Reynolds number influence on preferential concentration of heavy particles in turbulent flows

Martin Obligado; Mahrane Missaoui; Romain Monchaux; Alain Cartellier; Mickaël Bourgoin

doi:10.1088/1742-6596/318/5/052015

Reynolds number influence on preferential concentration of heavy particles in turbulent flows

Martin Obligado
, Mahrane Missaoui
, Romain Monchaux
, Alain Cartellier
, Mickaël Bourgoin

CNRS

Résultats de recherche: Contribution à un journal › Article de conférence › Revue par des pairs

21 Citations (Scopus)

Résumé

We present a study of the preferential concentration and clustering in homogeneous and isotropic turbulence. Using Voronoï diagrams, we have formerly quantified preferential concentration as a function of the Stokes number in moderate turbulence conditions up to Reynolds number based on Taylor microscale of the order of R_λ ∼ 120. Using an active grid recently implemented in our windtunnel, we investigate in the present study, the effect of Reynolds number on particles clustering, in the range R _λ ∼ 200 - 400.

langue originale	Anglais
Numéro d'article	052015
journal	Journal of Physics: Conference Series
Volume	318
Numéro de publication	SECTION 5
Les DOIs	https://doi.org/10.1088/1742-6596/318/5/052015
état	Publié - 1 janv. 2011
Modification externe	Oui
Evénement	13th European Turbulence Conference, ETC13 - Warsaw, Pologne Durée: 12 sept. 2011 → 15 sept. 2011

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10.1088/1742-6596/318/5/052015

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title = "Reynolds number influence on preferential concentration of heavy particles in turbulent flows",

abstract = "We present a study of the preferential concentration and clustering in homogeneous and isotropic turbulence. Using Vorono{\"i} diagrams, we have formerly quantified preferential concentration as a function of the Stokes number in moderate turbulence conditions up to Reynolds number based on Taylor microscale of the order of Rλ ∼ 120. Using an active grid recently implemented in our windtunnel, we investigate in the present study, the effect of Reynolds number on particles clustering, in the range R λ ∼ 200 - 400.",

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T1 - Reynolds number influence on preferential concentration of heavy particles in turbulent flows

AU - Obligado, Martin

AU - Missaoui, Mahrane

AU - Monchaux, Romain

AU - Cartellier, Alain

AU - Bourgoin, Mickaël

PY - 2011/1/1

Y1 - 2011/1/1

N2 - We present a study of the preferential concentration and clustering in homogeneous and isotropic turbulence. Using Voronoï diagrams, we have formerly quantified preferential concentration as a function of the Stokes number in moderate turbulence conditions up to Reynolds number based on Taylor microscale of the order of Rλ ∼ 120. Using an active grid recently implemented in our windtunnel, we investigate in the present study, the effect of Reynolds number on particles clustering, in the range R λ ∼ 200 - 400.

AB - We present a study of the preferential concentration and clustering in homogeneous and isotropic turbulence. Using Voronoï diagrams, we have formerly quantified preferential concentration as a function of the Stokes number in moderate turbulence conditions up to Reynolds number based on Taylor microscale of the order of Rλ ∼ 120. Using an active grid recently implemented in our windtunnel, we investigate in the present study, the effect of Reynolds number on particles clustering, in the range R λ ∼ 200 - 400.

U2 - 10.1088/1742-6596/318/5/052015

DO - 10.1088/1742-6596/318/5/052015

M3 - Conference article

AN - SCOPUS:84856324446

SN - 1742-6588

VL - 318

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

IS - SECTION 5

M1 - 052015

T2 - 13th European Turbulence Conference, ETC13

Y2 - 12 September 2011 through 15 September 2011

ER -

Reynolds number influence on preferential concentration of heavy particles in turbulent flows

Résumé

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