Numerical investigation of homogeneous equilibrium model and fluid-structure interaction for multiphase water flows in pipes

Messahel, Ramzi; Regan, Cyril; Souli, M’hamed; Ruiu, Camille

doi:10.1016/j.ijmultiphaseflow.2017.08.016

Cited by 11 publications

(4 citation statements)

References 15 publications

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“…The fluid-structure interaction (FSI) is a combination of the fluid flow model and the mechanical properties that determine the physical phenomena occurring between a fluid and a deformable solid and how they affect each other [39][40][41]. It models both the fluid domain and the solid domain and includes a predefined condition for interaction at the fluid-solid boundaries.…”

Section: Methodsmentioning

confidence: 99%

Experimental and numerical analysis of effects of supercritical carbon dioxide debinding on Inconel 718 MIM components

et al. 2019

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Polymer extraction is a key step of the metal injection moulding (MIM) process. An innovative method for extracting an organic binder involves the use of supercritical fluid instead of a regular solvent. The supercritical fluid selected was carbon dioxide due to its affinity toward polyethylene glycol. The supercritical carbon dioxide parameters were optimised in order to complete the extraction of this polymer from the Inconel 718 superalloy feedstock. The effects on the surface quality of the components and on the microstructure of the densified component were also investigated. A finite element model, which combines the fluid model and structural mechanics , enabled the estimation of the stress distribution during the supercritical debinding step. The study was completed by a parametric analysis of the pressure variation inside the equipment with respect to the processing parameters for the MIM components.

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Section: Methodsmentioning

confidence: 99%

Experimental and numerical analysis of effects of supercritical carbon dioxide debinding on Inconel 718 MIM components

et al. 2019

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“…e fluid in this study was in an incompressible and turbulent flow. Hence, the flow equations satisfied the conservation laws of mass, momentum, and energy [17,18], which were numerically solved in the commercial software package FLUENT. e governing equations are described as follows: Continuity equation:…”

Section: Flow Equationmentioning

confidence: 99%

Dynamic Simulation of a Warship Control Valve Based on a Mechanical-Electric-Fluid Cosimulation Model

Han

Xie

Wang

et al. 2021

Science and Technology of Nuclear Installations

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Control valves have an important function in the warship power system. In engineering practice, the fluid oscillation inside the control valve causes the additional load to the valve actuator. When the additional load is added to the original load of the valve, it is possible that the required driving force (or driving moment) of the valve is greater than the maximum force (or moment) output by the actuator, which may cause the abnormal stop of the actuator. Conventionally, the interaction effect of the valve mechanical and electric components on the valve chamber’s flow field cannot be considered in computational fluid dynamics (CFD) simulations, so the oscillating fluid loads cannot be accurately obtained. In order to solve this problem, the mechanical-electric-fluid integrated valve model, using the FLUENT and AMESim cosimulation method, was developed to embody the interaction effect between the components of each part of the control valve and exhibit the fluid oscillation during the operating process of the control valve. Compared with the pure software simulations, the unsteady flow characteristics and dynamic response of the actuator were synchronously obtained in this study, which accurately captured the sudden fluid loads required for further compensation. At the same time, the differences in performance of different valve plugs were compared. The stability time of the valve plug and oscillation amplitude of the unstable fluid loads were distinct for control valves with different flow characteristics. The results can aid in understanding the instability mechanism of the fluid load in the control valve better, which provides the calculation basis for compensating the additional load on the valve plug and improve the reliability of the control valve.

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“…closing a valve to increase the pressure inside pipes, which caused waves to propagate along the channel. Meanwhile, Messahl et al [13] numerically investigated the industrial problem of a fluid-structure interaction and cavitation in a single-bend pipe system. Later, Raoul et al [14] examined the solid-fluid coupling, via numerical modelling, for a thin body solid.…”

Section: Introductionmentioning

confidence: 99%

Numerical Study of the Elasto-Hydrodynamic Behavior of a Metallic Structure Subjected to a Nanofluid Flow

Kada¹,

Elmir²,

Mokhefi³

et al. 2022

IJHT

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In this paper, the behavior of an elastic barrier subjected to isothermal laminar flow of Al2O3-water nanofluid in a channel has been studied numerically by the finite element method. A CFD based on the arbitrary Lagrange-Euler (ALE) formulation, has been developed in an attempt to solve the Navier-Stokes and stress-strain equations of the structure. The objective is to study the effects of inertia (Re) and nanoparticle volume fraction (φ) on the overall hydrodynamic behavior, as well as on the nanofluid-structure interface. The results showed that the deformation of the structure was mainly caused by the pressure loading of the nanofluid and the viscous drag imposed on the structure walls. In addition, the structure was strongly affected by the increase in Reynolds number and volume fraction of the nanoparticles. Finally, a numerical correlation was established to determine the maximum displacement caused by the bending of the structure.

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Numerical investigation of homogeneous equilibrium model and fluid-structure interaction for multiphase water flows in pipes

Cited by 11 publications

References 15 publications

Experimental and numerical analysis of effects of supercritical carbon dioxide debinding on Inconel 718 MIM components

Experimental and numerical analysis of effects of supercritical carbon dioxide debinding on Inconel 718 MIM components

Dynamic Simulation of a Warship Control Valve Based on a Mechanical-Electric-Fluid Cosimulation Model

Numerical Study of the Elasto-Hydrodynamic Behavior of a Metallic Structure Subjected to a Nanofluid Flow

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