Numerical Investigation of Particle Laden Thermally Driven Turbulent Flows in Enclosure

Paul Scherrer

Description

Niveau: Supérieur
Numerical Investigation of Particle-Laden Thermally Driven Turbulent Flows in Enclosure R. Puragliesi†, E. Leriche?,† †Faculté des Sciences et Techniques, Université de Lyon, Saint-Étienne, France HFFS, 08 September 2010, Paris The present work has been performed under the direction of Prof. M. Deville and Prof. A. Soldati at the École Polytechnique Fédérale de Lausanne (CH) and funded by the Paul Scherrer Institut (CH). R. Puragliesi (LaMUSE) 1 / 44

• particle


• introduction motivations


• introduction numerical


• only dispersed


• turbulent kinetic energy


• driven turbulent


• aerosol phase


• art chebyshev pseudo-spectral

Sujets

• École polytechnique
• Déville
• Scherrer
• Université de Lyon
• Particle
• Turbulence kinetic energy

Informations

• Publié par: chaeh
• Nombre de lectures: 16
• Langue: English
• Poids de l'ouvrage: 16 Mo

Extrait

NumericalInvestigationofParticle-Laden ThermallyDrivenTurbulentFlowsinEnclosure .RuP R.Puragliesi † ,E.Leriche ∗ , † † FacultédesSciencesetTechniques,UniversitédeLyon,Saint-Étienne,France HFFS,08September2010,Paris ThepresentworkhasbeenperformedunderthedirectionofProf.M.Deville andProf.A.SoldatiattheÉcolePolytechniqueFédéraledeLausanne(CH) andfundedbythePaulScherrerInstitut(CH). arlgeiis(aLUMES)1/44

Outline 1 2 3 4 Introduction Motivations Objectives NumericalMethods MathematicalDescription CubicCavity ContinuousPhase AerosolPhase Conclusions Perspectives .RuParlgeiis(aLUMES)2/44

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nIrtdocuitnobOejtcvise SomeFundamentalQuestions ContinuousPhase: R Thermalcouplingeffects (stratification,pressuredistribution, gravitywaves,etc.) Turbulencecharacterization (secondorderstatistics,time-signal processing,turbulentkineticenergy production,etc.) Boundarylayerflow structuresandmacroscopic wallquantities (heattransfer, momentumflux,etc.) .uParlgeiis(aLUMES) AerosolPhase: Mechanismsofaerosol depletion (gravitationalsettling, turbophoresis,thermophoresis, depositionbyimpaction,etc.) Attractors/Repulsorsof Fluid-Particledynamicsystem ⇒ segregation,accumulation, recirculation,etc. Simplewaytomodelthe depositionprocess ⇒ model parametersidentification 4/44