VSE knjižnice (vzajemna bibliografsko-kataložna baza podatkov COBIB.SI)
  • Boundary domain integral method for gas-solid particle flow
    Požarnik, Matej ; Škerget, Leopold
    In the present study the numerical solution of gas-solid particle flow using the boundary domain integral method (BDIM) is investigated. A program is being developed to model the hydrodynamics of ... fluidized bed systems by using the Eulerian approach. Both phases are treated as separated, incompressible, continuous and fully interpenetrating fluids. Each phase is described by a modified Navier-Stokes equation including interphase momentum exchange. With the vorticity vector ▫$\omega_p_i$▫ representing the curl of the velocity field ▫$\upsilon_p_i$▫ both phases motion computation scheme is partitioned into its kinematic and kinetic aspect. Therefore an additional equation from the drift flux theory is necessary to compute volume fraction knowing the velocity fields. The main advantage of the new BDIM scheme is a reduced number of additional physical models derived from the kinetic theory of granular flows for the description of the solid phase. The numerical scheme has been tested first on a single-phase test example. Two-phase two-component results are studied on two-phase gas-solid particles vertical pipe flow.
    Vir: Proceedings of the 3rd International Congress of Croatian Society of Mechanics,held in Cavtat-Dubrovnik, Croatia, September 28-30, 2000 (Str. 435-442)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2000
    Jezik - angleški
    COBISS.SI-ID - 5679382

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