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Fluctuations in inertial dense homogeneous suspensions

Alméras, Élise and Masbernat, Olivier and Risso, Frédéric and Fox, Rodney O. Fluctuations in inertial dense homogeneous suspensions. (2019) Physical Review Fluids, 4 (10). ISSN 2469-990X

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Official URL: https://doi.org/10.1103/PhysRevFluids.4.102301

Abstract

A theoretical model of liquid and particle random fluctuations is proposed for gravity-driven flows of inertial homogeneous suspensions. It is based on a paradigm assuming that fluctuations of both liquid velocity and particle slip velocity are driven by fluctuations of the phase indicator function. It is shown that this model accurately predicts the energy of the fluctuations of both the fluid and particle phases measured in a homogeneous solid-liquid fluidized bed over a wide range of particle volume fractions, from 10% to 45%

Item Type:Article
HAL Id:hal-02318688
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
French research institutions > Institut National de la Recherche Agronomique - INRA (FRANCE)
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE)
French research institutions > Office National d'Etudes et Recherches Aérospatiales - ONERA (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Iowa State University - ISU (USA)
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Deposited On:17 Oct 2019 10:31

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