Academic literature on the topic 'Electroviscous'

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Journal articles on the topic "Electroviscous"

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TABATABAEI, S. M., and T. G. M. VAN DE VEN. "Tangential electroviscous drag on a sphere surrounded by a thin double layer near a wall for arbitrary particle–wall separations." Journal of Fluid Mechanics 656 (May 27, 2010): 360–406. http://dx.doi.org/10.1017/s0022112010001199.

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When a charged particle moves along a charged wall in a polar fluid, it experiences an electroviscous lift force normal to the surface and an electroviscous drag, superimposed on the viscous drag, parallel to the surface. Here a theoretical analysis is presented to determine the electroviscous drag on a charged spherical particle surrounded by a thin electrical double layer near a charged plane wall, when the particle translates parallel to the wall without rotation, in a symmetric electrolyte solution at rest. The electroviscous (electro-hydrodynamic) forces, arising from the coupling between
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Østedgaard-Munck, David Nicolas, Jacopo Catalano, and Anders Bentien. "Direct Measurements of Electroviscous Phenomena in Nafion Membranes." Membranes 10, no. 11 (2020): 304. http://dx.doi.org/10.3390/membranes10110304.

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Investigation of electroviscous effects is of interest to technologies that exploit transport of ions through ion exchange membranes, charged capillaries, and porous media. When ions move through such media due to a hydrostatic pressure difference, they interact with the fixed charges, leading to an increased hydraulic resistance. Experimentally this is observed as an apparent increase in the viscosity of the solution. Electroviscous effects are present in all electrochemical membrane-based processes ranging from nanofiltration to fuel-cells and redox flow batteries. Direct measurements of ele
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Warszyński, Piotr, and Theo G. M. van de Ven. "Electroviscous forces." Faraday Discuss. Chem. Soc. 90 (1990): 313–21. http://dx.doi.org/10.1039/dc9909000313.

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van de Ven, T. G. M., P. Warszynski, and S. S. Dukhin. "Attractive electroviscous forces." Colloids and Surfaces A: Physicochemical and Engineering Aspects 79, no. 1 (1993): 33–41. http://dx.doi.org/10.1016/0927-7757(93)80157-a.

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Tabatabaei, S. M., T. G. M. van de Ven, and A. D. Rey. "Electroviscous cylinder–wall interactions." Journal of Colloid and Interface Science 295, no. 2 (2006): 504–19. http://dx.doi.org/10.1016/j.jcis.2004.09.047.

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Khair, Aditya S., and Andrew G. Star. "The bulk electroviscous effect." Rheologica Acta 52, no. 3 (2012): 255–69. http://dx.doi.org/10.1007/s00397-012-0662-6.

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Tabatabaei, S. M., T. G. M. van de Ven, and A. D. Rey. "Electroviscous sphere–wall interactions." Journal of Colloid and Interface Science 301, no. 1 (2006): 291–301. http://dx.doi.org/10.1016/j.jcis.2006.04.047.

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Saurabh, Kumar, and Maxim Solovchuk. "Mathematical and computational modeling of electrohydrodynamics through a nanochannel." AIP Advances 13, no. 1 (2023): 015205. http://dx.doi.org/10.1063/5.0131073.

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Fluid-ion transport through a nanochannel is studied to understand the role and impact of different physical phenomena and medium properties on the flow. Mathematically, the system is described through coupled fourth order Poisson–Nernst–Planck–Bikerman and Navier–Stokes equations. The fourth order-Poisson–Nernst–Planck–Bikerman model accounts for ionic and nonionic interactions between particles, the effect of finite size of the particles, polarization of the medium, solvation of the ions, etc. Navier–Stokes equations are modified accordingly to include both electroviscous and viscoelectric e
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van de Ven, Theo G. M. "Electroviscous phenomena in colloidal dispersions." Chemical Engineering Science 56, no. 9 (2001): 2947–55. http://dx.doi.org/10.1016/s0009-2509(00)00480-2.

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Vainshtein, P., and C. Gutfinger. "On electroviscous effects in microchannels." Journal of Micromechanics and Microengineering 12, no. 3 (2002): 252–56. http://dx.doi.org/10.1088/0960-1317/12/3/309.

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Dissertations / Theses on the topic "Electroviscous"

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Tabatabaei, Seyed Mahmood. "Electroviscous particle-wall interactions." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=19517.

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A theoretical analysis is presented to determine the forces of interaction between an electrically charged cylindrical or spherical particle and a charged plane boundary wall when the particle translates parallel to the wall and rotates around its axis in a symmetric electrolyte at rest. The electroviscous effects, arising from the coupling between the electrical and hydrodynamic equations, are determined as a solution of three partial differential equations, derived from Cox's general theory, for electroviscous ion concentration, electroviscous potential and electroviscous flow field. It is a
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Book chapters on the topic "Electroviscous"

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Nikolajsen, J. L., and M. S. Hoque. "An Electroviscous Damper." In Vibration and Wear in High Speed Rotating Machinery. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-1914-3_25.

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Block, Hermann. "Dielectric and Electroviscous Properties in Flowing Polymer Systems." In Polymers in Solution. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4899-0465-2_2.

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Dhakar, Jitendra, and Ram Prakash Bharti. "Electroviscous Effects in the Electrolyte Liquid Flow Through Heterogeneously Charged Non-uniform Slit Microfluidic Device." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1033-1_37.

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Dhakar, Jitendra, and Ram Prakash Bharti. "Electroviscous Effects in the Electrolyte Liquid Flow Through Asymmetrically Charged Non-Uniform Slit Microfluidic Device." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-66609-4_23.

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"Primary electroviscous effect." In Interface Science and Technology. Elsevier, 2006. http://dx.doi.org/10.1016/s1573-4285(06)80034-7.

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Lemaire, T., C. Moyne, D. Stemmelen, and M. A. Murad. "Electro-chemo-mechanical couplings in swelling clays derived by homogenization: electroviscous effects and Onsager’s relations." In Poromechanics II. CRC Press, 2020. http://dx.doi.org/10.1201/9781003078807-76.

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Conference papers on the topic "Electroviscous"

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Kulinsky, Lawrence, Yuchun Wang, and Mauro Ferrari. "Electroviscous effects in microchannels." In BiOS '99 International Biomedical Optics Symposium, edited by Mauro Ferrari. SPIE, 1999. http://dx.doi.org/10.1117/12.350057.

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Phan, Vinh Nguyen, Chun Yang, and Nam-Trung Nguyen. "Capillary Filling in Nanochannels." In ASME 2009 7th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2009. http://dx.doi.org/10.1115/icnmm2009-82049.

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Capillary filling is the key phenomenon in planar chromatography techniques such as paper chromatography and thin layer chromatography. While capillary filling in channels of micrometers scale are experimentally verified that obeys well to Washburn’s law, there is evident show that the speed of capillary filling in nanochannels is noticeable lower than described by Washburn’s formula. This paper describes a model for capillary filling phenomenon in nanochannel. Experiments on the filling of electrolytic and nonelectrolytic solutions in polymeric nanochannels were carried out. The filling proce
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Bharti, Ram P., Dalton J. E. Harvie, and Malcolm R. Davidson. "Fully Developed Flow of Power-Law Fluid Through a Cylindrical Microfluidic Pipe: Pressure Drop and Electroviscous Effects." In ASME 2008 Fluids Engineering Division Summer Meeting collocated with the Heat Transfer, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/fedsm2008-55128.

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Pressure drop and electroviscous effects in the axisymmetric, steady, fully developed, pressure-driven flow of incompressible power-law fluids through a cylindrical microchannel at low Reynolds number (Re = 0.01) have been investigated. The Poisson-Boltzmann equation (describing the electrical potential) and the momentum equations in conjunction with electrical force and power-law fluid rheology have been solved numerically using the finite difference method. The pipe wall is considered to have uniform surface charge density (S = 4) and the liquid is assumed to be a symmetric electrolyte solut
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Yoda, Minami, and Necmettin Cevheri. "Using Shear and DC Electric Fields to Manipulate and Self-Assemble Dielectric Particles on Microchannel Walls." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37547.

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Manipulating suspended neutrally buoyant colloidal particles of radii a = O(0.1 μm–1 μm) near solid surfaces, or walls, is a key technology in various microfluidics devices. These particles, suspended in an aqueous solution at rest near a solid surface, or wall, are subject to wall-normal “lift” forces described by the DLVO theory of colloid science. The particles experience additional lift forces, however, when suspended in a flowing solution. A fundamental understanding of such lift forces could therefore lead to new methods for the transport and self-assembly of particles near and on solid
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Li, Zhuo, Gui-Hua Tang, Ya-Ling He, and Wen-Quan Tao. "Numerical Investigation of EDL Effects on the Flow Characters of Polar Fluids in Rectangular Microchannels." In ASME 4th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2006. http://dx.doi.org/10.1115/icnmm2006-96073.

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Recently, a large number of experiments have been conducted to examine the applicability of Navier-Stokes equations to predict the friction factor for the laminar flow of polar fluids in microchannels. However, significant discrepancies still exist between various results. In order to investigate the effect of electric double layer on the pressure-driven flow of polar fluid in smooth rectangular microchannels and to reveal whether continuum model can still be applied, numerical investigations are conducted in this paper. The simulated microchannels are made of silicon engraved substrate with P
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Li, Wang-Long. "Effects of Electrokinetic Slip Flow on Lubrication Theory." In ASME/STLE 2007 International Joint Tribology Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ijtc2007-44167.

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A lubrication theory that includes the effects of electric double layer (EDL) and boundary slip is developed. Both effects are important in microflow, and thus in lubrication problems. They have opposite effects on velocity distributions between lubricating surfaces. Also, the velocity distribution induced by the EDL stream potential (electroviscous effect) is affected by the boundary slip. Under the usual assumptions of lubrication and Debye-Hu¨ckel approximation for low surface potential, the Navier-Stokes equation with body force due to the electrical potential as well as the widely accepte
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Li, Baoming, Steven Chai, Fuzhi Tian, and Daniel Y. Kwok. "Interfacial Electrokinetic Effects on Fluid Flow in Microchannel by a Generalized Lattice Boltzmann Model." In ASME 2003 1st International Conference on Microchannels and Minichannels. ASMEDC, 2003. http://dx.doi.org/10.1115/icmm2003-1040.

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A diffuse electric double layer (EDL) in microchannel flow created by the charged surface in contact with an electrolyte solution is characterized by the so-called Debye-Hu¨ckel screening length, which depends on the ionic strength of the solution. Usually, the electric double layer thickness, which is from several nanometers to a few hundreds nanometers, is small in comparison with the microchannel height of a few tens microns. Traditional computational fluid dynamics (CFD) methods for macroscopic hydrodynamic equations have difficulties in such complex fluid dynamics problems involving micro
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Tao, Wen-Quan, Ya-Ling He, Gui-Hua Tang, and Zhuo Li. "No New Physics in Single-Phase Fluid Flow and Heat Transfer in Mini- and Micro-Channels: Is It a Conclusion?" In ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer. ASMEDC, 2008. http://dx.doi.org/10.1115/mnht2008-52007.

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First the flow friction characteristics of nitrogen and helium in stainless steel microtubes, glass microtubes, square glass microchannels, and rectangular silicon microchannels are tested. The data in glass microtubes with diameters from 50 to 201 microns and in square glass channels with characteristic diameters from 52 to 100 microns show that the friction factors are in good agreement with the conventional predictions. The friction factors in stainless-steel tubes with diameters from 119 to 300 microns are much higher than the conventional ones. The results for two of the four silicon micr
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Vance, John M., and Luis A. San Andrés. "Analysis of Actively Controlled Coulomb Damping for Rotating Machinery." In ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/99-gt-175.

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Attempts have been made in the past to use Coulomb damping for vibration suppression in rotating machinery. Typically, a dry friction damper is designed to operate on a flexible bearing support. These designs have usually been unsuccessful in practice, partly because the Coulomb coefficient changes with temperature, with ingress of dirt or lubricant, and with the surface wear conditions. It is known that purely Coulomb damping forces cannot restrain the peak rotor whirl amplitudes at a critical speed. The invention of a disk type of electroviscous damper, utilizing a fluid with electrorheologi
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