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Two Phase Flows

A tabulated data technique for cryogenic two-phase flows

A tabulated data technique for cryogenic two-phase flows

... An explicit density based solver for cryogenic two-phase flows has been developed in OF. The Helmholtz EoS for oxygen has been employed in a tabulated form; finite element bilinear interpolation was ...

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Prospects for the application of radiometric methods in the measurement of two-phase flows

Prospects for the application of radiometric methods in the measurement of two-phase flows

... of two-phase flows: liquid-solid particles and liquid-gas ...flowing two-phase mixture, such as: average velocities of the particular phases, concentration of the solid phase, ...

5

Numerical Simulations of Two-Phase Flows in the Liquid Solid Circulating Fluidized Bed

Numerical Simulations of Two-Phase Flows in the Liquid Solid Circulating Fluidized Bed

... liquid phase and the influence of boundary conditions for the solid phase are ...the two-phase flows in LSCFBs with spherical particles and the Menter-Lechner near wall treatment can ...

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Upscaling immiscible two-phase flows in an adaptive frame

Upscaling immiscible two-phase flows in an adaptive frame

... The coordinate transformation that we use was inspired by the successes of the time of flight method when applied to the saturation equation. The streamfunction Ψ was first introduced by Muskat [38] in the context of ...

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Drag Reduction by Additives in Curved Pipes for Single-Phase Liquid and Two-Phase Flows: A Review

Drag Reduction by Additives in Curved Pipes for Single-Phase Liquid and Two-Phase Flows: A Review

... and two-phase flows in curved ...channel flows, drag reduction by additives is predominantly in the turbulent flow regime, but a few studies reported DR in the laminar flow ...Single ...

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Experimenting with the p4est library for AMR simulations of
          two-phase flows

Experimenting with the p4est library for AMR simulations of two-phase flows

... Abstract. Many physical problems involve spatial and temporal inhomogeneities that require a very fine discretization in order to be accurately simulated. Using an adaptive mesh, a high level of resolution is used in the ...

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A Robust and Efficient Finite Volume method for Compressible Two-Phase Flows at All Speeds on Unstructured Grids.

A Robust and Efficient Finite Volume method for Compressible Two-Phase Flows at All Speeds on Unstructured Grids.

... number flows in the same ...compressible two-phase flows in a robust and efficient manner is a staggering ...complete two-phase system, which then can get addressed individually; ...

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Numerical Simulation of Compressible Two-phase Flows Using an Eulerian Type Reduced Model

Numerical Simulation of Compressible Two-phase Flows Using an Eulerian Type Reduced Model

... compressible two phase flows with dif- ferent materials and tracking the evolution of the interface between two immiscible fluids is the main aim of the present ...the two phase ...

6

Thermoplastic Micromodel Investigation of Two-Phase Flows in a Fractured Porous Medium

Thermoplastic Micromodel Investigation of Two-Phase Flows in a Fractured Porous Medium

... involving two-phase flows, ...multiphase flows are of interest to hydrologists, agricultural/environmental engineers, and petroleum ...

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To the theory of mass exchange in two phase flows

To the theory of mass exchange in two phase flows

... i-th phase (2), (5), (9) and the medium as a whole (3), (7), (10), (11) add a generalized system of equations for two-phase flows with external heat and mass exchange and are valid for ...

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Computer methods for non-invasive measurement and control of two-phase flows: a review study

Computer methods for non-invasive measurement and control of two-phase flows: a review study

... the phase mixture is transported and it is not optimal or not economical, there is a need to develop a system which would be able to prevent any con- struction disaster, unexpected production line stopping or ...

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Upscaling for two-phase flows in porous media

Upscaling for two-phase flows in porous media

... In a porous media flow simulation, we are interested in modeling the displacement, within a porous media, of either oil, water or some gas. For the most part of this thesis, including all computations, we will be looking ...

178

RANS simulation of bubble coalescence and break-up in bubbly two-phase flows

RANS simulation of bubble coalescence and break-up in bubbly two-phase flows

... For the high flow rate wall- 656 peaked case L2, Figure 7l, where the turbulence level is already high and the void fraction in the 657 pipe centre is low, and the core-peaked void profi[r] ...

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Numerical simulation of compressible cavitating two-phase flows with a pressure-based solver

Numerical simulation of compressible cavitating two-phase flows with a pressure-based solver

... The presented equations are solved on the 3–D domain with the finite volume discretization method and the conver- gence of the system of equations is obtained with a Semi–Implicit Method for Pressure–Linked Equations ...

9

Two-Phase Flows With Dynamic Contact Angle Effects For Fuel Cell Applications

Two-Phase Flows With Dynamic Contact Angle Effects For Fuel Cell Applications

... Liquid water management is still one of the most challenging issues for the commercialization of proton exchange membrane fuel cells (PEMFCs). Numerical modeling and simulation can effectively predict liquid water ...

150

Cross-correlation video recording of gas-vapor-droplet two-phase flows

Cross-correlation video recording of gas-vapor-droplet two-phase flows

... gas-vapor-droplet two-phase flow formation during single water droplets and their aggregate motion through high-temperature (more than 1000 K) combustion products have been conducted with usage of cross- ...

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The Experimental and Numerical Approch of Two- phase Flows by a Wall Jets on Rough Beds in Open Channel Flow

The Experimental and Numerical Approch of Two- phase Flows by a Wall Jets on Rough Beds in Open Channel Flow

... Numerical simulations were carried out using the FLUENT to simulate unsteady jet flow in a 2-dimensional rectangle open channel. For the validation study this model solved using the volume of fluid VOF multiphase method ...

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An efficient Adaptive Mesh Refinement (AMR) algorithm for the Discontinuous Galerkin method: Applications for the computation of compressible two-phase flows

An efficient Adaptive Mesh Refinement (AMR) algorithm for the Discontinuous Galerkin method: Applications for the computation of compressible two-phase flows

... compressible flows, a unified limiting approach is needed to detect and smooth sharp ...compressible flows, a unified limiting approach is needed to detect and smooth sharp ...

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Numerical simulations of low Mach compressible two-phase flows:
 Preliminary assessment of some basic solution techniques

Numerical simulations of low Mach compressible two-phase flows: Preliminary assessment of some basic solution techniques

... We note that many of the low speed flow solvers mentioned above are devised for solving single phase compressible flow problems only. The successful extension of the approaches among them to multiphase flow ...

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A Flux Splitting Method for the SHTC Model for High-performance Simulations of Two-phase Flows

A Flux Splitting Method for the SHTC Model for High-performance Simulations of Two-phase Flows

... symmetric rarefaction waves and trivial stationary contact wave. The Star Region between two rarefaction waves is close to vacuum, hence this problem is appropriate for accessing relevant nu- merical method for ...

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