Abstract
The deposition of monodisperse particles (1.0– 26.0 μm diameter) in an idealized mouth–throat geometry has been studied numerically. The continuous phase flow is solved using a RANS (Reynolds averaged Navier–Stokes) turbulence model at inhalation flow rates of 90.0 and 30.0 l/ min . The particulate phase is simulated using a random-walk/Lagrangian stochastic eddy-interaction model (EIM). Without near-wall corrections in the EIM, poor agreement is seen with experimental data on deposition. However, when a new near-wall correction in the EIM is implemented, the particle deposition results in the idealized mouth–throat geometry are in relatively good agreement when compared with measured data obtained in separate experiments.
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