MixingofinertialpointparticlesinaturbulentchannelflowatRe𝜏=950isinvestigatedbymeansofdirect numericalsimulations.Weconsiderinertialparticles,atvaryingStokesnumber,releasedfrompairsofsources locatedatdifferentpositionsinsidethechannelandanalyzetherateatwhichparticlescomeintoclose proximitytoeachother.Todoso,weemployaLagrangianframework,whichissuitablefortheanalysis oftrajectoriesandingeneralforthestudyofmixinganddispersionproblems.Byvaryingthereleaseposition ofparticlesalongthewall-normaldirectionweobtainathoroughdescriptionofmixinginananisotropic turbulentflow.Moreover,weanalyzetheeffectsofparticleinertiaandshowthatthesearenotunivocalbut alsodependonthepositionandalignmentofthesources,owinginparticulartothedependenceoftheflow timescalesonthedistancefromthewall.
Investigating the magnitude and temporal localization of inertial particle mixing in turbulent channel flows / Perrone, Davide; Kuerten, J. G. M.; Ridolfi, Luca; Scarsoglio, Stefania. - In: INTERNATIONAL JOURNAL OF MULTIPHASE FLOW. - ISSN 0301-9322. - 165:(2023), p. 104489. [10.1016/j.ijmultiphaseflow.2023.104489]
Investigating the magnitude and temporal localization of inertial particle mixing in turbulent channel flows
Davide Perrone;Luca Ridolfi;Stefania Scarsoglio
2023
Abstract
MixingofinertialpointparticlesinaturbulentchannelflowatRe𝜏=950isinvestigatedbymeansofdirect numericalsimulations.Weconsiderinertialparticles,atvaryingStokesnumber,releasedfrompairsofsources locatedatdifferentpositionsinsidethechannelandanalyzetherateatwhichparticlescomeintoclose proximitytoeachother.Todoso,weemployaLagrangianframework,whichissuitablefortheanalysis oftrajectoriesandingeneralforthestudyofmixinganddispersionproblems.Byvaryingthereleaseposition ofparticlesalongthewall-normaldirectionweobtainathoroughdescriptionofmixinginananisotropic turbulentflow.Moreover,weanalyzetheeffectsofparticleinertiaandshowthatthesearenotunivocalbut alsodependonthepositionandalignmentofthesources,owinginparticulartothedependenceoftheflow timescalesonthedistancefromthewall.File | Dimensione | Formato | |
---|---|---|---|
testo.pdf
accesso aperto
Tipologia:
1. Preprint / submitted version [pre- review]
Licenza:
PUBBLICO - Tutti i diritti riservati
Dimensione
882.63 kB
Formato
Adobe PDF
|
882.63 kB | Adobe PDF | Visualizza/Apri |
investigating_1-s2.0-S0301932223001106-main.pdf
non disponibili
Tipologia:
2a Post-print versione editoriale / Version of Record
Licenza:
Non Pubblico - Accesso privato/ristretto
Dimensione
1.04 MB
Formato
Adobe PDF
|
1.04 MB | Adobe PDF | Visualizza/Apri Richiedi una copia |
Pubblicazioni consigliate
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
https://hdl.handle.net/11583/2978526