Добірка наукової літератури з теми "Weakly conducting liquid"

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Статті в журналах з теми "Weakly conducting liquid"

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Garbovskiy, Yuriy, and Anatoliy Glushchenko. "Frequency-dependent electro-optics of liquid crystal devices utilizing nematics and weakly conducting polymers." Advanced Optical Technologies 7, no. 4 (2018): 243–48. http://dx.doi.org/10.1515/aot-2018-0026.

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Abstract Conducting polymer films acting as both electrodes and alignment layers are very promising for the development of flexible and wearable tunable liquid crystal devices. The majority of existing publications report on the electro-optical properties of polymer-dispersed liquid crystals and twisted nematic liquid crystals sandwiched between highly conducting polymers. In contrary, in this paper, electro-optics of nematic liquid crystals placed between rubbed weakly conducting polymers is studied. The combination of weakly conducting polymers and nematics enables a frequency-dependent tuni
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Grosu, F. P., and M. K. Bologa. "Electrification of weakly conducting liquid dielectrics: An alternative solution." Surface Engineering and Applied Electrochemistry 47, no. 2 (2011): 152–57. http://dx.doi.org/10.3103/s1068375511020050.

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Il’in, V. A., and B. L. Smorodin. "Dynamics of electroconvective structures in a weakly conducting liquid." Journal of Applied Mechanics and Technical Physics 49, no. 3 (2008): 362–68. http://dx.doi.org/10.1007/s10808-008-0050-2.

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PRIEDE, JĀNIS. "Oscillations of weakly viscous conducting liquid drops in a strong magnetic field." Journal of Fluid Mechanics 671 (February 10, 2011): 399–416. http://dx.doi.org/10.1017/s0022112010005781.

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Анотація:
We analyse small-amplitude oscillations of a weakly viscous electrically conducting liquid drop in a strong uniform DC magnetic field. An asymptotic solution is obtained showing that the magnetic field does not affect the shape eigenmodes, which remain the spherical harmonics as in the non-magnetic case. A strong magnetic field, however, constrains the liquid flow associated with the oscillations and, thus, reduces the oscillation frequencies by increasing effective inertia of the liquid. In such a field, liquid oscillates in a two-dimensional (2D) way as solid columns aligned with the field.
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Fan, Leia, Jason Lin, Annie Yu, et al. "Diffusiophoresis of a Weakly Charged Liquid Metal Droplet." Molecules 28, no. 9 (2023): 3905. http://dx.doi.org/10.3390/molecules28093905.

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Diffusiophoresis of a weakly charged liquid metal droplet (LMD) is investigated theoretically, motivated by its potential application in drug delivery. A general analytical formula valid for weakly charged condition is adopted to explore the droplet phoretic behavior. We determined that a liquid metal droplet, which is a special category of the conducting droplet in general, always moves up along the chemical gradient in sole chemiphoresis, contrary to a dielectric droplet where the droplet tends to move down the chemical gradient most of the time. This suggests a therapeutic nanomedicine such
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Ильин, В.А., та Н.Н. Картавых. "Модель электротермической конвекции слабопроводящей жидкости в горизонтальном конденсаторе". Elektronnaya Obrabotka Materialov 53, № 3 (2017): 73–78. https://doi.org/10.5281/zenodo.1053539.

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The electroconvection of a weakly conducting liquid in an alternating electric field of a horizontal capacitor with hard boundary conditions is investigated on the base of a five-mode model in case of instantaneous charge relaxation. Nonlinear regimes of electroconvection are investigated. A card of regimes is constructed. Both quasi-periodic and synchronic oscillation regimes of convection are revealed. It is found that, depending on the external field frequency, the transition to chaos is realized either through quasi-periodicity or through alternation. Изучена электроконвекция слабопроводящ
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Grosua, F. P., and M. K. Bologa. "Rotation of a weakly conducting liquid in crossed electric and magnetic fields." Surface Engineering and Applied Electrochemistry 45, no. 6 (2009): 480–84. http://dx.doi.org/10.3103/s1068375509060076.

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Blokhin, A. M., and A. S. Rudometova. "Stationary flows of a weakly conducting incompressible polymeric liquid between coaxial cylinders." Journal of Applied and Industrial Mathematics 11, no. 4 (2017): 486–93. http://dx.doi.org/10.1134/s1990478917040044.

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SAHİN, SERPİL, and HÜSEYİN DEMİR. "THE LID-DRIVEN HYDROMAGNETIC FLOW OF NEWTONIAN AND NON-NEWTONIAN LIQUIDS IN A SQUARE CAVITY." Journal of Science and Arts 21, no. 3 (2021): 863–78. http://dx.doi.org/10.46939/j.sci.arts-21.3-c05.

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Анотація:
In this paper, we formulate the steady hydromagnetic lid-driven cavity problem in a stream function-vorticity form for weakly electrically conducting Newtonian and non-Newtonian liquids. Then we solve them by using the concept of pseudo time derivative. The classical benchmark results of the Newtonian liquid are recovered as a limiting case and the inhibiting influence of the magnetic field on the Newtonian and non-Newtonian liquids’ flow field is clearly depicted through graphs. We also show certain aspects of the flow for the first time in tables.
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Полянский, В.А., А.А. Монахов та И.Л. Панкратьева. "Об электромагнитных явлениях, возникающих при кавитационном движении жидкости в коаксиальном диэлектрическом канале". Elektronnaya Obrabotka Materialov 53, № 3 (2017): 79–85. https://doi.org/10.5281/zenodo.1053551.

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The paper presents the results of experimental and theoretical studies of flows of a weakly conducting liquid in a narrow coaxial channel with dielectric walls, in which the liquid is glowing. It has been experimentally shown that in addition to visible light radiation, there is also electromagnetic radiation in the radio range and X-ray radiation. Various physical mechanisms that can cause these phenomena are discussed. It is assumed that the main cause of the observed phenomena is associated with electrization of the liquid during its flow in a channel of a complex shape. The results of calc
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Частини книг з теми "Weakly conducting liquid"

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Mutschke, Gerd. "Magnetic Control of Flow and Mass Transfer in Weakly Conducting Fluids." In Topics in Applied Physics. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-58376-6_3.

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Анотація:
AbstractMagnetic fields may be utilized for controlling flow and mass transfer in fluids. This review focuses on lab-scale applications in weakly conducting aqueous liquids and summarizes work I was involved in over the past 20 years. Control can easily be achieved by applying a current and taking advantage of the Lorentz force. If magnetic ions or molecules are involved, also the Kelvin force can be utilized. The examples given range from flow control at hydrofoils in marine applications to electrochemical applications with gas evolution and of metal deposition.
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Mott, Sir Nevill. "Transport in liquid and amorphous metals; weak-scattering systems." In Conduction in Non-Crystalline Materials. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780198539797.003.0002.

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Abstract In metals, if the mean free path l is sufficiently large, eqn (1.4) can be used for the conductivity whether the metal is crystalline or not. In this chapter we consider the use of this equation for non-crystalline systems, particularly for liquid and amorphous metals. Probably the earliest paper dealing with electrons in a field that is not periodic is that of Nordheim (1931) on the resistivity of alloys.
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Shen, Zongwang, Guanghui Chen, and Jihai Duan. "Investigation of Heat Transfer Enhancement in CNT/Water Nanofluid Nuclear Boiling Using VOF-DPM Model in CFD Simulation." In Advances in Transdisciplinary Engineering. IOS Press, 2024. http://dx.doi.org/10.3233/atde240646.

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The study investigates the nuclear state boiling heat transfer characteristics of deionized water and CNT/water nanofluids using the VOF-DPM model in CFD. The VOF method is utilized to handle bubble behavior in the continuous phase, while the DPM model simulates the impact of suspended nanoparticles on heat transfer during phase change. Analysis of simulation results focuses on bubble behavior in nanofluid phase change heat transfer, flow field behavior near the heating surface caused by bubble growth and detachment, and a comparison with deionized water to understand the enhanced heat transfe
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Tonks, W. B., and H. J. Melosh. "The Physics Of Crystal Settling And Suspension In A Turbulent Magma Ocean." In Origin of the Earth. Oxford University PressNew York, NY, 1990. http://dx.doi.org/10.1093/oso/9780195066197.003.0010.

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Abstract It is widely assumed that a magma ocean on either the Earth or the Moon would necessarily differentiate by fractional crystallization. Geochemists and petrologists making this ption, however, have so Jar fulled to take into account the physics of crystal suspension in a planetary-scale convecting system. In the first part of this paper we show that convective velocities in a deep ultramafic magma ocean on either the Earth or the Moon are sufficiently rapid to suspend large crystals. 1bis demonstration involves aspects of convective theory and the mechanics of suspension that may be un
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Тези доповідей конференцій з теми "Weakly conducting liquid"

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Garbovskiy, Yuriy, and Anatoliy Glushchenko. "Electro-optics of liquid crystal cells utilizing weakly conducting polymers as electrodes and alignment layers." In Emerging Liquid Crystal Technologies XIV, edited by Liang-Chy Chien. SPIE, 2019. http://dx.doi.org/10.1117/12.2508784.

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Porneala, Cristian, and David A. Willis. "The Metal-Dielectric Transition in Short-Pulse Laser Ablation of Metals." In ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ht-fed2004-56645.

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Phase explosion is an explosive liquid-vapor phase change that occurs during short pulse laser ablation. Phase explosion results from homogenous vapor nucleation in a superheated liquid phase as the surface temperature approaches the thermodynamic critical temperature, Tc. For a metastable liquid, the upper limit of superheating is approximately 0.9Tc, above which the rate of homogeneous nucleation rises dramatically. Prior to reaching the superheat limit however, a “dielectric transition” is expected to occur at approximately 0.8Tc. The dielectric transition is the transition of an electrical
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Nazaripoor, Hadi, Charles R. Koch, and Subir Bhattacharjee. "Dynamics of Thin Liquid Bilayers Subjected to an External Electric Field." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37302.

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Анотація:
Spatiotemporal evolution of liquid-liquid interface leading to dewetting and pattern formation is investigated for thin liquid bilayeres subjected to the long range electrostatic force and the short range van der Waals forces. Based on the 2D weakly non-linear thin film equation three dimensional structure evolution is numerically simulated. A combined finite difference for the spatial dimensions and an adaptive time step ODE solver is used to solve the governing equation. For initially non-wetting surfaces, the stabilizing effects of viscosity and interfacial tension and the destabilizing eff
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Sekhar, G. N., and A. S. Chethan. "Heat Transfer in a Stretching Sheet Problem in Electrically Conducting Newtonian Liquids With Temperature-Dependent Viscosity." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-40400.

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Анотація:
The classical Crane problem of the stretching sheet is extended to include temperature sensitivity of weakly electrically conducting Newtonian liquids. The thermo-rheological equation of state subscribed to in the problem involves an inverse relationship between dynamic viscosity and temperature. The problem is solved using the shooting technique with assistance from a series solution procedure. The Classical explicit Runge-Kutta fourth order method is used to solve the initial value problem by the shooting technique. The results show that the effect of variable viscosity is to hasten the boun
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Kawahara, Junya, Tetsuya Kanagawa, Takeru Yano, Kazumichi Kobayashi, Masao Watanabe, and Shigeo Fujikawa. "Ultrasound Beam Radiated From Circular Piston in Bubbly Liquids: Nonlinear Analysis for Envelope of Short Waves With Diffraction Effect." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-33019.

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A weakly diffracted ultrasound beam radiated from a circular piston placed in a bubbly liquid is formulated in terms of a wave equation based on scaling relations of physical parameters [1]: typical propagation speed, period, wavelength, and diameter of beam. We derive a nonlinear evolution equation for the modulation of quasi-monochromatic waves for the case of a short wavelength with a moderately high frequency from a set of basic equations for bubbly flows: conservation equations of mass and momentum for gas and liquid in a two-fluid model, Keller’s equation for bubble wall motion, state eq
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Jia, Yan, Lixiu Chen, Liming Wang, and Jinggang Zhao. "Liquid crystal infrared light modulators." In OSA Annual Meeting. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.fv6.

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Анотація:
Liquid crystals have attractive properties since they exhibit a large birefringence change at low applied voltages and a good optical transparency in the IR. A parallel alignment LC cell compared with twisted or perpendicular alignment in the IR is employed for three reasons: the dark state is insensitive to wavelength; highly stable LC mixtures can be formulated with large positive εo large Δn and low viscosity; and a relatively thinner LC layer that does not seriously weaken the modulation efficiency is usable. The cell made with a pair of BaF AR-coated windows (coating In1O1 infrared conduc
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Bau, Haim H., Jianzhong Zhu, Shizhi Qian, and Yu Xiang. "A Magneto-Hydrodynamic Micro Fluidic Network." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33559.

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The magneto hydrodynamic fluidic network’s basic building blocks are conduits equipped with two electrodes positioned on opposing walls. The entire device is either subjected to an external uniform magnetic field or fabricated within a magnetic material. When a prescribed potential difference is applied across each electrode pair, it induces current in the liquid (assumed to be a weakly conductive). The current interacts with the magnetic field to produce a Lorentz force that is perpendicular to both the directions of the current and the magnetic field. Analogously with electric circuits, by j
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Aggarwal, S. K., and S. Chitre. "On the Structure of Turbulent Combusting Unconfined Sprays." In ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/91-gt-111.

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Анотація:
Computations are reported on the detailed structures of unconfined turbulent combusting sprays. Favre-averaged gas-phase equations are used and a k-ε-g turbulence closure model is utilized. Using a conserved scalar approach and assuming the form of probability density function to be a clipped Gaussian, the thermodynamic scalar variables are calculated from a partial equilibrium model. The major features of the liquid-phase model are that a stochastic random-walk approach is used to represent the effect of gas-phase turbulence on droplet trajectory and vaporization, the variable-property effect
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Liao, Meng-Ran, Chun-Hui Dai, Can Ma, Yong Liu, Zheng-Xing Zhao, and Zhou-Yang Liu. "Numerical Study on the Two-Phase Flow for a Gas/Liquid Metal Magnetohydrodynamic Generator." In 2018 26th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icone26-82231.

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Анотація:
The gas/liquid metal magnetohydrodynamic generator (G/LM-MHD) with the mixture of gas and liquid metal as working fluids shows a promising future due to recent development of liquid metal cooled nuclear reactors. Previous efforts on the G/LM-MHD energy conversion systems have predicted a higher efficiency than traditional thermodynamics cycle. However, most of the earlier studies focus on the conception designs, feasibility analysis and preliminary experiments, while less attention paid on some specific problems such as the bubble phenomenon in the two-phase flow. Therefore, this paper deals w
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Farag, Ashraf, Terry Ng, Dan Olson, and Jeffrey Hammersley. "Effect of Different Geometric Parameters on the Flow Characteristics in a Symmetric Bifurcation Model." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0049.

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Abstract Steady divergent flow (inspiratory directed) is measured using Laser Doppler Velocimetry in large scale models carefully mimicing the morphometry of small human airways. We Evaluated the anatomical features which induced vorticity in the flow from a vorticity free entrance, under conditions of convective similitude (simultaneous Reynolds And Dean’s Numbers). Five symmetrical bifurcation models with different bifurcation angles and curvature ratios are tested. A flow separation (carina) in each model is shaped to anatomical measures and the conformation of the transition between parent
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