[PDF] Top 20 Trapped vortices in rotating flow

... Trapped vortices in rotating flow 213 The initial distribution of potential vorticity is non-zero only on that k i t e area where the local depth differs from the basic depth H,.. [r] ... See full document

... the vortices and the law for their aspect ...long-lived vortices must necessary be either weakly stratified anticyclones or superstratified cyclones (which is less likely to ...Jovian vortices and ... See full document

... the flow, leading to a balance in the momentum equation between magnetic, buoyancy (Archimedean) and Coriolis forces (so-called MAC ...on rotating turbulent convection, we propose an alternative view for ... See full document

... One of the most prominent dynamical features of turbulent, rapidly-rotating convection is the formation of large-scale coherent structures, driven by Reynolds stresses resulting from the small-scale convective ... See full document

... the vortices is sufficient to classify this interaction as partial- ...initial vortices merge into a “dumbbell” shaped config- uration with an effective aspect-ratio of ...scale vortices with a ... See full document

... The flow in the (θ, z) plane is shown in Figure ...the flow is not symmetric in the axial direction even though the geometrical configuration is ...main vortices emerge in the radial ...three ... See full document

... A three-component DANTEC laser Doppler anemometer with a 5 W Ar-ion laser generator is used in the study. The system is operated in an off-axis backscatter mode. Details of the system can be found in Zhang and Collins. ... See full document

... One of the questions that arise from this simulation is the influence of the periodic boundary conditions in the longitudinal direction. In this case the large scale perturbation is forced to return to the initial ... See full document

... trailing vortices consisting of an array of counter-rotating structures in a doubly periodic domain, infinite in the vertical direc- ...base flow is a weak solution of the three component steady ... See full document

... no vortices are shed from the trailing edge, as can be educed from Figure ...counter rotating vortex is formed at the trailing edge, see Figure ...separated flow condition (Figure ...with ... See full document

... The velocity field of the boundary layer flow on the disk is measured with a single hot-wire anemometer at a fixed angular position by using a timing-mark laser sensor. The hot-wire is positioned parallel to the ... See full document

... ellipsoidal vortices has been studied for some special background flows, ...strain flow (Meacham et al. 1994) and a pure shear flow for which the strain rate equals the background rotation (Hashimoto ... See full document

... 3D flow on timescales longer than the rotation ...coherent vortices in a 3D system subject to rotation have been observed in experiments on grid-generated turbulence ...large-scale vortices (LSV) has ... See full document

... scale vortices in a strati- fied rotating flow with a constant temperature gradient under the action of a small scale external force which does not have any particular properties (especially it is ... See full document

... of trapped vortices would be either to increase the base pressure, reduce the front stagnation pressure, or ...the flow on the roof is to employ vortex generators (VGs) to keep the boundary layer ... See full document

... wings. Flow visualization studies on a corrugated airfoil confirm that the trapped vortices lead to a modification of the effective wing shape and an increase in ...a trapped vortex. ... See full document

... steady flow of a spherical vortex in an ideal fluid (Hill ...spherical vortices identified by Moffatt (1969) that may be matched onto an oncoming irrotational ...spherical vortices may be matched ... See full document

... the flow in terms of a small number of interfaces, while determining the contours of the vortex structures within the framework of spatially one-dimensional integro-differential nonlinear ... See full document

... counter rotating streamwise vortices generating a focused upwash motion at the symmetry ...instantaneous flow organization a flow instability of Kelvin-Helmholtz (K-H) type is observed in the ... See full document

... circulatory flow motion of vortical flow structure close to free-stream region for h/D = ...the flow separation from the upper and lower shear layers for h/D = ...free-stream flow condition ... See full document