Lagrangian Monte Carlo Simulation Of
Spray-flow Interaction
Author(s)
T. Belmrabet, R. Russo, M. Mulas & S. Hanchi
Abstract
The aim of this work is to determine the interaction between a droplet’s
stationary spray and a fluid flow, accounting for droplet vaporization, breakup
and turbulences effects. In order to achieve this, a Lagrangian Monte Carlo code
(McSpray) has been developed, besides a volume-finite Navier–Stokes solver
(Karalis). The two codes work sequentially on the same computational grid, each
influencing the other, so that a complete two-way coupling might be modelled.
To validate the McSpray code in the case of two-way coupling, two cases have
been performed: the first is a surface injection parallel to the inflow continuum
velocity; the second is a conic point injection having an injection angle equal to
15 degrees. To verify these results, they are compared with the ones provided by
Fluent commercial code.
Keywords: finite volume, spray, Monte Carlo.
1 Introduction
The subject of multiphase flow modelling processes is a quite vast research field
of utmost practical interest. When two or more phases move relatively to each
other, they may exhibit a large number of possible flow regimes. There are
several classifying ways of these multiphase flows. In dispersed flows all the
phases except one exist as dispersed (discontinuous) particles flowing through
the continuous fluid.
Using the Eulerian–Lagrangian approach, trajectories of dispersed phase
particles are simulated by solving an equation of motion for each particle.
Motion of the continuous phase is modelled using a conventional Eulerian
Keywords
finite volume, spray, Monte Carlo.
Related Book
Other papers in this volume
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