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- Spray-Wall Interactions ModelingPublication . Silva, A. R. R.; Rodrigues, Christian; Barata, Jorge M MSpray impingement is an important phenomenon affecting a wide variety of applications. The present work describes the developments that our research group that have been made to a basic spray impingement model to account for the influence of several parameters, such the liquid film deposited onto the surface, the wall temperature or the crossflow velocity. Numerical simulations are carried out for predicting the outcome of such flows that include liquid film formation, the droplet breakup and the spray evaporation. An empirical procedure is used to define the initial spray characteristics, which relies on a comprehensive set of free spray measurements. The computer model is evaluated by comparing the numerical simulations against experiments on spray impacting on a solid surface with the presence of a crossflow. The predicted results show a reasonable agreement with the measurements. Moreover, further results are presented on the formation droplets due to the deformation and breakup mechanisms.