critical Reynolds number
Numerical Analysis of Critical Reynolds Number of Wavy Taylor Vortex Flow with Changing Aspect Ratio
... The critical Reynolds number when the flow state transits from the Taylor vortex flow to wavy Taylor vortex flow has been found by a visualization expe- riment of the flow when the aspect ratio is ...
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Numerical simulation of high sub critical reynolds number flow past a circular cylinder
... The schematic diagram of the flow past a circular cylinder is shown in Fig.1. Boundary conditions are specified on its respective edges. Uniform velocity boundary condition is assumed at the upstream boundary, the ...
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Adaptivity and a posteriori error control for bifurcation problems III: incompressible fluid flow in open systems with O(2) symmetry
... the critical Reynolds number at which a steady pitchfork bifurcation occurs when the underlying physical system possesses rotational and reflectional or O (2) ...
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Numerical Study of Two Dimensional Laminar Jet Flow Past a Sudden Expansion
... certain Reynolds Number for a fixed aspect ratio ...The Reynolds number at which the above phenomenon occurs is called Critical Reynolds Number (Re cr ...
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Three dimensional instability in flow over a backward facing step
... of critical Reynolds number, there is the character of the secondary flow following the ...for Reynolds numbers up to ...the Reynolds number is further increased, though none of ...
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Aerodynamics of bridge-stay cables in the context of rigid circular cylinder in smooth flow
... Spatial flow structure around a smooth circular cylinder in the critical Reynolds number regime under cross-flow condition. Wind and Structures, an Int[r] ...
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Multimoment Hydrodynamics in Problem on Flow around a Sphere: Entropy Interpretation of the Appearance and Development of Instability
... The multimoment hydrodynamics confirms the ideas of experiment on unstable nature of the phenomenon of vortex shedding. The crossing of the first critical Reynolds number value Re * 0 is accompanied ...
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Stability and nonlinear regimes of flow over a saturated porous medium
... of critical Reynolds number and wave num- ber of the most dangerous perturbations on the ratio of porous layer thickness to the total thickness have been ...different Reynolds and Darcy ...
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hp Adaptive discontinuous Galerkin methods for bifurcation phenomena in open flows
... the critical Reynolds number Re c at which a (steady) bifurcation point first occurs, ...the critical value Re c ; we point out that Hopf bifurcations may also be treated within a similar ...
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Numerical Investigation Of Water Flows Inside A Microchannel
... transition Reynolds number in rectangular microchannel. The Reynolds number in between 60 – 3450 in a high aspect ratio channel, a hydraulic diameter range of 252 to 973 with depth ranging ...
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Boundary layer flow on a long thin cylinder
... for Reynolds numbers less than a critical value of 1060 the flow is unconditionally ...lower critical Reynolds number. Further, for Reynolds numbers above the critical ...
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Finite Element Simulation of Newtonian and Non-Newtonian Fluid through the Parallel Plates Affixed with Single Screen
... the Reynolds number varying from 1000 to 10, ...the Reynolds number and at the same time as for the shear thickening fluid with the accretive Reynolds, the increments will consolidate ...
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Computational modelling of vortex shedding flows
... Nomenclature Rem Reynolds number for oscillatory flows, Um D / 11 3D Re~, Re c Critical Reynolds numbers for the onset of vortex shedding and threedimensionality Retc Critical Reynolds n[r] ...
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Investigation On The Aerodynamics Of Symmetrical Aerofoil At Low Reynolds Number
... Aerofoil NACA 0014 has been tested under the influence of attack angle and Reynolds number. It has been concluded that the lift and drag coefficient both are increased with increase of Reynolds ...
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Simulation of vortex induced vibration of a bluff body structure
... large Reynolds number (Re) exceeds a critical value, somehow the cylinder might experience excitations or vibrations, as the unsteady flow around the cylinder separates from a wider section of the ...
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High Reynolds number flow over cylinders: A Review
... strouhal number by these models compared well with the experimental results for stationary ...Mach number is ...strauhal number increases with increasing spin ...
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Effect of Reynolds Number on Aerodynamic Characteristics of an Airfoil with Flap
... of Reynolds number effects on lift distribution on ...in Reynolds number improve the lift and drag characterstics in ...of Reynolds number on pressure distribution on airfoil, ...
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Flow characteristics over NACA4412 airfoil at low Reynolds number
... $EVWUDFW In this study, the flow phenomena over NACA4412 were experimentally observed at various angle of attack and Reynolds number of 25000, 50000 and 75000, respectively. NACA4412 airfoil was ...
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Aspects of magnetohydrodynamic duct flow at high magnetic Reynolds number
... The apparatus was assembled with one wheel rotating so that its rim passed through the centre of the magnet gap. Brush gear was installed between the poles of the magnet bo that brushes rubbed against the inner and outer ...
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Reynolds number effects on particle agglomeration in turbulent channel flow
... the number of particles close to the ...increasing Reynolds number accelerates the particles at a faster rate in all directions (including towards the ...
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