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Relevant bibliographies by topics / Interface oscillations

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Journal articles

Academic literature on the topic 'Interface oscillations'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Interface oscillations"

1

Kozlov, Victor, Stanislav Subbotin, and Ivan Karpunin. "Supercritical Dynamics of an Oscillating Interface of Immiscible Liquids in Axisymmetric Hele-Shaw Cells." Fluids 8, no. 7 (2023): 204. http://dx.doi.org/10.3390/fluids8070204.

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The oscillation of the liquid interface in axisymmetric Hele-Shaw cells (conical and flat) is experimentally studied. The cuvettes, which are thin conical layers of constant thickness and flat radial Hele-Shaw cells, are filled with two immiscible liquids of similar densities and a large contrast in viscosity. The axis of symmetry of the cell is oriented vertically; the interface without oscillations is axially symmetric. An oscillating pressure drop is set at the cell boundaries, due to which the interface performs radial oscillations in the form of an oscillating “tongue” of a low-viscosity

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2

Liu, Cheng, Guowei Cai, Deyou Yang, Zhenglong Sun, and Mingna Zhang. "The Online Identification of Dominated Inter-area Oscillations Interface Based on the Incremental Energy Function in Power System." Open Electrical & Electronic Engineering Journal 10, no. 1 (2016): 88–100. http://dx.doi.org/10.2174/1874129001610010088.

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The online identification of power system dominated inter-area oscillations interface based on the incremental energy function method is proposed in this paper. The dominant inter-area oscillations interface can be obtained by calculating branch oscillation potential energy, which is tie-line concentrated by oscillations energy. To get the oscillation energy caused by the different mechanism (free oscillation and forced oscillation), different fault position, different oscillation source. Power system dominated inter-area oscillations interface can be effectively obtained by proposed method, a

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3

Kozlov, Viktor, and Olga Vlasova. "Oscillatory dynamics of immiscible liquids with high viscosity contrast in a rectangular Hele–Shaw channel." Physics of Fluids 34, no. 3 (2022): 032121. http://dx.doi.org/10.1063/5.0084363.

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The dynamics of the interface of liquids with a high viscosity contrast, performing harmonic oscillations with zero mean in a straight slot channel, is experimentally investigated. The boundary is located across the channel and oscillates along the channel with a harmonic change in the flow rate of the fluid pumped through the channel. Owing to the high contrast of viscosities, the motion of the more viscous liquid obeys Darcy's law, while the low-viscosity liquid performs “inviscid” oscillations. The oscillations of the interface occur in the form of an oscillating flat tongue of low-viscosit

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4

Jian, Liu, and Gyung-Min Choi. "Using Amorphous CoB Alloy as Transducer to Detect Acoustic Propagation and Heat Transport at Interface." Applied Sciences 11, no. 11 (2021): 5155. http://dx.doi.org/10.3390/app11115155.

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Acoustic oscillation provides useful information regarding the interfacial coupling between metal transducer layers and substrate materials. The interfacial coupling can be significantly reduced by a mechanically soft layer between the transducer and substrate. However, preserving a thin, soft layer at the interface during fabrication is often challenging. In this study, we demonstrate that an amorphous CoB alloy on top of a sapphire substrate can substantially amplify acoustic oscillations. By analyzing the attenuation of acoustic oscillations, we show that a thin, soft layer with a thickness

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5

Kovalchuk, Nina. "Spontaneous oscillations due to solutal Marangoni instability: air/water interface." Open Chemistry 10, no. 5 (2012): 1423–41. http://dx.doi.org/10.2478/s11532-012-0083-5.

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AbstractSystems far from equilibrium are able to self-organize and often demonstrate the formation of a large variety of dissipative structures. In systems with free liquid interfaces, self-organization is frequently associated with Marangoni instability. The development of solutal Marangoni instability can have specific features depending on the properties of adsorbed surfactant monolayer. Here we discuss a general approach to describe solutal Marangoni instability and review in details the recent experimental and theoretical results for a system where the specific properties of adsorbed laye

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6

Ganiev, R. F., D. A. Zhebynev, and A. M. Feldman. "EXCITATION OF NONLINEAR PRESSURE OSCILLATIONS IN LOW-PRESSURE FLUID FLOW USING A HIGH-PRESSURE HYDRODYNAMIC GENERATOR." Spravochnik. Inzhenernyi zhurnal, no. 280 (July 2020): 7–13. http://dx.doi.org/10.14489/hb.2020.07.pp.007-013.

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The results of the study of the excitation process of nonlinear oscillations of finite amplitude pressure in a low-pressure (treated) fluid flow using a hydrodynamic oscillator of flow type, the working fluid of which has no direct contact with the fluid of the treated flow, are presented. It is shown that the oscillations from the hydrodynamic generator can be transmitted to the fluid flow through the interface (matching device) in the form of a disk with a certain acoustic resistance. It was found that resonant oscillations can be disturbed in the low-pressure flow processing chamber. The co

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7

Ganiev, R. F., D. A. Zhebynev, and A. M. Feldman. "EXCITATION OF NONLINEAR PRESSURE OSCILLATIONS IN LOW-PRESSURE FLUID FLOW USING A HIGH-PRESSURE HYDRODYNAMIC GENERATOR." Spravochnik. Inzhenernyi zhurnal, no. 280 (July 2020): 7–13. http://dx.doi.org/10.14489/hb.2020.07.pp.007-013.

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The results of the study of the excitation process of nonlinear oscillations of finite amplitude pressure in a low-pressure (treated) fluid flow using a hydrodynamic oscillator of flow type, the working fluid of which has no direct contact with the fluid of the treated flow, are presented. It is shown that the oscillations from the hydrodynamic generator can be transmitted to the fluid flow through the interface (matching device) in the form of a disk with a certain acoustic resistance. It was found that resonant oscillations can be disturbed in the low-pressure flow processing chamber. The co

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8

Soler, Roberto. "Exploring the Ideal MHD Quasi-Modes of a Plasma Interface with a Thick Nonuniform Transition." Physics 4, no. 4 (2022): 1359–70. http://dx.doi.org/10.3390/physics4040087.

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Nonuniform plasma across an imposed magnetic field, such as those present in the solar atmosphere, can support collective Alfvénic oscillations with a characteristic damping time. The damped transverse oscillations of coronal loops are an example of this process. In ideal magnetohydrodynamics (MHD), these transient collective motions are associated with quasi-modes resonant in the Alfvén continuum. Quasi-modes live in a non-principal Riemann sheet of the dispersion relation, and so they are not true ideal MHD eigenmodes. The present study considers the illustrative case of incompressible surfa

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9

DELOURME, BERANGERE, HOUSSEM HADDAR, and PATRICK JOLY. "ON THE WELL-POSEDNESS, STABILITY AND ACCURACY OF AN ASYMPTOTIC MODEL FOR THIN PERIODIC INTERFACES IN ELECTROMAGNETIC SCATTERING PROBLEMS." Mathematical Models and Methods in Applied Sciences 23, no. 13 (2013): 2433–64. http://dx.doi.org/10.1142/s021820251350036x.

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We prove the well-posedness and stability properties of a parameter dependent problem that models the reflection and transmission of electromagnetic waves at a thin and rapidly oscillating interface. The latter is modeled using approximate interface conditions that can be derived using asymptotic expansion of the exact solution with respect to the small parameter (proportional to the periodicity length of oscillations and the width of the interface). The obtained uniform stability results are then used to prove the accuracy (with respect to the small parameter) of the proposed model.

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10

Adamatzky, Andrew, Claire Fullarton, Neil Phillips, Ben De Lacy Costello, and Thomas C. Draper. "Thermal switch of oscillation frequency in Belousov–Zhabotinsky liquid marbles." Royal Society Open Science 6, no. 4 (2019): 190078. http://dx.doi.org/10.1098/rsos.190078.

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External control of oscillation dynamics in the Belousov–Zhabotinsky (BZ) reaction is important for many applications including encoding computing schemes. When considering the BZ reaction, there are limited studies dealing with thermal cycling, particularly cooling, for external control. Recently, liquid marbles (LMs) have been demonstrated as a means of confining the BZ reaction in a system containing a solid–liquid interface. BZ LMs were prepared by rolling 50 μl droplets in polyethylene (PE) powder. Oscillations of electrical potential differences within the marble were recorded by inserti

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