numerous physicists, chemists, and material scientists for more than 10 years. Theoreticians have realized that grafted macromolecules are nice statistical objects wriggling around under thermal motion, which give rise to nontrivial long-range entropic effects. These can be described by elegant scaling laws and analogies with quantum or classical mechanics. For experimenters the area turned out to be a marvelous playground in which both very simple and sophisticated techniques such as x-ray or neutron s

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12

Diduk, I. I., and G. A. Bagliuk. "The Influence of the Chemical Composition and Temperature of Molten Rocks on Laws Wetting Their Platinum-Rhodium Plate Spinneret." Фізика і хімія твердого тіла 16, no. 2 (2015): 398–402. http://dx.doi.org/10.15330/pcss.16.2.398-402.

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The results of investigation of platinum-rhodium substrate wetting by the melts of ten different compositions of rocks and the values of their surface tension and adhesion in a wide temperature range. It is shown that the highest values of surface tension and adhesion observed for basalt melts, whereas neutral aluminosilicate glass melts, which do not containiron oxide compounds are characterized by a high value of the contact angle and the lowest values of surface forces. Doping of ZrO2in the meltcompositionsignificantly increases angles of wetting and surface tension and adhesion throu

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13

Tang, Liansheng, Zihua Cheng, Hao Wang, and Yang Chen. "Effects of Drying and Wetting Process on the Tensile Strength of Granite Residual Soil." Water 15, no. 15 (2023): 2801. http://dx.doi.org/10.3390/w15152801.

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The tensile strength of granite residual soil has different changing laws during the wetting and drying process which often appears after rainfall. The microscopic relationship between tensile strength, bond force, and absorbed suction was studied using a self-developed soil tensile strength tester. The results show the following. (1) The change in tensile strength with saturation is a convex curve with a peak; according to the drying and wetting path, there are differences in peak value and amplitude of variation. (2) The sample with a higher fine particle content has a structure that is dens

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14

Zhang, Zhuo. "Research on Permeability Regularities in Subgrade behind the Bridge Abutment." Applied Mechanics and Materials 178-181 (May 2012): 1676–80. http://dx.doi.org/10.4028/www.scientific.net/amm.178-181.1676.

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On the hypothesis of that the compacted soil was isotropic body and water movement complied with porous model of Green-Ampt, the permeability models in subgrade behind the bridge abutment with crack that is full of water were put forward by Darcy laws. In order to test the reasonableness of theoretical analysis, the flow mode test was conducted in the lab. The test results show that there is a linear relationship between horizontal length of wetting front on top of subgrade with the square root of time, in the sections at the bottom of crack, it is two time function relationship between vertic

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15

Alberti, Giovanni, and Antonio DeSimone. "Wetting of rough surfaces: a homogenization approach." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 461, no. 2053 (2005): 79–97. http://dx.doi.org/10.1098/rspa.2004.1364.

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The contact angle of a drop in equilibrium on a solid is strongly affected by the roughness of the surface on which it rests. We study the roughness–induced enhancement of the hydrophobic or hydrophilic properties of a solid surface through homogenization theory. By relying on a variational formulation of the problem, we show that the macroscopic contact angle is associated with the solution of two cell problems, giving the minimal energy per unit macroscopic area for a transition layer between the rough solid surface and a liquid or vapour phase. Our results are valid for both chemically hete

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16

Dorbolo, Stéphane. "The wetting properties of frosted glass." Papers in Physics 13 (December 1, 2021): 130006. http://dx.doi.org/10.4279/pip.130006.

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Frosted glass is a common, low cost material. Its roughness can be used to control how it is wet by water. In this paper, the wetting properties of silicone oil and water are investigated. For the oil, wetting is total since the oleophilic character of the glass is enhanced by its roughness. Due to the remarkable optical properties of frosted glass, the spreading of oil droplets on its surface was recorded over three months. Frosted glass is a parahydrophilic surface because of its large contact angle hysteresis (up to 80° ). The behaviour of oil and water droplets was compared on a long piece

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17

Joanny, Jean-François, and Sriram Ramaswamy. "A drop of active matter." Journal of Fluid Mechanics 705 (April 26, 2012): 46–57. http://dx.doi.org/10.1017/jfm.2012.131.

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AbstractWe study theoretically the hydrodynamics of a fluid drop containing oriented filaments endowed with active contractile or extensile stresses and placed on a solid surface. The active stresses alter qualitatively the wetting properties of the drop, leading to new spreading laws and novel static drop shapes. Candidate systems for testing our predictions include cytoskeletal extracts with motors and ATP, suspensions of bacteria or pulsatile cells, or fluids laden with artificial self-propelled colloids.

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18

Traskine, Vladimir, Z. Skvortsova, Laurent Barrallier, Polina Volovitch, and Alexandre Pertsov. "Wetting of Stressed Grain Boundaries in Polycrystals and Rheological Behaviour of Resulting Materials." Defect and Diffusion Forum 258-260 (October 2006): 409–14. http://dx.doi.org/10.4028/www.scientific.net/ddf.258-260.409.

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Orientational patterns of wetted grain boundaries (GB's) in stressed NaCl polycrystals have been used for describing the GB penetration process on the basis of combined interfacial and mechanical energy balance considerations. The response of the internally wetted polycrystals to static loading has been shown to obey “pressure solution” constitutive laws involving dissolution at stressed surfaces, diffusive transport of dissolved matter and precipitation at less stressed surfaces. Direct experimental evidence for pressure solution mechanism is presented.

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19

Kim, Jungchul, Myoung-Woon Moon, and Ho-Young Kim. "Dynamics of hemiwicking." Journal of Fluid Mechanics 800 (June 29, 2016): 57–71. http://dx.doi.org/10.1017/jfm.2016.386.

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Hemiwicking refers to the spreading of a liquid on a rough hydrophilic surface driven by capillarity. Here, we construct scaling laws to predict the velocity of hemiwicking on a rough substrate and experimentally corroborate them with various arrangements and dimensions of micropillar arrays. At the macroscopic scale, where the wetting front appears parallel to the free surface of the reservoir, the wicking distance is shown to grow diffusively, i.e. like $t^{1/2}$ with $t$ being time. We show that our model is consistent with pillar arrays of a wide range of pitch-to-height ratios, either squ

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20

Bostwick, J. B. "Spreading and bistability of droplets on differentially heated substrates." Journal of Fluid Mechanics 725 (May 17, 2013): 566–87. http://dx.doi.org/10.1017/jfm.2013.196.

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AbstractAn axisymmetric drop spreads on a radially heated, partially wetting solid substrate in a rotating geometry. The lubrication approximation is applied to the field equations for this thin viscous drop to yield an evolution equation that captures the dependence of viscosity, surface tension, gravity, centrifugal forces and thermocapillarity. We study the quasi-static spreading regime, whereby droplet motion is controlled by a constitutive law that relates the contact angle to the contact-line speed. Non-uniform heating of the substrate can generate both vertical and radial temperature gr

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21

Zhang, Zhenjie, Tianyi Zhao, and Qingbang Meng. "A Novel Model of Counter-Current Imbibition in Interacting Capillaries with Different Size Distribution." Energies 15, no. 17 (2022): 6309. http://dx.doi.org/10.3390/en15176309.

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The imbibition phenomenon widely exists in nature and industrial applications. It is of great significance to study the mechanism of imbibition and the influence laws of related factors. In this paper, based on the assumption of interacting capillaries, a capillary bundle model of counter-current imbibition is established. In addition, the characteristics of imbibition and the influences of capillary size and fluid viscosity are analyzed. The results show that water is imbibed into the smaller capillaries and expelled from the larger capillaries. The rate of the meniscus in water-imbibition ca

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22

Yuan, Quanzi, and Ya-Pu Zhao. "Multiscale dynamic wetting of a droplet on a lyophilic pillar-arrayed surface." Journal of Fluid Mechanics 716 (January 25, 2013): 171–88. http://dx.doi.org/10.1017/jfm.2012.539.

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AbstractDynamic wetting of a droplet on lyophilic pillars was explored using a multiscale combination method of experiments and molecular dynamics simulations. The excess lyophilic area not only provided excess driving force, but also pinned the liquid around the pillars, which kept the moving contact line in a dynamic balance state every period of the pillars. The flow pattern and the flow field of the droplet on the pillar-arrayed surface, influenced by the concerted effect of the liquid–solid interactions and the surface roughness, were revealed from the continuum to the atomic level. Then,

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23

Xue, Baoyong, Ping Yao, Xiaolong Zou, Qian Liu, and Yanlong Zhao. "DAMAGE CHARACTERISTICS OF RECYCLED ASPHALT MIXTURES UNDER THE EROSION EFFECT OF SNOW-MELTING SALT." DYNA 96, no. 4 (2021): 379–87. http://dx.doi.org/10.6036/10174.

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The erosion effect of snow-melting salt will degrade the durability of recycled asphalt pavement, but the damage characteristics of recycled asphalt mixture triggered by the erosion effect of snow-melting salt remain unclear. To solve the snow-melting salt-induced durability degradation of asphalt pavement, two commonly used snow-melting salts, NaCl and CaCl2, were selected to carry out the saline water immersion, salt-drying and -wetting cyclic and salt-freezing and -thawing cyclic splitting tests on recycled asphalt mixture, and the attenuation laws of splitting strengths and its damage char

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24

Zubova, N. V., and I. A. Amelyushkin. "Molecular modelling of a flow interaction with a relief body." Bulletin of State University of Education. Series: Physics and Mathematics, no. 2 (June 14, 2023): 51–64. https://doi.org/10.18384/2310-7251-2023-2-51-64.

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Aim. We construct algorithms that allow calculating the interaction of a heterogeneous flow with nanostructured surfaces of solids made of various materials, as well as wetting processes and movement of particles on the surface in an air flow.Methodology. Use is made of methods of molecular modeling and known physical laws; studies performed by other authors are analyzed.Results. A method is developed for calculating the interaction of a flow with a solid body, whose coating has a relief and a different degree of hydrophobicity. Parametric studies are performed using the molecular dynamics met

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25

Deng, Hongwei, Shiyu Zhou, Songtao Yu, Yao Liu, and Jingbo Xu. "Evolution of Pore Structure and Mechanical Characteristics of Red Sandstone Under Drying–Wetting Cycles." Minerals 15, no. 2 (2025): 158. https://doi.org/10.3390/min15020158.

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Red sandstone is widely distributed in southern China. Due to the significant difference in mechanical properties before and after hydration and its poor water stability, red sandstone often triggers landslide accidents. In this paper, red sandstone from an open pit slope in Jiangxi Province was taken as the research object. Two variables, namely the initial saturation degree (25%, 50%, 75%, and 100%) and the number of wetting–drying cycles (0, 10, 20, 30, and 40), were set. With the help of nuclear magnetic resonance, the Brazilian disc test, and fractal theory, the relationships among its me

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26

Martínez, M. A., F. Velasco, and J. Abenojar. "Behaviour of Fluids in Porous Materials." Materials Science Forum 802 (December 2014): 303–8. http://dx.doi.org/10.4028/www.scientific.net/msf.802.303.

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The pore structure and the presence of open and close porosity has always made difficult the study of the interaction between fluids and porous materials, being complicated the analysis of liquids wettability and permeability, capillarity or speed of wetting, among others. This work tries to deal with these problems in a simple way, from a theoretical point of view, applying hydrostatic laws and the effect of capillarity to address the effect of open porosity. Moreover, surface roughness of these materials is the consequence of surface finishing (e.g. polishing) and porosity. This work also fa

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27

Abid, Maysoon B., Safa N. Hamad, and Sabah M. Hussain. "ANALYTICAL SOLUTION OF UNSATURATED SOIL WATER FLOW FROM A POINT SOURCE." Journal of Engineering 18, no. 1 (2023): 95–106. http://dx.doi.org/10.31026/j.eng.2012.01.07.

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Water flow into unsaturated porous media is governed by the Richards’ partial differential equation expressing the mass conservation and Darcy’s laws. The Richards’ equation may be written in three forms,where the dependent variable is pressure head or moisture content, and the constitutive relationships between water content and pressure head allow for conversion of one form into the other. In the present paper, the “moisture-based" form of Richards’ equation is linearized by applying Kirchhoff’s transformation, whichcombines the soil water diffusivity and soil water content. Then the similar

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28

GLASNER, K. B. "Variational models for moving contact lines and the quasi-static approximation." European Journal of Applied Mathematics 16, no. 6 (2005): 713–40. http://dx.doi.org/10.1017/s0956792505006406.

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This paper proposes the use of a variational framework to model fluid wetting dynamics. The central problem of infinite energy dissipation for a moving contact line is dealt with explicitly rather than by introducing a specific microscopic mechanism which removes it. We analyze this modelling approach in the context of the quasi-steady limit, where contact line motion is slower than bulk relaxation. We find that global effects enter into Tanner-type laws which relate line velocity to apparent contact angle through the role that energy dissipation plays in the bulk of the fluid. A comparison is

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29

Wen, Tao, Yankun Wang, Huiming Tang, Junrong Zhang, and Mingyi Hu. "Damage Evolution and Failure Mechanism of Red-Bed Rock under Drying–Wetting Cycles." Water 15, no. 15 (2023): 2684. http://dx.doi.org/10.3390/w15152684.

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The rock mass on the bank slope of the Three Gorges Reservoir (TGR) area often suffers from a drying–wetting cycle (DWC). How the DWCs significantly affect the mechanical properties and the stability of the rock mass is worth comprehensively investigating. In this study, the influence of the DWC on the mechanical properties of red-bed rock, mainly purplish red argillaceous siltstone, is explored in detail. Triaxial compression tests were conducted on siltstones that were initially subjected to different DWCs. The results show that DWCs lead to a decrease in mechanical properties such as peak s

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30

Щуцька, Г. В., та Н. П. Супрун. "Вологоперенос в багатошарових перев'язочних засобах". Bulletin of the Kyiv National University of Technologies and Design. Technical Science Series 126, № 5 (2019): 63–71. http://dx.doi.org/10.30857/1813-6796.2018.5.7.

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Prediction on the base of analysis of the laws of moisture transfer the property of multilayer packages of wound dressing to carry out the transfer of drugs and metabolic fluids in such systems.In the course of experimental studies of penetration of moisture through the packages of wound coatings, in which in different variants of the arrangement of used samples with different raw material composition and density (nonwoven cotton fabrics and linen fabric), were determined parameters of distribution of the liquid and the dimensions of the wetted zone in the upper, lower and middle layers.It has

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31

Zhang, Qing Zhang, Xiang Lin Gu, Wei Ping Zhang, and Qing Hua Huang. "Study on Effect of Soaking Time on the Transmission of Chloride Ion in Concrete under Drying-Wetting Cycles." Advanced Materials Research 261-263 (May 2011): 61–68. http://dx.doi.org/10.4028/www.scientific.net/amr.261-263.61.

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Acceleration penetration tests of chloride ion were conducted for typical diurnal and semidiurnal tidal types in China with consideration of various values of soaking time. It was found that the content of chloride ion from shallow area near the surface of concrete to the pure diffusion area of concrete reduced more significantly with the depth than that in the pure diffusion area of concrete. Based on Fick’s second law, the variation laws of chloride ion content at the edge of the pure diffusion area and chloride ion diffusion coefficient in the pure diffusion area under different soaking tim

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32

Guo, Zhong-qun, Yuan-ming Lai, Jie-fang Jin, Jian-rong Zhou, Zheng Sun, and Kui Zhao. "Effect of Particle Size and Solution Leaching on Water Retention Behavior of Ion-Absorbed Rare Earth." Geofluids 2020 (May 26, 2020): 1–14. http://dx.doi.org/10.1155/2020/4921807.

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Soil-water characteristic curve reflects water retention behavior of unsaturated soil mass. Particle size and mineral composition can influence water retention behavior of soil mass significantly. To discuss effects of particle size and solution leaching on water retention behavior of ion-absorbed rare earth, soil-water characteristic tests of samples with different particle sizes before and after the solution leaching were carried out by using a pressure plate instrument. Soil-water characteristic curves during drying and wetting were analyzed. A fitting analysis on test data was implemented

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Chen, Sitong, Xueke Wang, Tong Zhu, and Xiaofeng Xie. "Interaction of Vibration and Air Flow-Accelerating Droplet Emission from the Gas Diffusion Layer of Proton Exchange Membrane Fuel Cell." International Journal of Photoenergy 2019 (December 10, 2019): 1–12. http://dx.doi.org/10.1155/2019/1674134.

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In order to explore the influence of vibration that the vehicles are often subjected on water management of PEMFC, the dynamic characteristics of vibrating droplet on gas diffusion layer (GDL) surface were investigated through a high-speed image technology. The operating condition of vertical and horizontal excitations separately or coupled with air flow under different frequencies and amplitudes are applied on the substrate, so that the laws for the transition from Wenzel-Cassie regime to Cassie regime and the contact angle, the deformation rate for the width and height are obtained. It is ob

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Miao, Fasheng, Yiping Wu, Linwei Li, Huiming Tang, and Feng Xiong. "Weakening laws of slip zone soils during wetting–drying cycles based on fractal theory: a case study in the Three Gorges Reservoir (China)." Acta Geotechnica 15, no. 7 (2019): 1909–23. http://dx.doi.org/10.1007/s11440-019-00894-8.

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35

Zhai, Yaming, Wuerkaixi Kurexi, Ce Wang, Chengli Zhu, Zhanyu Zhang, and Yi Li. "Modelling Soil Water Infiltration and Wetting Patterns in Variable Working-Head Moistube Irrigation." Agronomy 13, no. 12 (2023): 2987. http://dx.doi.org/10.3390/agronomy13122987.

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Moistube irrigation is an efficient method that accurately irrigates and fertilizes agricultural crops. Investigation into the mechanisms of infiltration behaviors under an adjusted working head (WKH) benefits a timely and artificially regulating moisture condition within root zones, as adapted to evapotranspiration. This study explores the laws of Moistube irrigated soil water movement under constant and adjusted working heads. Lysimeter experiments were conducted to measure Moistube irrigation cumulative infiltration, infiltration rate, and to observe wetting front area and water content dis

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36

Amarsid, Lhassan, Ahmad Awdi, Abdoulaye Fall, Jean-Noël Roux, and François Chevoir. "Viscous effects in sheared unsaturated wet granular materials." Journal of Rheology 68, no. 4 (2024): 523–37. http://dx.doi.org/10.1122/8.0000824.

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We report on experiments and discrete element simulations of homogeneous, simple, normal stress-controlled, shear flows of model unsaturated granular materials: assemblies of frictional spherical particles bonded by a small quantity of a wetting liquid. The rheology of such unsaturated granular materials in the dense flow regime was characterized in recent publications of our group, in terms of internal friction coefficient μ∗ and solid fraction Φ, depending on the reduced pressure P∗ comparing capillary forces to controlled normal stress, and on inertial number I. The present study extends th

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37

Wei, Hsien-Hung, Heng-Kwong Tsao, and Kang-Ching Chu. "Slipping moving contact lines: critical roles of de Gennes’s ‘foot’ in dynamic wetting." Journal of Fluid Mechanics 873 (June 20, 2019): 110–50. http://dx.doi.org/10.1017/jfm.2019.352.

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In the context of dynamic wetting, wall slip is often treated as a microscopic effect for removing viscous stress singularity at a moving contact line. In most drop spreading experiments, however, a considerable amount of slip may occur due to the use of polymer liquids such as silicone oils, which may cause significant deviations from the classical Tanner–de Gennes theory. Here we show that many classical results for complete wetting fluids may no longer hold due to wall slip, depending crucially on the extent of de Gennes’s slipping ‘foot’ to the relevant length scales at both the macroscopi

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38

Kanduč, Matej, and Roland R. Netz. "From hydration repulsion to dry adhesion between asymmetric hydrophilic and hydrophobic surfaces." Proceedings of the National Academy of Sciences 112, no. 40 (2015): 12338–43. http://dx.doi.org/10.1073/pnas.1504919112.

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Using all-atom molecular dynamics (MD) simulations at constant water chemical potential in combination with basic theoretical arguments, we study hydration-induced interactions between two overall charge-neutral yet polar planar surfaces with different wetting properties. Whether the water film between the two surfaces becomes unstable below a threshold separation and cavitation gives rise to long-range attraction, depends on the sum of the two individual surface contact angles. Consequently, cavitation-induced attraction also occurs for a mildly hydrophilic surface interacting with a very hyd

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Xu, Hanwen, Zhiang Liu, Man Yu, and Xuning Sun. "How to Live the Advertisement of Family Planning Products in the Age of "Sex" Change." International Journal of Education and Humanities 6, no. 2 (2022): 173–76. http://dx.doi.org/10.54097/ijeh.v6i2.3680.

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In China, advertising of family planning products rarely transmits the information of family planning products to the public through mass platforms such as television. In addition to policy prohibitions, it is now mostly the pressure of public opinion. Another reason is that the TV advertising investment is large, and the coincidence rate between the TV audience and the current major consumers of family planning products is not high, so it is not necessary for advertisers to put advertisements on the TV platform. Although the advertising of family planning products often wanders on the edge of

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Peng, Youliang, Liangjun Fei, Renming Xue, Fangyuan Shen, Runqiao Zhen, and Qian Wang. "Effect of Muddy Water Characteristics on Infiltration Laws and Stratum Compactum Soil Particle Composition under Film Hole Irrigation." Agriculture 14, no. 8 (2024): 1377. http://dx.doi.org/10.3390/agriculture14081377.

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To investigate the impact of sediment on water infiltration and soil structure under muddy water irrigation conditions, indoor muddy water film hole infiltration experiments were conducted. Four different muddy water sediment concentrations (3%, 6%, 9%, 12%) and four typical sediment particle size distributions (which were quantified by the physical clay content with a particle size of less than 0.01 mm, d0.01: 9.13%, 16.46%, 27.34%, 44.02%) were employed to examine how muddy water properties affect infiltration law and the stratum compactum soil particle composition under film hole irrigation

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Murillo, J., S. Martinez-Aranda, A. Navas-Montilla, and P. García-Navarro. "Adaptation of flux-based solvers to 2D two-layer shallow flows with variable density including numerical treatment of the loss of hyperbolicity and drying/wetting fronts." Journal of Hydroinformatics 22, no. 5 (2020): 972–1014. http://dx.doi.org/10.2166/hydro.2020.207.

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Abstract An important feature of the two-layer shallow flow model is that the resulting system of equations cannot be expressed in conservation-law form. Here, the HLLS and ARoe solvers, derived initially for systems of conservation laws, are reformulated and applied to the two-layer shallow flows in a great variety of problems. Their resulting extension and combination allows us to overcome the loss of the hyperbolic character, ensuring energy or exactly balanced property, guarantees positivity of the solution, and provides a correct drying/wetting advance front without requiring tuning param

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Incollingo, Sara, Alessio Ferrari, and Guido Musso. "Numerical investigation on water exchange of shale samples." E3S Web of Conferences 195 (2020): 02025. http://dx.doi.org/10.1051/e3sconf/202019502025.

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Interest in the hydraulic and mechanical characterization of shales has grown in recent years, because of their application in the context of energy geotechnics. In the frame of nuclear waste disposal shales are considered as host formations for the placements of nuclear waste at high depths. In the frame of hydrocarbon production they are considered as unconventional reservoirs, from which extracting natural gas. Understanding how fluids flow through shales is then a key aspect for both fields of application. This paper focuses on the analysis of the transport of water vapour through laborato

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Liu, Dingzhu, Jinbo Tang, Hao Wang, et al. "A New Method for Wet-Dry Front Treatment in Outburst Flood Simulation." Water 13, no. 2 (2021): 221. http://dx.doi.org/10.3390/w13020221.

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When utilizing a finite volume method to predict outburst flood evolution in real geometry, the processing of wet-dry front and dry cells is an important step. In this paper, we propose a new approach to process wet-dry front and dry cells, including four steps: (1) estimating intercell properties; (2) modifying interface elevation; (3) calculating dry cell elevations by averaging intercell elevations; and (4) changing the value of the first term of slope limiter based on geometry in dry cells. The Harten, Lax, and van Leer with the contact wave restored (HLLC) scheme was implemented to calcul

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Xu, Haoping, Wenyuan Xu, Xuewen Zheng, and Kai Cao. "A Multistage Analysis of Asphalt Binder Nanocrack Generation and Self-Healing Behavior Based on Molecular Dynamics." Polymers 14, no. 17 (2022): 3581. http://dx.doi.org/10.3390/polym14173581.

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In order to study the characteristics and laws of nanocrack generation and self-healing behavior of asphalt materials under tensile action, the molecular dynamics (MD) method was used to simulate the continuous “tensile failure—self-healing” process, and this study remedies the shortcomings of existing experimental and observational methods. It is found that the MD-reproduced formation process of asphalt binder nanocrack contains four stages: “tensile extension”, “nanocrack generation”, “crack adding, expanding and penetrating” and “cracking failure”. The influence of tensile conditions on the

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Tang, Ke, Xue-song Mao, Qian Wu, et al. "The Concrete Performance with Iron Tailings Sand Modified by Polypropylene Fibers under Aggressive Environment." Advances in Materials Science and Engineering 2020 (December 9, 2020): 1–16. http://dx.doi.org/10.1155/2020/4368592.

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This paper aimed to explore the performance of concrete with iron tailings sand modified by polypropylene fibers under aggressive environment. Three kinds of concrete (ordinary concrete, concrete with iron tailings sand (ITS), and concrete with ITS modified by polypropylene fibers) were exposed to drying-wetting cycles in 5% Na2SO4 solution for 28, 56, 84, 112, and 140 days. The performance, such as pores distribution, crack width, corrosion products, mass variation, expansion variation, compressive strength, flexural strength, and the diffusion of sulfate ion were measured at regular time int

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Anisimova, Mariya A., Anna G. Knyazeva, Elena N. Korosteleva, and Sergey E. Povernov. "Peculiarities of sintering CuO-Al and TiO2-Al powder compositions under conditions of controlled heating." Himičeskaâ fizika i mezoskopiâ 26, no. 4 (2024): 457–70. https://doi.org/10.62669/17270227.2024.4.38.

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Composites obey numerous advantages over traditional materials in various industries in various industries because of their unique properties. The work is aimed at studying the peculiarities of the production of composites under controlled heating conditions and in situ formation of strengthening particles. The experimental results of the most commonly used method that is vacuum sintering for producing composites from aluminium and copper oxide powders as well as aluminium and titanium oxide under the conditions of controlled heating are presented. The distinctive features of the behaviour of

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Chen, Xupeng, Zhuowen Sun, and Jianyong Pang. "A Research on Durability Degradation of Mineral Admixture Concrete." Materials 14, no. 7 (2021): 1752. http://dx.doi.org/10.3390/ma14071752.

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In order to study the degradation laws and mechanisms of admixture concretes with single-added SO42− and composite of Mg2+ and SO42−, respectively, the durability tests were conducted on three types of mineral admixture concretes (concretes with single-added metakaolin (MK), single-added ultra-fine fly ash (UFA), and composite of metakaolin and ultra-fine fly ash (MF), and one reference concrete. In these tests, the 10% Na2SO4 solution and the 10% MgSO4 solution were used as the erosion medium, and the drying-wetting circle method was applied. It can be seen from the compressive tests and grey

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Park, Joung-Man, Dong-Jun Kwon, Zuo-Jia Wang, et al. "Novel method of electrical resistance measurement in structural composite materials for interfacial and dispersion evaluation with nano- and hetero-structures." MRS Proceedings 1700 (2014): 37–46. http://dx.doi.org/10.1557/opl.2014.537.

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ABSTRACTInterest in development in the use of nanoparticles in structural composites for the improvement of thermal conductivity, mechanical properties and electrical properties has recently stimulated some research efforts. Such improvements require the introduction of functional groups and the proper selection and concentration of the nanoparticles, as well as their uniform dispersion. The identification and verification of uniformity of dispersion is very important in the efficient processing for improved performance. Recently, new methods for studying and evaluating the interfacial propert

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Zuluaga, Elizabeth, and Larry W. Lake. "Modeling of Experiments on Water Vaporization for Gas Injection Using Traveling Waves." SPE Journal 13, no. 02 (2008): 248–56. http://dx.doi.org/10.2118/91393-pa.

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Summary Dry gas injected into wells will vaporize water from near the wellbore. The vaporization starts from the well and proceeds outward. Gas flowing to producers is in equilibrium with the reservoir brine, but water will be vaporized because the pressure drop that occurs toward the wellbore increases the ability of the gas to contain water. Thus, there are different mechanisms for injection and production. For both gas injection and gas production, vaporization concentrates solids in the brine that will precipitate into the formation when sufficiently concentrated. This paper reports on a c

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Chang, Baoxin, Benjamin Wherley, Jacqueline Aitkenhead-Peterson, Nadezda Ojeda, Charles Fontanier, and Philip Dwyer. "Effect of Wetting Agent on Nutrient and Water Retention and Runoff from Simulated Urban Lawns." HortScience 55, no. 7 (2020): 1005–13. http://dx.doi.org/10.21273/hortsci14982-20.

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Wetting agents have been widely used in the turf industry for ameliorating hydrophobic soil conditions and improving water use efficiency. However, limited information is available regarding potential benefits of wetting agents on fine textured soil lawns where wettable soils are commonly found, because most prior studies have been conducted in sand-based turf systems. This 2-year field study evaluated the potential for wetting agents to improve turf quality, as well as to reduce runoff losses of water and nutrients from st. augustinegrass [Stenotaphrum secundatum (Walt.) Kuntze] lawns. Over t

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