[PDF] Top 20 Strong interaction between two co rotating vortices in rotating and stratified flows

... small vortices at the end of the evolution to classify this as ...both vortices maintain a steady ...next two time units grows to 115% of its original ...the two main vortices now being ... See full document

... asymmetry between large-scale cyclonic and anticyclonic circulation arises therefore through the formation of thermal plumes, which builds up a population of strong narrow cyclonic vortices, and the ... See full document

... angle between the major axis of the ellipse and the strain axis at infinity is larger than π /4 (figure 2c), and two-dimensional if it is smaller than π /4 (figure ...the co-rotating sense with ... See full document

... of flows and in various ...meet vortices which can be of very different ...by two main counter-rotating ...generated vortices will be all more intense as this lift will be ... See full document

... turbulent flows contain an abundance of vortices, continually being generated, merging, breaking up, in a mˆel´ee of complicated ...these flows has meant that much of our understanding relies on ... See full document

... three-dimensional rotating stratified flows under the Boussinesq ...and two Poisson equations for the other two ...of vortices and radiating inertia–gravity ... See full document

... sition between these two types of dynamo reported by Tilgner (2012), which is in agreement with the other studies, both Boussinesq and ...of flows at large scales, for which Rm is sufficiently large ... See full document

... continuously stratified flows, contrary to the generalized geostrophic model, derived from the shallow-water equations (layerwise primitive ...these vortices, Ro is not very small but often remains ... See full document

... convective flows in a turbulent rotating system are three-dimensional (3D), but strongly anisotropic owing to the rapid ...from two-dimensional (2D) turbulence might thus be helpful in explaining or ... See full document

... or strong interaction distance between two equal-potential-vorticity quasi-geostrophic ...The interaction between the two vortices depends on five parameters: their ... See full document

... are two main ingre- dients of protoplanetary ...in rotating flows, and numerical scenarios that also take into account the stratification of the disk ... See full document

... The aim of the present study is to characterise the wake of a sliding air bubble in quiescent water. PIV is used in order to obtain the spatial and temporal evolution of the flow field behind a sliding bubble. PIV allows ... See full document

... The instability of these flows, their interaction with topography and the effects of tides leads one to wonder at the feasibility of modeling them in the laboratory. However much of the dynamics at the sill ... See full document

... of rotating stratified turbulence, we decompose the flow at any time into a balanced component entirely due to PV and a residual imbalanced component, which we attribute to ...in two ways, using ... See full document

... flow between two concentric rotating cylinders is considered in order to investigate non-equilibrium effects associated with the Knudsen layers over curved ... See full document

... teraction between the rotating casing and the stationary pick-up tube, namely the discharge tube [2], the reduc- tion of the friction loss in the pick-up tube channel [3], the modifications of the pick-up ... See full document

... a rotating disk in a cylin- drical ...clearance between the disk tip and the side wall of the casing as well as in the axial clearance between the disk surfaces and the stationary circular end walls ... See full document

... Computational simulation of such complicated flows becomes increasingly important in attempts to minimize costly wind tunnel experiments. Historically, rotorcraft simulations employed rotor disk models that were ... See full document

... comparable to each other and to the gap width and hence boundary conditions appear to modify the growth rate. By contrast, in the case of large Prandtl numbers, axial lengthscale of the mode is much smaller than the ... See full document

... rafting or slipstreaming is a technique where two vehicles or objects align in a close group reducing the overall effect of drag due to exploiting the lead object's slipstream. Especially when high speeds are ... See full document