CFD Two-phase flow modelling approaches
CFD simulation of bubbly two-phase flow in horizontal pipes
... any CFD problem is the Navier-Stokes equations, which define any single-phase fluid ...equations. Two- dimensional methods, using conformal transformations of the flow about a cylinder to the ...
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CFD Simulation of Gas-Solid Two-Phase Flow in Pneumatic Conveying of Wheat
... dense phase pneumatic conveying of granular materials, flowing through a horizontal pipe, a wave-like flow has been observed which is shown in ...gas-solid flow, also referred to dune flow, ...
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IBM-LBM modelling of two-phase flow in porous media
... these two sections, the capillary bridge and capillary rise between two horizontal circular bodies are simulated to verify the accuracy of capillary interaction force and liquid distribution of the ...
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Diffuse interface modelling of soluble surfactants in two phase flow
... in two spatial dimensions in order to qualitatively illustrate the efficacy of our ...the two-phase flow, namely, that the fluids have the same mass densities and viscosities and that a Dirichlet ...
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Two-phase flow modelling within expansion and contraction singularities
... air-water flow in sudden and progressive enlargements and smooth contraction is ...and flow visualization is ...same flow conditions, the minimum pressure recovery occurs for sudden enlargement ...
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Two-Phase Bubble Flow Modelling for Restoration of Eutrophic Lakes
... Artificial Flow in a Cylinder Eutrophication has been a worldwide lake pollution problem, with serious ...out CFD modelling of artificial circulation triggered by air-bubble injection into the lake ...
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Numerical modelling of homogeneous two-phase gas-liquid flow in a pipe
... mass flow rate for different values of mass ratio were ...mass flow rate there decreases along the pipe and maintained near a steady flow until it reaches the downstream of the pipe signifying the ...
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A CFD study on two-phase frozen flow of air/water through a safety relief valve
... mass flow increases. In this study the increased liquid flow acts as a means to introduce greater non equilibrium and takes the form of an independent ...air flow is thus investigated and becomes the ...
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A CFD study of two-phase frozen flow of air/water through a safety relief valve
... the phase inlet boundary conditions to those in practice but does not directly correspond to the test conditions where a liquid inlet mass flow combined with an air pressure inlet would have intuitively ...
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Research Article Validation of NEPTUNE-CFD Two-Phase Flow Models Using Experimental Data
... and modelling of complex two-phase flow in real bundles and make BFBT experiments valuable for the NEPTUNE-CFD multiphase models ...of two parts: void distribution benchmark ...
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The Study of Two-Phase Flow for Crude Oil Production Using Computational Fluid Dynamics (CFD)
... complex flow pattern. Flow pattern for such two-phase flow can be divided into several categories which are bubbly flow, stratified flow, intermittent flow (plug ...
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CFD modelling of flow-induced vibration under multiphase flow regimes.
... annular flow regime (Hua and Pan, 2015). A lot of complex phase motions and interactions exist in multiphase flowlines between the phases as well as between phases and pipe ...in phase densities, ...
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CFD Analysis Of Multi-Phase Flow And Its Measurements
... Multiphase flow occurs when more than one material is present in a flow field and the materials are present in different physical states of matter or are present in the same physical state of matter but ...
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CFD modelling of flow characteristics in micro shock tubes
... 5. C OMPUTATIONA L S TUDY 5.1 Validation Validation of the computer code was made in two ways. First, 1D transient calculations were made inside a macro shock tube for which there is an analytical solution (Sod ...
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CFD modelling approach for dam break flow studies
... fluid flow imposes two main problems (Jasak, 1996): the nonlinearity of the momentum equation and the pressure-velocity ...problem, two common methods can be ...
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Modelling air and water two phase annular flow in small horizontal pipe
... water two-phase flow in a small horizontal pipe of an inner diameter of ...unsteady flow pattern transition behaviours and underlying physical ...annular flow regime, are shown in ...
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Modelling of a Two-Phase Vortex Ring Flow Based on the Fully Lagrangian Approach
... dispersed phase coupled with the DNS solver for the carrier phase, an axially symmetric transient particle-laden flow in a vortex ring has been ...investigated. Two problem formulations have ...
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Phase field modelling of surfactants in multi phase flow
... multi-phase flow of immiscible, incom- pressible fluids with surfactant, the governing equations of which are presented in Section ...the flow via the capillary term and the Marangoni force. A ...
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Theoretical Investigation to Develop a Fit-for-purpose CFD Code to Simulate Transient Incompressible Two-phase Flow
... multiphase flow processes is a complex and still developing ...multiphase flow processes often has to complement detailed modeling efforts with validation experiments and field data ...multiphase ...
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CFD Parametric Investigation for Two Phase Flow of Refrigerant R134a in Helical Coiled Adiabatic Capillary Tubes
... refrigerant flow control device in small refrigeration systems. Since the flow behavior inside a capillary tube is complex, several physical models are necessary to predict the characteristics of ...
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