The fluid instability model (Wohletz, 1983)
Fluid-Structure Instability in an Internal Flow Energy Harvester
... the model allows for anisentropic type phenomena at its inlet and outlet boundary ...quasi-1D model, we propose a simplified geometry shown in figure ...the model geometry, consisting of a diffuser ...
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Instability of inclined fluid-film flow with substrate filtration
... one-dimensional model for liquid film on a slippery inclined ...of instability, and under supercritical conditions it contributes to the increase in the amplitude of ...the instability in ...
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Nonlinear Instability of Coupled CNTs Conveying Viscous Fluid
... analytical model for predicting inner and outer layers effects on the free vibration of fluid- conveying nanotubes based on the non-local elasticity ...
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FLUID INDUCED INSTABILITY OF ROTOR SYSTEMS WITH JOURNAL BEARINGS
... mathematical model of a rotor system and to analyze the rotor vibration using a procedure based on the Nyquist stability ...called fluid induced vibration, occurs when the rotor rotation speed crosses a ...
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Soret Dufour Driven Thermosolutal Instability of Darcy-maxwell Fluid
... Darcy-Maxwell model to investigate the instability of a double diffusive ...Darcy-Maxwell fluid [33] confined between two parallel plates in the presence of Soret and Dufour effects, when both ...
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Ocean jet instability: a model comparison
... incompressible fluid. An appropriate model for their study is the ”shallow-water” (SW) ...jet instability has been studied mostly with a ”quasi-geostrophic” (QG) equations (Flierl et ...jet ...
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Fragmentation instability of a liquid drop falling inside a heavier miscible fluid
... ∆ρ → 0 the logarithmic divergence does not take into account the dissipation due to the increasing radius of the vortex ring. To include such an effect a more refined model should be developed in order to describe ...
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Mathematical Model for the Electrokinetic Instability of Electrolyte Flow
... one-dimensional model of the dilute aqueous solution of KCl in the electric ...Our model is based on a set of Nernst-Planck-Poisson equations and includes the incompressible fluid velocity as a ...
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Fluid-dynamical model for antisurfactants
... linear instability naturally raises the question of the state towards which the perturbed system ...this instability is essentially driven by per- turbations to the concentration fields, we may speculate ...
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Mutual-friction induced instability of normal-fluid vortex tubes in superfluid helium-4
... that interactions between one normal-fluid and many superfluid vortex rings generate a ten- dency towards energy-level matching in the wavenumber intervals of the velocity spectra which correspond to the ...
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Effect of Thermal Non-Equilibrium on Convective Instability in a Ferromagnetic Fluid-Saturated Porous Medium
... ferromagnetic fluid-saturated horizontal porous layer in the presence of a uniform vertical magnetic field is ...two-field model is used for temperature representing the solid and fluid phases ...the ...
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Capillary Instability of a Streaming Fluid Core Liquid Jet Under Their Self Gravitating Forces
... gravitational instability in particular for large values of x. The model of the fluid-core liquid cylinder is infinity unstable for all W ∗ values as N = 0 ...the model is streaming or ...the ...
Influence of the Mass ratio on the fluid-elastic instability of a flexible cylinder in a bundle of rigid tubes
... The paradoxical behavior of the step response of the coupling filter proposed by Granger and Paidoussis (1996) seems relevant and would deserve a thorough study. The asymptotic case of an undamped structure is a ...
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Baseline Computational Fluid Dynamics Methodology for Longitudinal-Mode Liquid-Propellant Rocket Combustion Instability
... Although the current development has been confned to an over-smplfed lnear combuston response model, more comprehensve physcal submodelng can be readly mplemented as desred by the analyst. In fact, t ...
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The fluid structure interaction eect on the vibration and instability of a conveyed double-walled boron nitride nanotube
... creates a decrease in frequency amplitude, where it decreases along the DWBNNT. In order to show the eect of nonlinear terms on the results, the nonlinear frequency ratio versus the frequency amplitude of DWBNNT is ...
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Instability and wave growth within some oscillatory fluid flows
... Next the values of ao = 6q are lowered in order to observe the effect that the ratio ^ has on the system. By lowering ao to 0.1, we obtain the results shown in figures (7.5) and (7.6). Here the value of ft is still taken ...
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The Large Scale Instability in Rotating Fluid with Small Scale Force
... This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/ Abstract In this paper, we find a new large scale instability in rotating ...
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An introduction to the Diamond-Dybvig model (1983)
... Note that the deposit contract in the Diamond-Dybvig model provides insurance against the risks of being an early, rather than a late withdrawer (Goodhart 1988, p. The bank can provide a[r] ...
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Fluid-Elastic Instability of Tube Bundles in Two-Phase Cross-Flow
... ABSTRACT Fluid-elastic instability characteristics in air-water two-phase cross-flow have been experimentally investigated using three different arrays of straight tube ...of fluid-elastic ...
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Effect of radiation absorption on the onset of instability of a rotating fluid in a porous medium
... the instability of rotating ...the instability of a fluid layer heated from ...of fluid, and his results have become the standards for ...
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