A three dimensional model of coating formation has been developed. Using the model we are able to simulate coating formation by deposition of large numbers of droplets. The properties of impacting particles are assumed to vary stochastically using a normal probability density function. Splat curl up is assumed to be the source of porosity formation. The model is able to predict coating porosity, thickness and roughness as a function of spray parameters.
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Issue Section:Process Modeling and Simulation