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Showing 1 to 10 of 10 for “"Taylor-Couette flow"”.
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Helical magnetorotational instability in MHD Taylor-Couette flow
… 1959, in a very different context. Theoretical flow of a conducting liquid confined between differentially rotating cylinders in the presence of an external magnetic field was analyzed. The central conclusion is that the additional magnetic field parallel to the axis of rotation can destabilize …
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Apparatus for spherical Taylor-Couette flow with induced thermal convection
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms
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Instability and mixing in a turbulent stratified Taylor-Couette Flow
… mechanisms in a stably stratified turbulent Taylor-Couette flow, which is the flow in the annular region of two co-axial cylinders, both capable of rotating at different speeds independently, in the presence of vertical stable stratification. Oglethorpe (2014) found that, for an initially …
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UV Disinfection between Concentric Cylinders
… When the two concentric cylinders are fixed, the flow pattern in the gap can be laminar Poiseuille flow or turbulent flow depending on flow rates. If the inner cylinder is rotating, and the rotating speed of the inner cylinder exceeds a certain value, the flow pattern can be either laminar or …
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CFD Study of Taylor-Like Vortices in Swirling Flows
<p>Swirling flows are complex fluid motions that appear in various natural phenomena and man-made devices. Numerous engineering applications such as turbomachinery, jet engine combustion chambers, mixing tanks and industrial burners involve swirling flows. This wide range of applications is due to …
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The Diffuse Bounce Back Lattice Boltzmann Method and its Applications on the Study of Fluid-Particle Interactions
… has been preferred for simulating particulate flows due to its advantages of easy implementation, micro- and mesoscopic physical insights and parallel algorithm. Both sharp and diffuse boundary treatments are studied to recover curved and moving boundaries on structured orthogonal grids for the …
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Multi-scale Coherent Structure Extraction and Visualization for Flow Analysis
… structures are important features in fluid flows. A better understanding of the physics of coherent structures will help explain a diverse range of physical phenomena and help improve our capability of modeling complex turbulence flows, such as those often seen in combustion, chemical …
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Dynamic wetting of soft materials and applications of dynamic tensiometry
… surface to reduce skin friction in turbulent Taylor-Couette flow is investigated. A reduction in the wall shear stress measured at the rotating inner cylinder is demonstrated by depositing sprayable superhydrophobic microstructures on the inner rotor surface. The magnitude of skin friction …
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Geometry mediated drag reduction using riblets and wrinkled surface textures
… of drag reduction are viscous retardation of the flow in the grooves (both laminar and turbulent) and the displacement of vortical structures away from the wall in turbulent flows. Due to their effectiveness in altering the boundary layer structure and reducing the viscous drag force, use of …
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Experimental setups for studying homogeneous-isotropic and rotating turbulence in clay suspensions: Preliminary results
… fluid. The first approach involving flow actuators placed symmetrically around an enclosed volume has been used by past studies for creating small regions of HIT in gaseous media. We show using planar particle image velocimetry that our HIT setup is capable of producing low Taylor …