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Journal articles on the topic 'Capillary and porous materials'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Sychevskii, V. A. "Drying of colloidal capillary-porous materials." International Journal of Heat and Mass Transfer 85 (June 2015): 740–49. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2015.02.025.

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2

Ratanadecho, P., K. Aoki, and M. Akahori. "Influence of Irradiation Time, Particle Sizes, and Initial Moisture Content During Microwave Drying of Multi-Layered Capillary Porous Materials." Journal of Heat Transfer 124, no. 1 (2001): 151–61. http://dx.doi.org/10.1115/1.1423951.

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The drying of capillary porous materials by microwave with rectangular waveguide has been investigated numerically and experimentally. Most importantly, it focuses on the investigation of the distributions of electric field, temperature and moisture profiles within the capillary porous materials. The measurements of temperature and moisture distributions within the capillary porous materials provide a good basis for understanding of the microwave drying process. The mathematical model gives qualitatively comparable trends to experimental data. The calculations of electromagnetic fields inside

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3

Albuquerque, A. P. R., and J. M. P. Q. Delgado. "Soluble Salts Transport in Building Materials." Diffusion Foundations and Materials Applications 30 (August 19, 2022): 1–23. http://dx.doi.org/10.4028/p-v8s6zp.

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The most widely used materials in building construction are porous materials and the combined effect of rising dampness with soluble salts is one major problem. This phenomenon is caused by the migration of the salt ions dissolved in water into the porous network of the construction materials in the building walls, which causes fractures in the materials after several cycles of crystallization/dissolution. This work presents an extensive experimental campaign with different cycles of water absorption (capillarity absorption tests) and drying (drying tests). The samples of building material use

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4

Tuchinskii, L. I., M. B. Shtern, and S. A. Zakharov. "Sintering kinetics of capillary-porous powder materials." Powder Metallurgy and Metal Ceramics 32, no. 6 (1993): 486–90. http://dx.doi.org/10.1007/bf00560725.

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5

Horikawa, Toshihide, D. D. Do, and D. Nicholson. "Capillary condensation of adsorbates in porous materials." Advances in Colloid and Interface Science 169, no. 1 (2011): 40–58. http://dx.doi.org/10.1016/j.cis.2011.08.003.

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6

Snezhkin, Yu F., V. М. Paziuk, and Zh O. Petrova. "Heat pump technologies of low temperature drying of capillary-porous materials spherical shape." Кераміка: наука і життя, no. 3(48) (October 12, 2020): 7–12. http://dx.doi.org/10.26909/csl.3.2020.1.

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Heat pump technologies have become widely used in space heating and air conditioning systems, and the heat pump can be used for low-temperature drying of capillary-porous materials. Recuperative and condensing heat pumps, which allow both drying and cooling of the material, have become the most widespread. The developed condensing heat pump drying unit with a mine chamber implements a low-temperature drying process of spherical capillary-porous materials at a drying agent temperature of 40-50°C with a decrease in material humidity by 11% to a final humidity of 8%. Experimenta

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7

Alsabry, Abdrahman, Beata Backiel-Brzozowska, Vadzim I. Nikitsin, and Serafim K. Nikitsin. "Equations for Calculating the Thermal Conductivity of Capillary-Porous Materials with over Sorption Moisture Content." Sustainability 14, no. 10 (2022): 5796. http://dx.doi.org/10.3390/su14105796.

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This article is the result of the authors’ work on the method of calculating the effective thermal conductivity of moist capillary-porous materials used in wall partitions. The proposed methodology was developed based on the theory of generalized conductivity and geometric modeling of the structure. Materials are considered as heterogeneous ternary systems consisting of a solid skeleton, gas and liquid, and all components are simultaneously taken into account in the calculation. In this work, additional equations are constructed that allow calculation of the effective thermal conductivity of c

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Kostornov, A. G., A. A. Shapoval, and I. V. Shapoval. "Skeletal heat conductivity of porous metal fiber materials." Kosmìčna nauka ì tehnologìâ 27, no. 2 (2021): 70–77. http://dx.doi.org/10.15407/knit2021.02.070.

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The influence of a number of physical characteristics and parameters of metallic fiber materials on their thermal conductivity is studied in this work. Such porous materials are intended, among other things, for their effective use in two-phase heat transfer devices (heat pipes). The use of heat pipes in aircraft and space vehicles provides a number of thermophysical advantages. In particular, heat pipes significantly expand the possibilities of air cooling of heat-loaded technical devices. The thermal conductivity of capillary-porous materials-structures, which are important elements of heat

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9

Snezhkin, Yu F., V. М. Paziuk, and Zh O. Petrova. "Mathematical processing of results experimental studies of low-temperature modes of drying of capillary-porous materials of spherical shape." Кераміка: наука і життя, no. 1(42) (April 6, 2019): 20–25. http://dx.doi.org/10.26909/csl.1.2019.3.

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The mathematical processing of experimental data obtained during the drying of spherical form of capillary-porous materials on a convective drying bench allows us to determine the influence of various factors on the process. The main factors influencing the kinetics of drying of capillary-porous materials of spherical shape are the temperature and velocity of the heat carrier, as well as the initial moisture content of the material. For each factor, the variation levels corresponding to the optimal conditions for conducting experimental studies with low-temperature drying conditions are

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10

Ha, Jonghyun, and Ho-Young Kim. "Capillarity in Soft Porous Solids." Annual Review of Fluid Mechanics 52, no. 1 (2020): 263–84. http://dx.doi.org/10.1146/annurev-fluid-010518-040419.

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Soft porous solids can change their shapes by absorbing liquids via capillarity. Such poro-elasto-capillary interactions can be seen in the wrinkling of paper, swelling of cellulose sponges, and morphing of resurrection plants. Here, we introduce physical principles relevant to the phenomena and survey recent advances in the understanding of swelling and shrinkage of bulk soft porous media due to wetting and drying. We then consider various morphing modes of porous sheets, which are induced by localized wetting and swelling of soft porous materials. We focus on physical insights with the aim o

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11

Avraamov, N. I., A. V. Korolkov, V. A. Maslov, and V. B. Sapozhnikov. "Mathematical Simulation of Using a Combination of Mesh and Porous Materials as a Phase Separator." Herald of the Bauman Moscow State Technical University. Series Mechanical Engineering, no. 3 (126) (June 2019): 4–16. http://dx.doi.org/10.18698/0236-3941-2019-3-4-16.

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A combination of mesh and porous materials featuring bulk capillary properties is used as a phase separator in in-tank capillary inlet devices. These bulk capillary properties ensure a non-zero fluid flow into the interior of the in-tank inlet device after critical pressure has been reached. This quality makes it possible to reduce residual propellant volume in spacecraft engine tanks. We developed a mathematical simulation of an in-tank capillary inlet device comprising a phase separator made of a combination of mesh and porous materials. We represented a combination of mesh and porous materi

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12

Pazyuk, V. М. "Investigation of low-temperature drying modes plant capillary-porous materials spherical shape." Кераміка: наука і життя, no. 4(41) (December 28, 2018): 7–14. http://dx.doi.org/10.26909/csl.4.2018.1.

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The results of experimental studies of the drying of capillary-porous materials of spherical shape from the influence of the temperature of the heat carrier are given.Spherical granules with a diameter of 2,2 mm were taken to determine the rational modes of drying of capillary-porous materials. For a better evaluation of the nature of the drying process, experimental design studies were carried out on a convective drying stand in an elementary layer.The program of automatic collection and processing of information allows obtaining data on changes in the mass and temperature of the sample durin

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13

Gamayunov, N. I., and S. N. Gamayunov. "Shrinkage and Strength of Capillary-Porous Colloidal Materials." Journal of Engineering Physics and Thermophysics 77, no. 1 (2004): 45–52. http://dx.doi.org/10.1023/b:joep.0000020718.82001.6f.

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14

Denesuk, M., G. L. Smith, B. J. J. Zelinski, N. J. Kreidl, and D. R. Uhlmann. "Capillary Penetration of Liquid Droplets into Porous Materials." Journal of Colloid and Interface Science 158, no. 1 (1993): 114–20. http://dx.doi.org/10.1006/jcis.1993.1235.

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15

Sheleg, V. K. "Increasing the efficiency of application of capillary-porous powder materials. I. Parameters of the efficiency of capillary-porous powder materials." Soviet Powder Metallurgy and Metal Ceramics 30, no. 3 (1991): 214–16. http://dx.doi.org/10.1007/bf00794909.

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16

Elsen, J., and F. de Barquin. "Simulieren der kapillaren Wasseraufnahme von porösen Werkstoffen des Bauwesens / Modelling of the Capillary Water Absorption of Porous Building Materials." Restoration of Buildings and Monuments 6, no. 3 (2000): 293–306. http://dx.doi.org/10.1515/rbm-2000-5477.

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Abstract Profound knowledge of the moisture transport in porous building materials is essential to understand and to improve their durability. Water flow in these materials is mainly driven by capillary forces and the capillary suction of a porous building material depends on its pore structure. We have designed a statistical model to simulate the capillary water absorption of porous building materials based on invasion percolation rules. A 3D-network with 30x30x100 sites was used and the trapping effect is included. The input for the simulated invasion percolation is a pore size distribution

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17

Petrova, Zh O., B. V. Davydenko, and K. S. Slobodianiuk. "Modeling of heat and mass transfer in the process of drying of colloid capillary - porous materials." Кераміка: наука і життя, no. 2(43) (July 7, 2019): 7–14. http://dx.doi.org/10.26909/csl.2.2019.1.

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The process of drying is an energy-consuming process, therefore, in order to optimize these energy costs during drying and to choose the rational structural and regime parameters of the equipment intended for this process, it is necessary to carry out a calculation analysis of heat and mass transfer on the basis of adequate mathematical models. The study of various mechanisms of diffusion in capillary - porous materials has become the basis for the creation of a mathematical model of heat - mass transfer and for the formulation of a corresponding system of nonlinear differential equations. Usi

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18

Sheleg, V. K. "Increasing the efficiency of using capillary-porous powder materials. II. Materials with steady capillary flow." Soviet Powder Metallurgy and Metal Ceramics 30, no. 5 (1991): 407–11. http://dx.doi.org/10.1007/bf00793669.

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19

Pilinevich, L. P., M. V. Tumilovich, A. G. Kravtsov, D. M. Rumiantsav, and K. V. Hryb. "Research of the process of obtaining capillary-porous materials from metal powders for heat pipes." Doklady BGUIR 19, no. 4 (2021): 5–12. http://dx.doi.org/10.35596/1729-7648-2021-19-4-5-12.

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Heat pipes are designed to effective removing heat from heating elements and reducing the temperature of various devices. Heat pipes with capillary porous structures are designed to operate under conditions of unfavorable gravity forces. Their main advantages are their high heat transfer capacity, as well as the ability to retain the coolant in a capillary-porous structure under dynamic power loads. The purpose of this work is to study the process of obtaining capillary-porous materials from metal powders for heat pipes with increased efficiency of using the vibration molding method. The artic

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20

Wang, J., J. J. Xu, Y. Yang, et al. "Simulations on the gelling process of particle suspension systems for in-situ preparing porous materials in a capillary." International Journal of Modern Physics B 29, no. 04 (2015): 1550015. http://dx.doi.org/10.1142/s0217979215500150.

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The gelling process of particle suspension in a capillary which is crucial for in-situ preparing small size foam products has been simulated with an off-lattice diffusion limited cluster aggregation (DLCA) model by the three-dimensional Monte Carlo simulations. The effects of the model parameters, such as the interaction between capillary wall and particles, particle volume fraction, capillary size etc. on the density distribution of the system have been fully explored. And the aggregation kinetics process over a broad range of volume fractions and interactions have also been discussed. The re

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21

Wang, Li Cheng, and Shu Hong Li. "Numerical Solutions for Capillary Absorption by Cementitious Materials." Applied Mechanics and Materials 94-96 (September 2011): 1560–63. http://dx.doi.org/10.4028/www.scientific.net/amm.94-96.1560.

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Capillary absorption is essential to mass migration in cementitious materials. Based on previous studies, capillary rise involving gravity effects is of much greater interest in porous building materials because equilibrium is attained at the wetting front when gravitational force balance the capillary force. In this paper, two different solution forms, semi-analytical and numerical, are presented to account for the gravity effect for realistical prediction of water penetration process. The former is stable against small perturbation proved by Stepanyants [1]. The comparison of predicted resul

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22

JOEKAR-NIASAR, V., S. M. HASSANIZADEH, and H. K. DAHLE. "Non-equilibrium effects in capillarity and interfacial area in two-phase flow: dynamic pore-network modelling." Journal of Fluid Mechanics 655 (July 5, 2010): 38–71. http://dx.doi.org/10.1017/s0022112010000704.

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Current macroscopic theories of two-phase flow in porous media are based on the extended Darcy's law and an algebraic relationship between capillary pressure and saturation. Both of these equations have been challenged in recent years, primarily based on theoretical works using a thermodynamic approach, which have led to new governing equations for two-phase flow in porous media. In these equations, new terms appear related to the fluid–fluid interfacial area and non-equilibrium capillarity effects. Although there has been a growing number of experimental works aimed at investigating the new e

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23

Zhang, Jianyong, Junxing Chen, Sheng Peng, et al. "Emerging porous materials in confined spaces: from chromatographic applications to flow chemistry." Chemical Society Reviews 48, no. 9 (2019): 2566–95. http://dx.doi.org/10.1039/c8cs00657a.

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24

Hirsch, Hauke, Rüdiger Heyn, and Paul Klõšeiko. "Capillary condensation experiment for inverse modelling of porous building materials." E3S Web of Conferences 172 (2020): 17003. http://dx.doi.org/10.1051/e3sconf/202017217003.

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Hygrothermal simulations are of major importance for critical problems in building physics, such as the application of internal insulation in heritage buildings. These simulations require numerous material parameters that are challenging to determine. We present measurements of typical internal insulation materials, calcium-silicate and autoclaved aerated concrete, which we expose to a warm, humid climate on one side and a cold temperature on the other side. We measure the moisture gain over time and determine the moisture profile at experiment end. In an inverse modelling approach, the measur

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25

Hartung, Katharina, Carolyn Benner, Norbert Willenbacher, and Erin Koos. "Lightweight Porous Glass Composite Materials Based on Capillary Suspensions." Materials 12, no. 4 (2019): 619. http://dx.doi.org/10.3390/ma12040619.

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In this article, we present a simple, advanced method to produce lightweight tailor-made materials based on capillary suspensions that are made from locally bonded hollow glass spheres with a high total porosity in the range of 70% at apparent densities of 200 kg/m3, having a compressive strength of 0.6 MPa. The amount of added liquid and the particle surface treatment determine the network structure in the pastes and the resulting microstructure of the porous material in a straightforward manner. This structure has a strong impact on the porosity, pore size, and mechanical properties of the f

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26

Hoan, Trinh Minh, Nguyen Van Toan, Nguyen Phu Hung, Pham Van Trinh, Tran Bao Trung, and Doan Dinh Phuong. "Dependence of Particle Size and Geometry of Copper Powder on the Porosity and Capillary Performance of Sintered Porous Copper Wicks for Heat Pipes." Metals 12, no. 10 (2022): 1716. http://dx.doi.org/10.3390/met12101716.

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Permeability and capillary performance are the most important parameters relating to the thermal performance of heat pipes. These parameters are deeply linked to pore structure, which has been influenced by the starting powder utilized. In this paper, the effect of particle size and geometry of copper powder on the porosity and capillary performance of porous wicks were systematically studied. Sintered porous wicks were made from different-sized spherical (58 μm, 89 μm, 125 μm) and dendritic (59 μm, 86 μm, 130 μm) Cu powders. The results demonstrated that the porosity and capillary performance

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27

Vidales, A. M., R. J. Faccio, and G. Zgrablich. "Capillary hysteresis in porous media." Journal of Physics: Condensed Matter 7, no. 20 (1995): 3835–43. http://dx.doi.org/10.1088/0953-8984/7/20/004.

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28

Kryuchkov, Yu N. "Determination of the Average Capillary Radius of Porous Materials." Glass and Ceramics 75, no. 3-4 (2018): 139–44. http://dx.doi.org/10.1007/s10717-018-0043-4.

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29

Alsabry, Abdrahman, Beata Backiel-Brzozowska, and Vadzim I. Nikitsin. "Dependencies for Determining the Thermal Conductivity of Moist Capillary-Porous Materials." Energies 13, no. 12 (2020): 3211. http://dx.doi.org/10.3390/en13123211.

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A method of determining the effective thermal conductivity of moist capillary-porous materials has been proposed, in which calculations are carried out while taking into account all components of the system (solid, liquid and gas) at once. The method makes it easy to take into account the way water is distributed in the pore space of the material, either as isolated inclusions (drops) or as a continuous component, depending on the moisture content of the material. In the analysis of heat transport in moist capillary-porous materials, the theory of generalized conductivity is used and the struc

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30

Primi, P., and F. H. Wittmann. "Einfluss des Feuchtigkeitsgehaltes auf das kapillare Saugen / Influence of Moisture Content on Capillary Suction." Restoration of Buildings and Monuments 2, no. 5 (1996): 415–26. http://dx.doi.org/10.1515/rbm-1996-5132.

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Abstract Some surface treatments such as hydrophobing and realcalisation rely on capillary suction as the driving force. In this context, the critical admissible moisture content must be known. The porous structure of a series of different building materials has been characterized. The porosity and pore size distribution has been determined on 3 different types of autoclaved aerated concrete (AAC), on samples made of hardened cement paste with 3 different water-cement ratios, on natural sandstone and on burned brick. The sorption isotherm and at each equilibrium moisture content the remaining

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31

Zamytskyi, O. V., N. O. Holiver, N. V. Bondar, and S. O. Kradozhon. "Mathematical model of the process of drying fine dispersed materials under the influence of alternating electric current." Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, no. 3 (2021): 51–56. http://dx.doi.org/10.33271/nvngu/2021-3/051.

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Purpose. Establishing the dependences and determining rational parameters of the process of drying fine materials by direct influence of an electric current. Methodology. In the work, theoretical, analytical, empirical, and experimental methods as well as methods of mathematical statistics are used. Mathematical modeling of the process occurring during drying of finely dispersed materials by direct influence of alternating current is carried out. Findings. As a result of the research on the basis of physical representations of the process of drying capillary-porous material, a mathematical mod

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32

Fan, Jie, Cai-Xia Li, Yuan-Yuan Qi, Li-Li Wang, Wan Shou, and Yong Liu. "Liquid transport in non-uniform capillary fibrous media." Textile Research Journal 89, no. 9 (2018): 1684–98. http://dx.doi.org/10.1177/0040517518779248.

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Liquid transport in porous materials is affected significantly by the geometry of the non-uniform capillaries. In this study, an N-section lotus-rhizome-node-like non-uniform capillary model was for the first time proposed based on the plane Poiseuille flow and capillary pressure equation to investigate the liquid transport in porous fibrous media. Normalized total flow time of the non-uniform capillary was obtained as a function of the height and width ratio between the converging and diverging nodes and their total number. The results indicated that the velocity of liquid transport greatly d

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33

Hird, Robert, and Malcolm D. Bolton. "Migration of sodium chloride in dry porous materials." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2186 (2016): 20150710. http://dx.doi.org/10.1098/rspa.2015.0710.

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Groundwater can saturate soil above the water table within the capillary fringe associated with the pore size of the parent soil. External evaporation has been viewed as a mechanism for enhancing upward flow, potentially creating problems of salt heave beneath roads and foundations if the groundwater is saline, analogous to concerns with efflorescence in masonry. The role of internal evaporation in promoting crystallization, and especially in altering the transport process of the pore fluid, has been recognized but is only partially understood. The purpose of this paper is to examine evidence

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34

Sheleg, V. K. "Increasing the efficiency of using capillary-porous powder materials. III. Infiltrating materials." Soviet Powder Metallurgy and Metal Ceramics 30, no. 7 (1991): 588–91. http://dx.doi.org/10.1007/bf00794651.

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35

Fukui, Kazuma, and Satoru Takada. "Water uptake of porous building materials with extremely small air entrapment effects." Journal of Physics: Conference Series 2654, no. 1 (2023): 012033. http://dx.doi.org/10.1088/1742-6596/2654/1/012033.

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Abstract When a porous material is near capillary saturation, entrapped air is expected to affect water transfer through the pores. Based on the results of water absorption tests at reduced air pressure, Janssen et al. (Energy Procedia, 2015) demonstrated that air entrapment prevents water absorption above capillary saturation. In this study, to understand the air entrapment effects on water transfer in the high-water-saturation region, we further examined the water transfer characteristics corresponding to extremely small air entrapment effects. First, using three common porous building mater

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Škramlík, Jan, Miloslav Novotný, Ondřej Fuciman, and Karel Šuhajda. "3D Data for Calculation of Capillary Conductivity Coefficient." Advanced Materials Research 688 (May 2013): 180–84. http://dx.doi.org/10.4028/www.scientific.net/amr.688.180.

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The moisture in building construction material affects the physical properties of buildings and he may lead to their degradation. With few exceptions, building materials are almost never dry. For the expected negative effect of moisture on building materials of structures is needed accurate method of determining the characteristics of their moisture as possible. The capillary conductivity coefficient characterizes transfer of liquid moisture in porous material. The method for its determination is experimentally arranged in such a way that it is possible to apply diffusion equation derived from

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Chovniuk, Yurii, Petro Cherednichenko, Anna Moskvitina, Mariia Shyshyna, Nataliia Shudra, and Evhen Ivanov. "Hyperbolic models in the analysis of heat and moisture exchange in inhomogeneous porous materials." Strength of Materials and Theory of Structures, no. 113 (November 29, 2024): 227–40. https://doi.org/10.32347/2410-2547.2024.113.227-240.

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The paper uses hyperbolic models for the analysis of heat and moisture exchange in inhomogeneous porous materials in which short heat pulses propagate. The heat transfer in sharply inhomogeneous media at room temperature is not described by Fourier and Cattaneo laws, but is modeled by Guyer-Krumhansl-type equations. The O.V. Lykov system of equations of interrelated heat and mass transfer taking into account the finiteness of heat and mass (moisture) transfer rates is solved using a one-dimensional formulation. However, the heat propagation velocity is of the order of the sound speed, so due t

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38

Lukovičová, Jozefa, Gabriela Pavlendová, Ivan Baník, and Rudolf Podoba. "Determination of Poroelastic Parameters of Porous Building Materials." Defect and Diffusion Forum 353 (May 2014): 189–92. http://dx.doi.org/10.4028/www.scientific.net/ddf.353.189.

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Variations of sorption moisture in the capillary porous materials result in strong fluid-skeleton interactions due to molecular and surface forces, which produce moisture-induced deformation. The effect of moisture sorption on the non-linear elastic behavior of hygroscopic porous building materials has been experimentally investigated showing strong influence of moisture especially in the lower moisture content range. In the framework poroelasticity moisture influence on elastic behavior is described by two poroelastic coefficients, which present the fluid-skeleton coupling. This paper present

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Fei, Linlin, Dominique Derome, and Jan Carmeliet. "How to design the drying of porous materials?" Journal of Physics: Conference Series 2654, no. 1 (2023): 012079. http://dx.doi.org/10.1088/1742-6596/2654/1/012079.

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Abstract The convective drying of porous materials is studied at the pore scale using a two-component two-phase Lattice Boltzmann model. Capillary pumping from coarse to fine pores is found to enhance the drying in first drying period at high rate. A ‘toy’ model of four connected channels is developed to design the drying of porous materials. This approach has to be seen to supplement the continuum modelling of drying using known moisture transport properties and convective moisture transfer coefficient, allowing to better understand convective drying and design the pore structure to optimize

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40

Záleská, Martina, Milena Pavlíková, Zbyšek Pavlík, and Robert Černý. "Retention Curves of Different Types of Sandstone." Advanced Materials Research 982 (July 2014): 44–48. http://dx.doi.org/10.4028/www.scientific.net/amr.982.44.

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Retention curve is the basic material property used in models for simulation of moisture storage in porous materials. The measurement of retention curves (also called suction curves, capillary potential curves, capillary-pressure functions and capillary-moisture relationships) is described in this paper. The water storage of different types of sandstone, the materials frequently used on the Czech territory for many centuries mainly for architectonic details and sculptures, is studied in using pressure plate apparatus. The obtained data gives information on materials behaviour in contact with l

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41

Petrova, Zh O., V. M. Vyshnievskyi, Yu P. Novikova, and A. I. Petrov. "Investigation of the dispersion processes of composite colloidal capillary-porous materials." Кераміка: наука і життя, no. 4(45) (December 27, 2019): 21–25. http://dx.doi.org/10.26909/csl.4.2019.3.

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The technology of drying colloidal capillary-porous materials to a final humidity of 6-8%, developed at the Institute of Technical Thermophysics of the NAS of Ukraine, allowed to obtain a brittle state, in which it is possible to grind this product to small particles. The most suitable for industrial grinding of the dried composite colloidal capillary-porous materials is the impact method, because when wiping and crushing the material has accumulated, stuck to the working surface. Powders are characterized by one pronounced maximum corresponding to the particle size of the powder o

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Синцов, А., A. Sintsov, Владимир Девисилов, and Vladimir Devisilov. "Capillary Scanning of a Porous Matrix. Experimental Techniques and Processing of its Results." Safety in Technosphere 7, no. 4 (2019): 29–42. http://dx.doi.org/10.12737/article_5cf669e65b8b77.11704754.

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The article presents an analysis of the possibilities of the previously unused method for the experimental study of porous permeable materials and the determination of their structural characteristics. The purpose of the experiment is to determine the geometric parameters of the porous matrix, which integrates the characteristics of the porous material. An example of analytical scanning of a porous structure is considered. A review of existing experimental methods is given. A scheme of the experimental setup, methods for conducting a capillary experiment and processing the data obtained are pr

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Davydenko, B. V., and K. M. Samoilenko. "THEORETICAL AND EXPERIMENTAL ANALYSIS OF DRYING KINETICS OF COLLOID CAPILLARY-POROUS MATERIALS AS DRYING OBJECTS." Thermophysics and Thermal Power Engineering 46, no. 2 (2024): 42–51. http://dx.doi.org/10.31472/ttpe.2.2024.5.

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Considering the current situation in the energy sector of Ukraine, the urgent need to improve and develop energy-efficient thermal technologies for dehydration of plant raw materials is urgent and timely, which would ensure minimal energy consumption and high quality of the final product. The processing of vegetable raw materials into dried products is important for the sustainable development of the food industry. Cultivated Pleurotus eryngii mushrooms, which are valued for their high content of protein, carbohydrates, unsaturated fatty acids, vitamins and other nutrients, etc., are increasin

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Suchorab, Zbigniew, Marcin K. Widomski, Grzegorz Łagód, Danuta Barnat-Hunek, and Piotr Smarzewski. "Methodology of Moisture Measurement in Porous Materials Using Time Domain Reflectometry / Metodyka Prowadzenia Badań Wilgotności W Ośrodkach Porowatych Za Pomocą Reflektometrii W Domenie Czasu." Chemistry-Didactics-Ecology-Metrology 19, no. 1-2 (2014): 97–107. http://dx.doi.org/10.1515/cdem-2014-0009.

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Abstract The article presents the description of measurement methodology of moisture transport in unsaturated porous materials using Time Domain Reflectometry (TDR) technique on the example of measurement of capillary uptake phenomenon in the sample of autoclaved aerated concrete (AAC). In the paper there are presented basic principles of the TDR method as a technique applied in metrology, its potential for measurement of moisture in porous materials like soils and porous building materials. Second part of the article presents the experiment of capillary rise process in the sample of AAC. With

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Taurbayev, Y. T., K. A. Gonchar, A. V. Zoteev, et al. "Electrochemical Nanostructuring of Semiconductors by Capillary-Cell Method." Key Engineering Materials 442 (June 2010): 1–6. http://dx.doi.org/10.4028/www.scientific.net/kem.442.1.

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Wafers of silicon and compound semiconductors are nanostructured by using electrochemical or chemical etching (stain etching) in etching cell with electrolyte kept by capillary forces. Atomic force microscopy, infrared spectroscopy and Raman scattering methods reveale nanoporous and nanocrystalline structure of the treated surfaces. The formed porous semiconductors demonstrate efficient photoluminescence, which is controlled by etching parameters, i.e. current density, electrolyte content, etc. These results indicate good prospects of the employed capillary-cell method for preparing nanostruct

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Lago, Marcelo, and Mariela Araujo. "Capillary Rise in Porous Media." Journal of Colloid and Interface Science 234, no. 1 (2001): 35–43. http://dx.doi.org/10.1006/jcis.2000.7241.

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Kirianova, Liudmila. "Mathematical model of the porous-capillary body in construction materials." IOP Conference Series: Materials Science and Engineering 365 (June 2018): 042027. http://dx.doi.org/10.1088/1757-899x/365/4/042027.

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Shen, Vincent K., Daniel W. Siderius, and Nathan A. Mahynski. "Molecular simulation of capillary phase transitions in flexible porous materials." Journal of Chemical Physics 148, no. 12 (2018): 124115. http://dx.doi.org/10.1063/1.5022171.

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Petrova, Zh A., and E. S. Slobodyanyuk. "Energy-Efficient Modes of Drying of Colloidal Capillary-Porous Materials." Journal of Engineering Physics and Thermophysics 92, no. 5 (2019): 1231–38. http://dx.doi.org/10.1007/s10891-019-02038-x.

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Gel'miza, V. I. "Failure of porous capillary materials under high-intensity thermal loading." Soviet Applied Mechanics 24, no. 6 (1988): 620–23. http://dx.doi.org/10.1007/bf01890823.

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