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Artykuły w czasopismach na temat „Effets fluides”

Autor: Grafiati

Data publikacji: 23 listopada 2024

Data aktualizacji: 31 lipca 2025

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1

Fruman, D. H., and F. Beuzelin. "Effets thermiques dans la cavitation des fluides cryogéniques." La Houille Blanche, no. 7-8 (December 1992): 557–61. http://dx.doi.org/10.1051/lhb/1992057.

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Laycock, Dallin P., Rick D. Schroeder, and Reza Safari. "Breaking boulders: experimental examination of hydraulic fracturing in the Montney Formation." Bulletin of Canadian Energy Geoscience 71, no. 1 (2024): 41–62. http://dx.doi.org/10.35767/gscpgbull.71.1.41.

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Abstract The low permeabilities of unconventional reservoirs such as the Montney Formation require hydraulic fracturing to enhance fluid flow and achieve economic production of hydrocarbons. Efficient hydraulic fracturing operations rely on properly characterizing the controlling factors responsible for fracture complexity, fracture conductivity, and fracture dimensions. Since direct observation of fractures in the subsurface are very challenging, technologies have been developed to help characterize fractures in laboratories. However, the scale of these tools is insufficient to capture the fi

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3

Périer, Antoine, and Daniel Marcelli. "Du schéma corporel à l’image du corps : quelques réflexions sur les tensions entre sexe et genre autour de la puberté." La psychiatrie de l'enfant Vol. 67, no. 2 (2024): 59–78. https://doi.org/10.3917/psye.672.0059.

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Comment se négocient les rapports entre schéma corporel et image du corps avec l’arrivée des transformations pubertaires ? Comment la qualité de ces rapports peut influencer la question centrale de l’identité en particulier sexuelle qui reste pour l’adolescent une quête permanente ? A ces questionnements habituels s’ajoutent de nos jours les effets de la dé-coalescence du genre et du sexe, problématique nouvelle qui a fait une brutale irruption chez ces adolescent/es toujours avides de nouveauté ! Avoir le choix de son genre, de son sexe devient sous nos yeux une revendication de ces « adolesc

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4

Al-Sharai, Abdo Ali, Chin Fhong Soon, Chan Hwang See, See Khee Yee, Kian Sek Tee, and Mohammed Abdul Wahab. "MODELLING OF CO-AXIAL AND TRI-AXIAL MILLI-FLUIDIC DEVICES FOR CO-EXTRUSION OF SEMI-SOLID SOLIDS." ASEAN Engineering Journal 13, no. 2 (2023): 93–100. http://dx.doi.org/10.11113/aej.v13.18953.

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With the use of a milli-fluidics device, it is possible to manipulate small amounts of fluid in the millimeter range with pinpoint accuracy. The milli-fluidics are currently lacking in studies of the relationship between fluid viscosity, output velocity and output pressure. Thus, this study examines the effects of viscosity on fluid dynamics in the co-axial and tri-axial milli-fluidics. This geometry of the co-axial and tri-axial milli-fluidics consist of single outlet, two inlets and three inlets, respectively. The tri-axial milli-fluidics is 46 mm long and 11.31 mm wide, while, the coaxial m

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5

Althobaiti, Nesreen. "Importance of Activation Energy on Magnetized Dissipative Casson-Maxwell Fluid through Porous Medium Incorporating Chemical Reaction, Joule Heating, and Soret Effects: Numerical Study." Journal of Applied Mathematics 2024 (January 5, 2024): 1–14. http://dx.doi.org/10.1155/2024/5730530.

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In recent decades, the study of non-Newtonian fluids has attracted the interest of numerous researchers. Their study is encouraged by the significance of these fluids in fields including industrial implementations. Furthermore, the importance of heat and mass transfer is greatly increased by a variety of scientific and engineering processes, including air conditioning, crop damage, refrigeration, equipment power collectors, and heat exchangers. The key objective of this work is to use the mathematical representation of a chemically reactive Casson-Maxwell fluid over a stretched sheet circumsta

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6

Fetecau, Constantin, Dumitru Vieru, Lucian Eva, and Norina Consuela Forna. "Memory Effects in the Magnetohydrodynamic Axial Symmetric Flows of Oldroyd-B Fluids in a Porous Annular Channel." Symmetry 16, no. 9 (2024): 1108. http://dx.doi.org/10.3390/sym16091108.

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In this article, we analytically investigate the isothermal magnetohydrodynamic axial symmetric flows of ordinary and fractional incompressible Oldroyd-B fluids through a porous medium in an annular channel. The fluid’s motion is generated by an outer cylinder, which moves along its symmetry axis with an arbitrary time-dependent velocity Vh(t). Closed-form expressions are established for the dimensionless velocity fields of both kinds of fluids, generating exact solutions for any motion of this type. To illustrate the concept, two particular cases are considered, and the velocity fields corres

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7

Lomba, Rosana F. T., Carlos H. M. de Sa´, and Edimir M. Branda˜o. "A New Approach to Evaluate Temperature Effects on Rheological Behavior of Formate-Based Fluids." Journal of Energy Resources Technology 124, no. 3 (2002): 141–45. http://dx.doi.org/10.1115/1.1485293.

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Organic salt brines represent a good alternative to drill through deep productive zones. The literature presents these salts as thermal stabilizers of polymers used in the formulation of drill-in fluids. An extensive study was carried out to evaluate the rheological behavior of formate-based fluids as a function of temperature and density. An analytical expression was developed to correlate shear stresses with temperature for general drilling fluids and a special case of this expression results in a greatly simplified expression that is valid for a number of drilling and completion fluids prod

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8

Fetecau, Constantin, Shehraz Akhtar, and Costică Moroşanu. "Porous and Magnetic Effects on Modified Stokes’ Problems for Generalized Burgers’ Fluids." Dynamics 3, no. 4 (2023): 803–19. http://dx.doi.org/10.3390/dynamics3040044.

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In this paper, exact analytical expressions are derived for dimensionless steady-state solutions corresponding to the modified Stokes’ problems for incompressible generalized Burgers’ fluids, considering the influence of porous and magnetic effects. Actually, these are the first exact solutions for such motions of these fluids. They can easily be particularized to give similar solutions for Newtonian, second-grade, Maxwell, Oldroyd-B and Burgers’ fluids. It is also proven that MHD motion problems of such fluids between infinite parallel plates can be investigated when shear stress is applied a

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9

Babu, Kairavadi Suresh, Vangala Sugunamma, and Vamsi Krishna Narla. "Biomagneto-Hydrodynamic Williamson Fluid Flow and Heat Transfer Over a Stretching Surface: A Spectral Quasi-Linearization Approach." East European Journal of Physics, no. 1 (March 3, 2025): 122–33. https://doi.org/10.26565/2312-4334-2025-1-11.

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The flow and heat transfer of a Williamson fluid subjected to a magnetic field are analyzed and investigated through the spectral quasilinearization method (SQLM). The equations concerned with momentum and energy are obtained from the Navier-Stokes equations, accounting for non-Newtonian effects, viscous dissipation, magnetic forces, and the Lorentz force. The electrically conductive fluid’s interaction with the magnetic field produces the Lorentz force, which strongly modifies flow behaviour by exerting a resistive force against the fluid’s velocity. The method efficiently linearises the non-

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10

Yerin, C. V. "SPECTRAL DEPENDENCIES OF MAGNETOOPTICAL EFFECTS IN MAGNETIC FLUIDS." Eurasian Physical Technical Journal 19, no. 2 (40) (2022): 86–92. http://dx.doi.org/10.31489/2022no2/86-92.

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The spectral dependences of the transmittance and optical anisotropy effects in magnetic fluid have been investigated. It is shown that the refractive index spectra of bulk magnetite known are of little use for the quantitativeand qualitative interpretation of optical effects in magnetic fluids. The transmission, birefringence, and dichroism spectra are calculated using the known refractive index spectra of magnetite. The best agreement with the experiment was obtained using the experimental spectra of the complex refractive index of the powder of magnetite nanoparticles. It is concluded that

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11

Wang, Guo, Rui Shen, Shengchun Xiong, et al. "Research Progress on Nano-Confinement Effects in Unconventional Oil and Gas Energy—With a Major Focus on Shale Reservoirs." Energies 18, no. 1 (2025): 166. https://doi.org/10.3390/en18010166.

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Compared to conventional reservoirs, the abundant nanopores developed in unconventional oil and gas reservoirs influence fluid properties, with nano-confinement effects. The phase behavior, flow characteristics, and solid–liquid interactions of fluids are different from those in conventional reservoirs. This review investigates the physical experiments, numerical simulations, and theoretical calculation methods used in the study of nano-confinement effects in unconventional oil and gas energy. The impact of different methods used in the analysis of fluid phase behavior and movement in nanopore

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12

Adam, Joe A., Frank P. Riley, Juan M. Lopez, Patrick T. Underhill, and Amir H. Hirsa. "Non-Newtonian Interfacial Modeling of Protein Drops Sheared in Microgravity." Fluids 10, no. 3 (2025): 58. https://doi.org/10.3390/fluids10030058.

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Complex fluid interfaces are commonplace in natural and engineered systems and a major topic in the fields of rheology and soft matter physics, providing boundary conditions for a system’s hydrodynamics. The relationship between structure and function dictates how constituents within complex fluids govern flow behavior via constituents changing conformation in response to the local microenvironment to minimize free energy. Both hydrodynamics, such as shear flow, and the presence of air–liquid interfaces are principal aspects of a complex fluid’s environment. The study of fluid interfaces coupl

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13

Song, Sanggeun, Seong Jun Park, Minjung Kim, et al. "Transport dynamics of complex fluids." Proceedings of the National Academy of Sciences 116, no. 26 (2019): 12733–42. http://dx.doi.org/10.1073/pnas.1900239116.

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Thermal motion in complex fluids is a complicated stochastic process but ubiquitously exhibits initial ballistic, intermediate subdiffusive, and long-time diffusive motion, unless interrupted. Despite its relevance to numerous dynamical processes of interest in modern science, a unified, quantitative understanding of thermal motion in complex fluids remains a challenging problem. Here, we present a transport equation and its solutions, which yield a unified quantitative explanation of the mean-square displacement (MSD), the non-Gaussian parameter (NGP), and the displacement distribution of com

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14

Paraskevas, Evangelos Achilleas, and Leandros Perivolaropoulos. "Gravitational Wave Signatures Induced by Dark Fluid Accretion in Binary Systems." Universe 11, no. 2 (2025): 62. https://doi.org/10.3390/universe11020062.

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We investigate the impact of dark fluid accretion on gravitational waveforms emitted by a compact binary system consisting of a supermassive black hole and a stellar-mass black hole. Using a Lagrangian framework with 1 PN and 2.5 PN corrections, we analyze the effects of the spherically symmetric accretion of a fluid with steady-state flow, including those characterized by an equation of state parameter resembling dark energy, on the binary’s dynamics. We validate our approach by comparing it with previous studies in the common region of validity and extend the analysis to include both local e

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15

Alasaly, Hasanaliabbood, and Ibtehal Kareem Shakir. "Enhance the Properties of Lignosulfonate Mud by Adding Nanoparticles of Aluminum Oxide and Iron Oxide." Iraqi Journal of Chemical and Petroleum Engineering 23, no. 4 (2022): 25–32. http://dx.doi.org/10.31699/ijcpe.2022.4.4.

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Oil well drilling fluid rheology, lubricity, swelling, and fluid loss control are all critical factors to take into account before beginning the hole's construction. Drilling fluids can be made smoother, more cost-effective, and more efficient by investigating and evaluating the effects of various nanoparticles including aluminum oxide (Al2O3) and iron oxide (Fe2O3) on their performance. A drilling fluid's performance can be assessed by comparing its baseline characteristics to those of nanoparticle (NPs) enhanced fluids. It was found that the drilling mud contained NPs in concentrations of 0,

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16

Gorodkin, S., R. James, and W. Kordonski. "Irreversible Effects in Magnetorheological Fluids." Journal of Intelligent Material Systems and Structures 22, no. 15 (2011): 1749–54. http://dx.doi.org/10.1177/1045389x11426180.

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17

Giannitsis, A. T., P. C. Fannin, and S. W. Charles. "Nonlinear effects in magnetic fluids." Journal of Magnetism and Magnetic Materials 289 (March 2005): 165–67. http://dx.doi.org/10.1016/j.jmmm.2004.11.048.

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Joshi, Amey. "Elastic effects in superposed fluids." Physics of Fluids 26, no. 2 (2014): 024113. http://dx.doi.org/10.1063/1.4866608.

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19

Li, Tao, Bin Liu, Jinzhi Zhou, Wenxuan Xi, Xiulan Huai, and Hang Zhang. "A Comparative Study of Cavitation Characteristics of Nano-Fluid and Deionized Water in Micro-Channels." Micromachines 11, no. 3 (2020): 310. http://dx.doi.org/10.3390/mi11030310.

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Hydrodynamic cavitation has been widely applied in micro-fluidic systems. Cavitating flow characteristics are closely related to the fluid properties. In this paper, the cavitation characteristics of Cu nano-fluid in micro-channels were numerically investigated and compared with those of the deionized (DI) water. The mathematical model was verified by comparing the numerical results with the experiment observation. The curved orifice (R = 0.3 mm) was found to have the highest efficiencies of cavitation for both fluids. With the increase of inlet pressure, cavitating jet lengths of the two flui

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20

Berkovsky, B. M., and N. N. Smirnov. "Capillary hydrodynamic effects in high magnetic fields." Journal of Fluid Mechanics 187 (February 1988): 319–27. http://dx.doi.org/10.1017/s0022112088000448.

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A set of hydrodynamic equations has been applied to processes occurring in non-conductive fluids placed into magnetic fields. The equations are valid for equilibrium magnetization within the framework of a continuous medium. The ranges of physical parameters have been evaluated for which magnetization of a fluid should be taken into account in problems concerning the determination of equilibrium forms, and flows and their stability. The conclusion has been drawn that magnetization of natural fluids in these problems must be taken into consideration for fluids in high (exceeding 1 T) magnetic f

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21

King, Danielle, Hakan Başağaoğlu, Hoa Nguyen, Frank Healy, Melissa Whitman, and Sauro Succi. "Effects of Advective-Diffusive Transport of Multiple Chemoattractants on Motility of Engineered Chemosensory Particles in Fluidic Environments." Entropy 21, no. 5 (2019): 465. http://dx.doi.org/10.3390/e21050465.

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Motility behavior of an engineered chemosensory particle (ECP) in fluidic environments is driven by its responses to chemical stimuli. One of the challenges to understanding such behaviors lies in tracking changes in chemical signal gradients of chemoattractants and ECP-fluid dynamics as the fluid is continuously disturbed by ECP motion. To address this challenge, we introduce a new multiscale numerical model to simulate chemotactic swimming of an ECP in confined fluidic environments by accounting for motility-induced disturbances in spatiotemporal chemoattractant distributions. The model acco

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22

Shah, Nehad Ali, Bander Almutairi, Dumitru Vieru, and Ahmed A. El-Deeb. "The Effects of Thermal Memory on a Transient MHD Buoyancy-Driven Flow in a Rectangular Channel with Permeable Walls: A Free Convection Flow with a Fractional Thermal Flux." Fractal and Fractional 7, no. 9 (2023): 664. http://dx.doi.org/10.3390/fractalfract7090664.

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This study investigates the effects of magnetic induction, ion slip and Hall current on the flow of linear viscous fluids in a rectangular buoyant channel. In a hydro-magnetic flow scenario with permeable and conducting walls, one wall has a temperature variation that changes over time, while the other wall keeps a constant temperature; the research focuses on this situation. Asymmetric wall heating and suction/injection effects are also examined in the study. Using the Laplace transform, analytical solutions in the Laplace domain for temperature, velocity and induced magnetic field have been

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23

Ravazzoli, P. D., A. G. González, and J. A. Diez. "GRAVITY EFFECTS IN THE RETRACTION OF LIQUID FILAMENTS RESTING ON AN INCLINED PLANE." Anales AFA 33, Special Fluids (2022): 52–56. http://dx.doi.org/10.31527/analesafa.2022.fluidos.52.

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We study the retraction of liquid filaments resting on inclined solid substrates under partially wetting condition. This one causes each extreme of the filament to retract and form a region of mass accumulation (head) that subsequently develops a neck at its rear part. This neck then breaks up into a separate drop, while the rest of the filament restarts the sequence. In the horizontal case, this process is symmetric and leads to a regular arrangement of evenly spaced drops. When the substrate is inclined, gravity acts differently at each end, thus modifying the distance retracted by each end,

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S., Kalaivanan, and R. Manigandan P. "INFLUENCE OF NANO EFFECT ON VAPOUR COMPRESSION REFRIGERATION SYSTEM (VCRS) IN U TYPE SERPENTINE TUBE CONDENSER." International Journal of Advanced Trends in Engineering and Technology 2, no. 1 (2017): 79–86. https://doi.org/10.5281/zenodo.546773.

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Nano fluids are a new class of fluids engineered by dispersing nanometre –seized materials (nanoparticls, nano fibers, nano tube, nano wire, nano rods, nano sheet, or droplets) in base fluids. Flow condensing experiments for refrigerant R-134a and R-404a mixed with nano fluid in serpentine small diameter U-tube will be calculated. In this work Refrigerant properties like Co efficient of Performances, Refrigerant Effect, Overall heat transfer co efficient will calculate for air cooled condenser and the result is going to compared with serpentine tube condenser. Nano fluids normally enrich the h

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25

Jamil, Muhammad, and Najeeb Alam Khan. "Slip Effects on Fractional Viscoelastic Fluids." International Journal of Differential Equations 2011 (2011): 1–19. http://dx.doi.org/10.1155/2011/193813.

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Unsteady flow of an incompressible Maxwell fluid with fractional derivative induced by a sudden moved plate has been studied, where the no-slip assumption between the wall and the fluid is no longer valid. The solutions obtained for the velocity field and shear stress, written in terms of Wright generalized hypergeometric functions , by using discrete Laplace transform of the sequential fractional derivatives, satisfy all imposed initial and boundary conditions. The no-slip contributions, that appeared in the general solutions, as expected, tend to zero when slip parameter is . Furthermore, th

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26

Zhao, T., and H. R. Ma. "Column size effects of DER fluids." European Physical Journal E 5, no. 4 (2001): 481–83. http://dx.doi.org/10.1007/s101890170055.

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Hunter, L. W., F. F. Mark, D. A. Kitchin, et al. "Optical Effects of Electro-Rheological Fluids." Journal of Intelligent Material Systems and Structures 4, no. 3 (1993): 415–18. http://dx.doi.org/10.1177/1045389x9300400316.

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Long, Z. Q., P. Zhang, and B. Shen. "Thermomechanical effects in supercritical binary fluids." International Journal of Heat and Mass Transfer 99 (August 2016): 470–84. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2016.03.104.

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McLean, D. J., and A. D. Shaw. "Intravenous fluids: effects on renal outcomes." British Journal of Anaesthesia 120, no. 2 (2018): 397–402. http://dx.doi.org/10.1016/j.bja.2017.11.090.

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Bruyn, John R. de, and David A. Balzarini. "Quantum effects near the liquid–vapour critical point." Canadian Journal of Physics 68, no. 4-5 (1990): 449–53. http://dx.doi.org/10.1139/p90-069.

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We gather together a number of recent measurements of the coexistence curve and compressibility of fluids close to the critical point, and investigate the variation of the critical exponents and amplitudes as quantum effects become more important. We find that the universal critical exponents and amplitude ratios are the same for quantum fluids as for room-temperature fluids, as expected. Some of the nonuniversal critical amplitudes, however, show systematic variations as quantum effects become significant, in at least qualitative agreement with theoretical predictions.

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Kim, Bongsu, Soyoung Kwon, Manhee Lee, QHwan Kim, Sangmin An, and Wonho Jhe. "Probing nonlinear rheology layer-by-layer in interfacial hydration water." Proceedings of the National Academy of Sciences 112, no. 51 (2015): 15619–23. http://dx.doi.org/10.1073/pnas.1515033112.

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Viscoelastic fluids exhibit rheological nonlinearity at a high shear rate. Although typical nonlinear effects, shear thinning and shear thickening, have been usually understood by variation of intrinsic quantities such as viscosity, one still requires a better understanding of the microscopic origins, currently under debate, especially on the shear-thickening mechanism. We present accurate measurements of shear stress in the bound hydration water layer using noncontact dynamic force microscopy. We find shear thickening occurs above ∼ 106s−1shear rate beyond 0.3-nm layer thickness, which is att

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32

Desgranges, Caroline, and Jerome Delhommelle. "Many-Body Effects on the Thermodynamics of Fluids, Mixtures, and Nanoconfined Fluids." Journal of Chemical Theory and Computation 11, no. 11 (2015): 5401–14. http://dx.doi.org/10.1021/acs.jctc.5b00693.

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XU, M. X., W. G. WANG, and Y. Y. ZHANG. "EFFECTS OF NONMAGNETIC SPHERES ON THE MAGNETO-OPTICS OF Fe3O4 COMPOSITE MAGNETIC FLUIDS." International Journal of Modern Physics B 24, no. 28 (2010): 5553–60. http://dx.doi.org/10.1142/s0217979210056207.

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Both pure Fe 3 O 4 magnetic fluids and containing polystyrene sphere composite magnetic fluids have been prepared. The magneto-optical characteristics such as magnetic birefringence and linear dichroism of both magnetic fluids and composite magnetic fluids have been investigated by the magneto-optically modulated double-frequency method. The results reveal that the order structure of nonmagnetic spheres and the interactions between the spheres and the neighbor magnetic chains of Fe 3 O 4 particles in the composite magnetic fluids strongly affect the magneto-optical properties. The magneto-opti

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Odenbach, S. "Magnetoviscous Effects In Ferrofluids." Applied Rheology 10, no. 4 (2000): 178–84. http://dx.doi.org/10.1515/arh-2000-0011.

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Abstract Suspensions of magnetic particles with diameters in the nanometer range exhibit longterm sedimentation stability as well as the possibility of magnetic field induced control of their properties and flow. One of the most famous field induced effects is the change of viscosity of the fluids due to the action of magnetic influences. An explanation of these effects on basis of microscopic models is a challenging field of actual experimental and theoretical research. Within this article the state of knowledge on magnetoviscous effects in magnetic fluids will be summarized and in particular

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Chetti, Boualem. "Analysis of a circular journal bearing lubricated with micropolar fluids including EHD effects." Industrial Lubrication and Tribology 66, no. 2 (2014): 168–73. http://dx.doi.org/10.1108/ilt-12-2011-0114.

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Purpose – The performance of finite circular journal bearing lubricated with micropolar fluids taking into account the elastic deformation of the bearing liner is presented. The paper aims to discuss these issues. Design/methodology/approach – The modified Reynolds equation is obtained using the micropolar lubrication theory. The solution of the modified Reynolds equation is determined using finite difference technique. The static characteristics in terms of load-carrying capacity, attitude angle, side leakage and friction coefficient for micropolar and Newtonian fluids are determined for vari

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Hamilton, Ben, та J. G. Brisson. "Modified 3ω conductivity technique for measurements of thermal conductivity in cryogenic fluids". IOP Conference Series: Materials Science and Engineering 1301, № 1 (2024): 012164. http://dx.doi.org/10.1088/1757-899x/1301/1/012164.

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Abstract An instrument based on a modification to the 3-omega thermal conductivity technique that allows precise measurement of thermal properties in fluids is presented. Existing hot-wire techniques have difficulty measuring thermal conductivity because of the effects of natural convection distorting the measurement, however the standard 3-omega technique has been used extensively in the measurement of the properties of solids with great success. To address the challenge posed by natural convection in fluids, we modify the boundary condition of the 3-omega device configuration to be finite in

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Claes, Leander, Lars Moritz Hülskämper, Elmar Baumhögger, et al. "Acoustic absorption measurement for the determination of the volume viscosity of pure fluids / Messverfahren für die akustischen Absorption zur Bestimmung der Volumenviskosität reiner Fluide." tm - Technisches Messen 86, s1 (2019): 2–6. http://dx.doi.org/10.1515/teme-2019-0038.

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AbstractA realistic description of fluid mechanical and acoustic processes requires the volume viscosity of the medium to be known. This work describes how the volume viscosity of pure fluids can be determined by measuring acoustic absorption with the pulse-echo method. The challenge in realizing such a measurement method lies in the separation of the different dissipative effects that superimpose on absorption. Diffraction effects ultimately cause a dissipation of acoustic energy and acoustic reflector surfaces have a small, but finite transmission coefficient. Further, influences of the tran

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Ahmad, Samaila Kenga-Kwai, Sani Abdullahi Aliero, Muhammad Ibtrahim, and Halima Usman. "Impacts of Exponentially Growing/Decaying Pressure Gradient on Mixed Convection Flow of Viscous Reactive Fluid in a Vertical Tube: A Numerical Approach." Saudi Journal of Engineering and Technology 8, no. 07 (2023): 181–88. http://dx.doi.org/10.36348/sjet.2023.v08i07.004.

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This study examined the effects of a pressure gradient that was exponentially increasing or decreasing on the mixed convection flow of viscous reactive fluids in a vertical tube between two concentric tubes with r = 0 and r = b. The nonlinear partial differential equation governing the flow formation are solved using the implicit finite difference form where all time differentials were calculated using the forward difference formula, and second order central differences were utilized to approximate the first and second derivatives. The impacts of several physical parameters, including shear st

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Fernandes, Célio, Luís L. Ferrás, and Alexandre Afonso. "A Primer on CFD-DEM for Polymer-Filled Suspensions." Applied Sciences 13, no. 4 (2023): 2466. http://dx.doi.org/10.3390/app13042466.

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This work reports on an evaluation of the computational fluid dynamics–discrete element method (CFD-DEM) numerical approach to study the behavior of polymer-filled suspensions in a parallel-plate rheometer. For this purpose, an open-source CFD-DEM solver is used to model the behavior of such suspensions considering different particle volume fractions and different types of fluid rheology. We first validate the numerical approach for the single-phase flow of the continuum phase (fluid phase) by comparing the fluid’s azimuthal velocity and shear stress components obtained from the open-source so

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Korobeinikov, A. "Numerical simulation of the oscillations of non-newtonian viscous fluids with a free surface." Journal of Applied Mathematics and Decision Sciences 4, no. 2 (2000): 111–23. http://dx.doi.org/10.1155/s1173912600000080.

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Non-Newtonian fluids are increasingly being transported by a variety of vehicles. It has been observed that vehicles containing such fluids demonstrate behaviour which could be explained only by non-linearity characteristics of such fluids. In this paper small oscillations of non-Newtonian fluids in tanks are considered. A numerical method suitable for both Newtonian and non-Newtonian fluids is suggested. Examples of numerical simulations with emphasis on Bingham fluids are given to demonstrate effects of non-linear properties.

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Chang, Kuo T., and Rong F. Huang. "Development and Characterization of Jet-Injected Vee-Gutter." Journal of Mechanics 20, no. 1 (2004): 77–83. http://dx.doi.org/10.1017/s1727719100004068.

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ABSTRACTThe vee-gutter, which was conventionally used in a combustor for flame holding, was re-designed by employing the unsteady Coanda effect to inject fluids periodically into near wake of the vee-gutter. Fluidic targets were developed to induce self-sustained transverse oscillation of slit-jet. The self-sustained oscillating jet was conducted through passages and injected into the near wake of the vee-gutter. The behaviors and frequency characteristics of the slit-jet in the oscillation cavity and the turbulence properties in the wake were studied experimentally in a wind-tunnel by using t

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Smeys, Celeste, Freya Van Hulle, Florine Janssens, and Karlien François. "New Fluids for Peritoneal Dialysis : why do we need them and what is it about?" Bulletin de la Dialyse à Domicile 8, no. 2 (2025): 63–75. https://doi.org/10.25796/bdd.v8i2.87078.

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Peritoneal dialysis (PD) fluids generate concentration and osmotic gradients across the peritoneal membrane to remove uremic toxins and to achieve ultrafiltration. The use of current-era dialysis fluids also drives peritoneal and systemic pro-inflammatory, pro-fibrotic and pro-angiogenic processes that could be linked to patient outcomes. As the most frequent causes of PD technique failure are mortality, infections, insufficient solute clearance and ultrafiltration failure, it is important to reflect on the effects and modifiable power of the PD fluids’ compositions. This paper discusses the p

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Wieslander, Anders P., Anders H. G. Andrén, Carin Nilsson-Thorell, Natalia Muscalu, Per T. T. Kjellstrand, and Bengt Rippe. "Are Aldehydes in Heat-Sterllized Peritoneal Dialysis Fluids Toxic in Vitro?" Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis 15, no. 4 (1995): 348–52. http://dx.doi.org/10.1177/089686089501500411.

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Objective Chemical analysis of several brands of peritoneal dialysis fluids (PD fluids) has revealed the presence of 2-furaldehyde, 5-HMF (5-hydroxymethylfuraldehyde), acetaldehyde, formaldehyde, glyoxal, and methylglyoxal. The aim of this study was to investigate if the in vitro side effects caused by glucose degradation products, mainly formed during heat sterilization, are due to any of these recently identified aldehydes. Design Cell growth media or sterile filtered PD fluids were spiked with different concentrations ofthealdehydes. Measurements In vitro side effects were determined as the

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Lhermitte, P. "MOUVEMENTS DES MATERIAUX DE FOND SOUS L'ACTION DE LA HOULE." Coastal Engineering Proceedings 1, no. 7 (2011): 13. http://dx.doi.org/10.9753/icce.v7.13.

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Hous exposerons dans cet article, les resultats d'experiences que nous avons obtenues, relativement aux mouvemen des materiaux de fond sous 1'action des houles progressives, et nous tenterons de fournir des schemas d'explication des differenph^ nomenes observes. Certains aspects des mouvements. de materiaux sous 1*action des houles, n© peuvent s'expliquer que par 1*extension de certains phenomenes hydrauliques lies a. la propagation des houles progressives : repartition des courants d'entrainement, effet de viscosite des fluides, developpement de la eouche-limit* pres du fond, etc .... H

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Bobroff, Linda B. "Healthy Eating: Fluids." EDIS 2016, no. 4 (2016): 2. http://dx.doi.org/10.32473/edis-fy070-2016.

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More than one-half of an adult’s body weight is water. Water brings nutrients to the cells in our bodies and removes waste. Our bodies cannot function if they do not receive enough water. This 2-page fact sheet is a major revision that addresses the importance of water to physical functions, effects of dehydration, risk factors for dehydration in older adults, and fluid intake suggestions. Written by Linda B. Bobroff, and published by the UF Department of Family, Youth and Community Sciences, June 2016.

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Fang, Daoyuan, Ting Zhang, and Ruizhao Zi. "Dispersive effects of the incompressible viscoelastic fluids." Discrete & Continuous Dynamical Systems - A 38, no. 10 (2018): 5261–95. http://dx.doi.org/10.3934/dcds.2018233.

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Kume, Eni, Patrick Baroni, and Laurence Noirez. "Highlighting Thermo-Elastic Effects in Confined Fluids." Polymers 13, no. 14 (2021): 2378. http://dx.doi.org/10.3390/polym13142378.

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The recent identification of a finite shear elasticity in mesoscopic fluids has motivated the search of other solid-like properties of liquids. We present an innovative thermal approach of liquids. We identify a dynamic thermo-elastic mesoscopic behavior by building the thermal image produced by different liquids upon applying a low frequency mechanical shear field. We selected three fluids: a low molecular weight polybutylacrylate (PBuA), polypropyleneglycol (PPG), and glycerol. We demonstrate that a part of the energy of the shear strain is converted in cold and hot shear bands varying synch

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Elliott, J. Richard, Uday S. Kanetkar, and Venkatesh J. Vasudevan. "Attractive-force effects in chain molecular fluids." Molecular Physics 71, no. 4 (1990): 883–95. http://dx.doi.org/10.1080/00268979000102181.

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Van Damme, H., C. Laroche, L. Gatineau, and P. Levitz. "Viscoelastic effects in fingering between miscible fluids." Journal de Physique 48, no. 7 (1987): 1121–33. http://dx.doi.org/10.1051/jphys:019870048070112100.

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Biben, Thierry, Peter Bladon, and Daan Frenkel. "Depletion effects in binary hard-sphere fluids." Journal of Physics: Condensed Matter 8, no. 50 (1996): 10799–821. http://dx.doi.org/10.1088/0953-8984/8/50/008.

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