CAVITATING FLOW
Simulation Of Cavitating Flow In Circulating Water Pumps In A Power Generation Industry
... According to Kelecy (2003), the results of a numerical study of cavitating flow within a centrifugal pump. By carefully controlling the cavitation process through the adjustment of the pump exit pressure, ...
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Characterization of the cavitating flow in converging-diverging nozzle based on experimental investigations
... This behaviour is usually explained by inception of bubbles in the near wall region and thereby reduced friction. Further pressure decrease leads to cavitation bubble expansion and origin of sheet cavitation, resulting ...
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The characterisation of diesel cavitating flow using time-resolved light scattering
... of flow is called cavitating flow, and is associated with unstable, unsteady vapour cavities forming inside the flowing ...fuel flow inside these injector nozzles[1–3]. Internal ...
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PIV Analysis of Cavitating Flow Behind Square Multi-Orifice Plates
... of cavitating flow behind the square multi-orifice plate are shown in ...that cavitating flow behind the multi-orifice plate is characterized by topological structure, cavitation bubbles are ...
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Experimental measurement and numerical modeling of cavitating flow in converging-diverging nozzle
... Another batch of simulations focused on higher flow rates (10,28 and 13 l/s). No reliable velocity measurements were obtained for those regimes, because caviting phase was present in the centre of the CD nozzle. ...
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Influence of Afterbody and Boundary Layer on Cavitating Flow
... non-cavitating flow regions to supercavitation case, only the tunnel pressure is reduced ...choking flow case is investigated around the models ...
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Development of the Distributed Points Method with Application to Cavitating Flow
... Several researchers [16] [30] have used SPH to model multi-phase flow in the context of astrophysics simulations, e.g. for such things as star formation. In these cases, they deal with compressible gases along ...
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Transition of cavitating flow to supercavitation within Venturi nozzle – hysteresis investigation
... the cavitating flow dynamics investigation can be found in the ...the cavitating spiral vortex within the elbow draft tube was done by Štefan et al ...
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Unsteady RANSE and detached-eddy simulations of cavitating flow
... The generated volume mesh is composed of cuboid cells. Defining refinement regions allowed creating a denser mesh where it is necessary in order to solve the flow more accurately. To keep the mesh size as small as ...
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The Issue of Strouhal Number Definition in Cavitating Flow
... In order to avoid confusion, misinterpretation or even manipulation of results, it should therefore, be essential to use only one definition for the Str number to describe the dynamics of the cavitating ...
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Numerical Predictions of Cavitating Flow around a Marine Propeller and Kaplan Turbine Runner with Calibrated Cavitation Models
... of cavitating flow around a marine propeller and a Kaplan turbine ...the cavitating tip vortex flow, while for the turbine, SAS simulations can significantly improve the predictions of the ...
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Experimental Analysis of the Impact of Particles on the Cavitating Flow
... The purpose of this paper is to present an analysis of the impact of solid particles on the development of cavitating flow conditions around a hydrofoil. Experimental studies have been conducted in a ...
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Mapping of cavitating flow regimes in injectors for medium-/heavy-duty diesel engines
... well-understood flow phenomenon; it initiates at the sharp corners of the hole inlet due to the abrupt acceleration of the fuel flow as it enters the nozzle ...
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A Comparison Study of Cavitating Flow in a Ventricular Assist Device Using Laminar and Turbulent Model
... In the present study, we applied the similar strategy to simulate the flow of a mechanical heart valve closure and compared the results obtained by laminar and turbulent models... Physic[r] ...
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Computation of bubbly cavitating flow in shock wave lithotripsy
... in cavitating bubble clouds where the void fraction is ...the flow field, the bubbles at the core of the cloud exhibited a longer collapse ...must flow outward in order to make room for the volume ...
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Non-linear theories in two-dimensional fully and partially cavitating flow.
... streamline flow with the cavity pressure different from the free stream pressure was proposed by Roshko [34], in which the rear of the cavity is specified by two horizontal halflines A'I5 B'l, the free streamline ...
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Experimental and numerical analysis of cavitating flow around a hydrofoil
... Abstract: The paper describes experiments carried out in the cavitation tunnel with the rectangular test section of 150 x 150 x 500 mm and the maximum test section inlet velocity of 25 m/s. These experiments have been ...
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Cavitation in Pharmaceutical Manufacturing
... fluid flow and fluid properties would need to be better ...the flow is more likely to cavitate but does not characterize cavitation as a function of the fluid flow and fluid ...the flow can be ...
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Measurements of void fraction distribution in cavitating pipe flow using x-ray CT
... There is therefore a need for a measurement technique capable of measuring such structures. Since visible light is scattered at the vapor–liquid boundary layer, harder radiation such as x- rays is needed for these ...
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Evaluation of interface models for 3D-1D coupling of compressible Euler methods for the application on cavitating flows
... of cavitating fluid flow (liquid and vapor) in complex hydraulic systems ...entire flow path in a hydraulic system is currently not possible by the 3D solver due to high computational ...e.g. ...
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