vortex/free-surface interaction
Free surface interaction of a ‘T foil’ hydrofoil
... the free surface, due to a phenomena known as ‘tip ventilation’ (Figure ...the free surface and hydrofoil through the core of the hydrofoil trailing tip vortex - are largely anecdotal – ...
222
NAME 1991 End of Fiscal Year Report
... Significant Results in the Past Year: The interaction of a vortex ring with a contaminated free surface was investigated to determine the effect of surface contamination on the dynamics [r] ...
34
Passive control of flow structure interaction between a sphere and free-surface
... general, vortex formation lengths for the sphere with the vent are shorter than the smooth sphere ...the free surface due to the present of the sphere continue until the ...the free ...
16
Interaction vortex - boundary layer : numerical study of wall mechanisms
... the vortex. When the vortex is introduced in the domain, the boundary layer generates an appropriate amount of positive ...main vortex and induces its rebound (section ...
10
An improved tip vortex cavitation model for propeller-rudder interaction
... tip vortex cavitation in uniform flow conditions with an isolated propeller in detail and provides experimental ...tip vortex cavitation, particularly to trace its extension up to the rudder in the ...
6
Density distributions and depth in flocks
... tunable bounding function to distribute a metric-free motional bias across the swarm. This model was fitted to empirical data of Starling murmurations using stochastic optimisation to determine a suitable form of ...
10
Vortex interaction with a rough wall formed by a hexagonal lattice of posts
... primary vortex core remains approximately at r/D in the range ...rough surface forces the early formation of regular disturbance on the primary ring at ...plane surface the flow expands in radial ...
14
Hydrodynamic pumping by serial gill arrays in the mayfly nymph Centroptilum triangulifer
... a vortex ring corresponding to the retraction phase has just formed on gill ...a vortex ring with opposite sign is already well formed as a ...the surface of the gill because of the inflow from the ...
13
An engineering method for modeling the interaction of circular bodies and very low aspect ratio cruciform wings at supersonic speeds
... edge vortex of slender wings, method which have already been mentioned in section on ...concentrated vortex models and discretised vortex ...edge vortex model for modelling wing-body-tail ...
320
Affecting Wingtip Vortex Using Wing Surface Contours
... of surface contours on the parasite and induced drag of the ...upper surface of the mid-contour ...wingtip vortex with the surface ...wingtip vortex properties indicates that the ...
18
Self consistent field theory for the interactions between keratin intermediate filaments
... discussed interaction potential profiles for IF surfaces with attached tails at various surface charge densities, ionic strengths, and for the solution of free amino acids representing ...
17
Energization of Boundary Layer Over Wing Surface By Vortex Generators
... A vortex generator is an aerodynamic device, consisting of a small vane usually attached to a lifting surface or a rotor blade of a wind ...the vortex generator causes the air to swirl creating a ...
7
On vortex/wave interactions. Part 2. Originating from axisymmetric flow with swirl
... is + + a,). The mean terms in (4.11) agree with the mean balance obtained in 2.1. The subsequent balances again show the influences of non-parallel, mean, rotation and swirl forces entering, with the main wave in the ...
18
Effect of Wing Sweep Angle on the Vortex Interaction of a Tail-Wing Configuration
... An example of using Experimental data to validate +8$4& "" - ::;$< - timated using a prediction code for a free stream Mach number of 1.7 and for a range of angle of attack from -2 to +18 deg. ...
11
REVIEW OF FLUID-STRUCTURE INTERACTION MODEL IN A NUMERICAL WAVE TANK WITH OFFSHORE STRUCTURES NEAR THE FREE SURFACE
... wave-current interaction based on Navier-Stokes equations has been studied by various researchers [2, 3, 4, 5, 6, 7, and ...current interaction have not been much studied due to limitations of cost, space ...
13
Research Concerning the Interaction between the Ground and the Turbulent Aircraft Wake Vortex
... The vortex mechanisms intervene in a great number of flows and in various ...wake vortex results in a rolling up of the flow starting from the ends of the wings ...wake vortex can be described by two ...
5
Numerical modeling of tornado-like vortex and its interaction with bluff- bodies
... tornado-like vortex, it has been observed that compared to synoptic wind, tornadic flows are the least ...with surface roughness into ...tornado-like vortex structure interaction is limited to ...
140
Permanent wave structures on an open two layer fluid
... shown that the nonlinear interaction is resonant when the group velocity of the fast free surface wave mode equals the phase velocity of the slow interface wave mode,.. This property lea[r] ...
31
Sound generation by the interaction of a vortex ring with a rigid sphere
... The far-field sound emission is estimated using the procedure of Ting & Miksis [11], which is based on matching the far-field acoustic potential to the potential induced by the slender filament and by its “image”. ...
9
The initial development of a jet caused by fluid, body and free surface interaction Part 5 Parasitic capillary waves on an initially horizontal surface
... horizontal surface, and bounded to the left by a rigid, flat plate inclined to the horizontal at an angle α > π/ ...horizontal free surface extends to infinity away from the inclined ...horizontal ...
23