A variational multiscale method for particle-cloud tracking in turbomachinery flows

A. Corsini, F. Rispoli, A. G. Sheard, Kenji Takizawa, Tayfun E. Tezduyar, P. Venturini

    Research output: Contribution to journalArticle

    36 Citations (Scopus)

    Abstract

    We present a computational method for simulation of particle-laden flows in turbomachinery. The method is based on a stabilized finite element fluid mechanics formulation and a finite element particle-cloud tracking method. We focus on induced-draft fans used in process industries to extract exhaust gases in the form of a two-phase fluid with a dispersed solid phase. The particle-laden flow causes material wear on the fan blades, degrading their aerodynamic performance, and therefore accurate simulation of the flow would be essential in reliable computational turbomachinery analysis and design. The turbulent-flow nature of the problem is dealt with a Reynolds-Averaged Navier–Stokes model and Streamline-Upwind/Petrov–Galerkin/Pressure-Stabilizing/Petrov–Galerkin stabilization, the particle-cloud trajectories are calculated based on the flow field and closure models for the turbulence–particle interaction, and one-way dependence is assumed between the flow field and particle dynamics. We propose a closure model utilizing the scale separation feature of the variational multiscale method, and compare that to the closure utilizing the eddy viscosity model. We present computations for axial- and centrifugal-fan configurations, and compare the computed data to those obtained from experiments, analytical approaches, and other computational methods.

    Original languageEnglish
    Pages (from-to)1191-1202
    Number of pages12
    JournalComputational Mechanics
    Volume54
    Issue number5
    DOIs
    Publication statusPublished - 2014 Oct 8

    Fingerprint

    Variational multiscale Method
    Turbomachinery
    Fans
    Computational methods
    Petrov-Galerkin
    Closure
    Flow fields
    Computational Methods
    Flow Field
    Fluid mechanics
    Stabilized Finite Elements
    Exhaust gases
    Process Industry
    Eddy Viscosity
    Turbulent flow
    Fluid Mechanics
    Streamlines
    Aerodynamics
    Blade
    Navier-Stokes

    Keywords

    • Particle cloud tracking
    • Turbulent particle dispersion
    • Variational multiscale method

    ASJC Scopus subject areas

    • Computational Theory and Mathematics
    • Mechanical Engineering
    • Ocean Engineering
    • Applied Mathematics
    • Computational Mathematics

    Cite this

    A variational multiscale method for particle-cloud tracking in turbomachinery flows. / Corsini, A.; Rispoli, F.; Sheard, A. G.; Takizawa, Kenji; Tezduyar, Tayfun E.; Venturini, P.

    In: Computational Mechanics, Vol. 54, No. 5, 08.10.2014, p. 1191-1202.

    Research output: Contribution to journalArticle

    Corsini, A. ; Rispoli, F. ; Sheard, A. G. ; Takizawa, Kenji ; Tezduyar, Tayfun E. ; Venturini, P. / A variational multiscale method for particle-cloud tracking in turbomachinery flows. In: Computational Mechanics. 2014 ; Vol. 54, No. 5. pp. 1191-1202.
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