Vortex flow
The Interaction Vortex Flow Around Two Bluff Cylinders
... interaction vortex flow features around a pair of parallel arranged bluff cylinders were observed by visualizing water flow experiment at the range of the gap ratio ...of vortex shedding when ...
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Vortex flow generator utilizing synthetic jets by diaphragm vibration
... a vortex flow of high velocity is generated inside a ...a flow circulates with increasing velocity after each actuating circle to form a vortex in a cavity named as the vortex ...air ...
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Coherent structures in the breakdown bubble of a vortex flow
... Grabowski vortex profile at Reynolds numbers Re ≤ 500 have been extensively studied through stability analysis in the ...Grabowski vortex flow at Re ≤ 1000 are carried out to compare against previous ...
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Transition from Ekman flow to Taylor vortex flow in superfluid helium
... The most generally accepted equations for modelling the macroscopic flow of he- lium II are the Hall–Vinen–Bekharevich–Khalatnikov (HVBK) equations which were derived by a number of people over the years (Hall & Vinen ...
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Rotational superradiant scattering in a vortex flow
... also shown the reflection coefficients obtained for a plane wave propagating on standing water.. of the same depth.[r] ...
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Vortex flow and cavitation in diesel injector nozzles
... Flow visualization as well as three-dimensional cavitating flow simulations have been employed for characterizing the formation of cavitation inside transparent replicas of fuel injector valves used in low-speed ...
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Mathematical Modeling of Gas-Cleaning Equipment with a Highly Developed Phase Contact Surface | Journal of Engineering Sciences
... The vortex flow of the gas-liquid flow and its pulsating nature of the movement contribute to the intensifica- tion of the crushing process and coagulation of the drop gas-liquid flow in the ...
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Parametric study of vortex train generated by plasma actuator in dependency on input voltage waveform
... [3] vortex train is created. It will be shown the vortex flow field behaviour (either for mean flow field or for instantaneous flow field) in dependency on amplitude modulation ...
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The evolution of co rotating vortices in a canonical boundary layer with inclined jets
... of flow parameters, including jet speed ratio, pitch angle, skew angle, and nozzle ...‘‘oil-dot’’ flow visualization are ...the vortex flow field gen- erated by vortex generator jets, ...
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Experimental and CFD Analysis of Vortex Tube
... Counter flow vortex Tube is used to study the Vortex Tube ...a vortex generator and created a vortex flow when pressurized air is passed through ...mass flow rate of the ...
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Computational Prediction of Tip-Vortex of a Swept Wing
... near-field flow structure of a wing tip vortex behind a sweptback and tapered NACA 0015 wing was investigated using Computational Fluid Dynamics (CFD) code at Re of ...tip vortex is compared with the ...
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Numerical Simulation of Tornado-like Vortices
... like vortex flow was generated inside the AVE and the flow extended into the atmosphere till the top of the ...the vortex acts like a physical chimney and arrests the dissipation of heat at ...
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3D vortex simulation of flow in an opposed-piston engine
... random vortex-boundary element method and present an approach for predicting the flow in engines during the compression ...the flow in engines is primarily in the low Mach number limit, which implies ...
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CFD EVALUATION OF COUNTER-FLOWING WALL JET
... main flow is numerically examined using a three-dimensional, unsteady, Improved Delayed Detached Eddy ...main flow leads to oscillation of the location of the stagnation point and generates significant ...
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FLOW OVER NACA-4415 AEROFOIL AT EXTREME REYNOLDS NUMBERS
... Figures 3.2.1, 3.2.2, 3.2.3 show the velocity vectors, contours of velocity and pressure at Reynolds no. 6000. At this low Reynolds number flow is steady laminar and no vortex formation behind the trailing ...
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The Theory and Experimental Study of the Self Excited Oscillation Pulsed Jet Nozzle (Pipeline Pulsed Flow Generator)
... A lot of tests in 16 oil fields of China, such as South and North of Xingjiang, Sengli, Daqing, Zhongyuan, Chuandong oil fields etc., have been shown that the os- cillating pressure in the well bottom is very large, and ...
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Fish foot prints: morphology and energetics of the wake behind a continuously swimming mullet (Chelon labrosus Risso)
... streak flow visualisation. Rosen (1959) used milk to visualise the flow directly under a continuously swimming pearl danio Brachydanio ...regular vortex pattern behind continuously swimming fish, as ...
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Generation and Transport of Solid Particle Clusters Using a Vortex Ring Launched into Water - Volume 8 Number 4 (Aug. 2017) - IJCEA
... a vortex ring, induced near the nozzle outlet by an axisymmetric disturbance, incorporates the bubbles and convects with them along the jet ...a vortex ring launched toward a bubble ...the vortex ...
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EXISTENCE OF A STEADY FLOW WITH A BOUNDED VORTEX IN AN UNBOUNDED DOMAIN
... negative function having bounded support. The existence theorem is proved by maximizing a functional over the set of rearrangements of vanishing outside bounded sets in . This variational principle was adapted by Burton ...
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Balanced solutions for an ellipsoidal vortex in a rotating stratified flow
... ellipsoidal vortex — was developed by Meacham (1992) in the “quasi-geostrophic” limit, corresponding to a flow in rapid rotation and subject to strongly stable stratification (see McKiver (2015) for a ...
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