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On the Stability of Shear Flows in Bounded Channels, I: Monotonic Shear Flows
Vietnam Journal of Mathematics, 2023zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ionescu, Alexandru D., Jia, Hao
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On the Shear Number Effect in Stratified Shear Flow
Theoretical and Computational Fluid Dynamics, 1999The authors investigate the influence of the shear number on turbulence evolution in a stably stratified fluid. The shear number \(SK/\varepsilon\) is the ratio of a turbulence time scale \(K/\varepsilon\) to the shear time scale \(1/S\). Two series of direct numerical simulations are performed to study the role of this parameter: a moderate Reynolds ...
Jacobitz, Frank G., Sarkar, Sutanu
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Tracer diffusion in shear flow
Physical Review A, 1991The Boltzmann-Lorentz equation for Maxwell molecules is used to study tracer diffusion in uniform shear flow. It is shown that some values of the mass ratio may prevent the establishment of a hydrodynamic regime. In the region where a hydrodynamic solution exists, a diffusion tensor has been derived by considering terms up to first order in the tracer ...
, Garzó, , López de Haro M
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Studies in Applied Mathematics, 1983
The characteristic feature of the wide variety of hydraulic shear flows analyzed in this study is that they all contain a critical level where some of the fluid is turned relative to the ambient flow. One example is the flow produced in a thin layer of fluid, contained between lateral boundaries, during the passage of a long eddy. The boundaries of the
Varley, E., Blythe, P. A.
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The characteristic feature of the wide variety of hydraulic shear flows analyzed in this study is that they all contain a critical level where some of the fluid is turned relative to the ambient flow. One example is the flow produced in a thin layer of fluid, contained between lateral boundaries, during the passage of a long eddy. The boundaries of the
Varley, E., Blythe, P. A.
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Shear Flows and Turbulence in Nature
Computing in Science & Engineering, 2007Shear flows and turbulence have a major impact on the transport of quantities, from heat to material to pollutants. This article explores transport and its sensitivity to novel interactions between shear flow and turbulence.
David E. Newman +2 more
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Shear instabilities in granular flows
Nature, 2002Unstable waves have been long studied in fluid shear layers. These waves affect transport in the atmosphere and oceans, in addition to slipstream stability behind ships, aeroplanes and heat-transfer devices. Corresponding instabilities in granular flows have not been previously documented, despite the importance of these flows in geophysical and ...
David J, Goldfarb +2 more
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Stratified shear flows in a model of turbulence-shear flow interaction
Physics of Plasmas, 2002In magnetically confined plasmas there is evidence of localized regions of improved confinement. These regions are usually associated with shear flows with radial structure, and an important problem is to understand how such flows emerge. To address this problem a reaction–diffusion type model of turbulence-shear flow interaction that incorporates the ...
D. del-Castillo-Negrete, B. A. Carreras
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The Shearing Flows of the BKZ Fluid
Transactions of the Society of Rheology, 1974Available experimental data of shearing flows are used to test the BKZ fluid model. The strain-energy function is assumed in the form of U=M(s)g(I1, I2), where M(s) is obtained from the small-amplitude oscillatory shearing data. The function F=2(∂g/∂I1)+2(∂g/∂I2) is then calculated from simple shearing data (either shear stress or first normal stress ...
Yen, Hsiaw-Chin, McIntire, Larry V.
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Shear Flow of a Granular Material
Journal of Statistical Physics, 2001zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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