Results 41 to 50 of about 2,562,489 (225)

Two-phonon scattering of magnetorotons in fractional quantum Hall liquids [PDF]

open access: yes, 2001
We study the phonon-assisted process of dissociation of a magnetoroton, in a fractional quantum Hall liquid, into an unbound pair of quasiparticles. Whilst the dissociation is forbidden to first order in the electron-phonon interaction, it can occur as a
A. Griffin   +16 more
core   +2 more sources

Influence of input data on the solution of the multiphase liquid flow model

open access: yesMathematical Modelling and Analysis, 2001
In the paper, a filtration model for immiscible ‐ compressible and incompressible ‐ two‐phase liquids is considered. The 1D case of the model is analyzed in detail and it is shown that approximation of the Buckley‐Leverett function by a step‐wise linear ...
A. Buikis, S. Solovyov
doaj   +1 more source

Modelling Fluid Damping of Non-Conventional Vibration Modes in MEMS Resonators

open access: yesProceedings, 2018
Resonant micro- and nanoelectromechanical systems (MEMS/NEMS) are typically subject to interaction with a liquid or gaseous environment. Recently, it has been demonstrated that non-conventional eigenmodes exhibit remarkably high quality factors (Q ...
Daniel Platz   +2 more
doaj   +1 more source

A case study for heat and mass transfer of viscous fluid flow in double layer due to ciliated channel

open access: yesCase Studies in Thermal Engineering, 2023
The present study is a measurement of the thermal and mass transfer of a two-layered flow of viscous fluid induced by cilia motion under the effect of buoyancy forces through a channel.
Nahid Fatima   +5 more
doaj   +1 more source

Magnetoelasticity theory of incompressible quantum Hall liquids [PDF]

open access: yes, 2005
A simple and physically transparent magnetoelasticity theory is proposed to describe linear dynamics of incompressible fractional quantum Hall states.
I. Tokatly
semanticscholar   +1 more source

Navier-Stokes Solutions for Accelerating Pipe Flow—A Review of Analytical Models

open access: yesEnergies, 2023
This paper reviews analytical solutions for the accelerated flow of an incompressible Newtonian fluid in a pipeline. This problem can be solved in one of two ways according to the (1) imposed pressure gradient or (2) flow rate.
Kamil Urbanowicz   +4 more
doaj   +1 more source

On the Breakdown of Solutions to the Incompressible Euler Equations with Free Surface Boundary [PDF]

open access: yesSIAM Journal on Mathematical Analysis, 2018
We prove a continuation critereon for incompressible liquids with free surface boundary. We combine the energy estimates of Christodoulou and Lindblad with an analog of the estimate due to Beale, Kato, and Majda for the gradient of the velocity in terms ...
D. Ginsberg
semanticscholar   +1 more source

On plates sealing an incompressible liquid [PDF]

open access: yesInternational Journal of Mechanical Sciences, 1966
Abstract After a brief description of the circumstances which led to the investigation of the title problem and discussion of some related previous investigations, exact solutions are derived for a circular plate which seals an incompressible liquid, is clamped along the boundary and is subjected at an arbitrary point to a lateral concentrated force
openaire   +1 more source

Hydrodynamics of Collapsing Glass Tubes and Measuring of Glass Viscosities: Analytic Results beyond Asymptotic Approaches for Rapidly Varying Viscosities

open access: yesFluids, 2021
We present novel analytic solutions of the axial-symmetric boundary value problem of the Stokes equation for incompressible liquids with rapidly varying viscosity, which cover the hydrodynamics of collapsing glass tubes with moving torch.
Thomas Klupsch
doaj   +1 more source

A Priori Estimates for the Compressible Euler Equations for a Liquid with Free Surface Boundary and the Incompressible Limit [PDF]

open access: yes, 2016
In this paper, we prove a new type of energy estimate for the compressible Euler equations with free boundary, with a boundary part and an interior part.
Hans Lindblad, Chenyun Luo
semanticscholar   +1 more source

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