This paper aims to evaluate the erosion wear in coated valves where multiphase fluids containing oil and sand flow. Analysis models to evaluate the erosion rate of gate valves coated and uncoated with Everslik 1301 by using COMSOL Multiphysics 5.4 are presented. Also, based on these models, analysis results performed compare the erosion rates of coated and uncoated gate valves and evaluate the effect of the film thickness on the erosion rate. Finnie and Oka models were used to evaluate the erosion rate of the valve elements.
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