• français
    • English
    English
  • Ouvrir une session
Aide
Voir le document 
  •   Accueil de SAM
  • Dynamique des Fluides (DynFluid)
  • Voir le document
  • Accueil de SAM
  • Dynamique des Fluides (DynFluid)
  • Voir le document
JavaScript is disabled for your browser. Some features of this site may not work without it.

Self-similar temporal turbulent boundary layer flow

Article dans une revue avec comité de lecture
Auteur
ccBIAU, Damien
134975 Laboratoire de Dynamique des Fluides [DynFluid]

URI
http://hdl.handle.net/10985/23423
DOI
10.1016/j.compfluid.2023.105795
Date
2023-01
Journal
Computers & Fluids

Résumé

Direct numerical simulations of temporally evolving boundary layer flows are considered with solutions restricted to self-similar profiles. A new set of modified Navier–Stokes equations is solved with periodic boundary conditions in the streamwise direction, and solutions reach statistically steady states, independent of the initial conditions. The results are presented for different cases, with and without a pressure gradient, and found to be in agreement with existing results of spatial turbulent boundary layer flows. Thus, self-similar temporal solutions are able to reproduce the general features of turbulent boundary layer flows. Finally, the model is applied to simulate a turbulent spot in equilibrium, which is difficult to obtain otherwise.

Fichier(s) constituant cette publication

Nom:
DYNFLUID_CF_2023_BIAU.pdf
Taille:
1.533Mo
Format:
PDF
Description:
Self-similar temporal turbulent ...
Fin d'embargo:
2023-07-30
Voir/Ouvrir

Cette publication figure dans le(s) laboratoire(s) suivant(s)

  • Dynamique des Fluides (DynFluid)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • The first-digit frequencies in data of turbulent flows 
    Article dans une revue avec comité de lecture
    ccBIAU, Damien (Elsevier, 2015)
    Considering the first significant digits (noted image) in data sets of dissipation for turbulent flows, the probability to find a given number (image or 2 or …9) would be 1/9 for a uniform distribution. Instead the probability ...
  • Transient growth of perturbations in Stokes oscillatory flows 
    Article dans une revue avec comité de lecture
    ccBIAU, Damien (Cambridge University Press (CUP), 2016)
    Oscillatory Stokes flows, with zero mean, are subjected to subcritical transition to turbulence. The maximal energy growth of perturbations is computed in the subcritical regime through an optimisation method. The results ...
  • Flow in a weakly curved square duct: Assessment and extension of Dean's model 
    Article dans une revue avec comité de lecture
    ccRIGO, Leonardo; ccBIAU, Damien; ccGLOERFELT, Xavier (American Physical Society (APS), 2021-02)
    The simplified model by W. R. Dean, based on a low-curvature assumption, provided an early understanding of the laminar flow in curved ducts. However, most of the following studies relied on computer simulations of the ...
  • Closed-loop control of wavepackets in a free shear-flow 
    Communication avec acte
    SASAKI, Kenzo; TISSOT, Gilles; CAVALIERI, André V. G.; SILVESTRE, Flávio J.; JORDAN, Peter; ccBIAU, Damien (American Institute of Aeronautics and Astronautics, 2016)
    This study aims at the attenuation of the unsteady fluctuations along a two-dimensional mixing layer which may be considered as a prototypical problem for the evaluation of es- timation and control techniques, and also a ...
  • Closed-loop control of a free shear flow: a framework using the parabolized stability equations 
    Article dans une revue avec comité de lecture
    SASAKI, Kenzo; TISSOT, Gilles; CAVALIERI, André V. G.; SILVESTRE, Flávio J.; JORDAN, Peter; ccBIAU, Damien (Springer Verlag, 2018)
    In this study the parabolized stability equations (PSE) are used to build reduced-order-models (ROMs) given in terms of frequency and time-domain transfer functions (TFs) for application in closed-loop control. The control ...

Parcourir

Tout SAMLaboratoiresAuteursDates de publicationCampus/InstitutsCe LaboratoireAuteursDates de publicationCampus/Instituts

Lettre Diffuser la Science

Dernière lettreVoir plus

Statistiques de consultation

Publications les plus consultéesStatistiques par paysAuteurs les plus consultés

ÉCOLE NATIONALE SUPERIEURE D'ARTS ET METIERS

  • Contact
  • Mentions légales

ÉCOLE NATIONALE SUPERIEURE D'ARTS ET METIERS

  • Contact
  • Mentions légales