Trajectory prediction of a point mass particle in a predefined wall-bounded flow field with the objective of estimating its wall-impact velocity

► Introduction of the velocity damping factor. ► Equation of motion for a Langrangian particle in a wall-bounded flow. ► Introduction of relevant dimensionless numbers describing the system. ► Mathematical expressions for the velocity damping factors. ► Application of the presented model to a coarse grid simulation and comparison to a benchmark.