In this research, the effect of the curvature radius of the target convex plate on the hydraulic jump radius is investigated using experimental study as well as numerical simulation. In order to simulate the hydraulic jump, the VOF model is utilized using a continuous surface force model (CSF) and geometric reconstruction is used for determining the interface between two fluids. In addition, ethylene glycol with constant density and viscosity is considered as the working fluid. The results of experimental study and numerical simulation in the governing conditions of this study indicate that the hydraulic jump is a function of three important parameters, including the vertical jet radius, the curvature radius of the target plate and also the volumetric flow rate. By comparing the radius of the hydraulic jump in the convex and flat plates, it is becoming evident that the jump radius increases with increasing the volumetric flow rate and decreases with increasing the curvature radius of the plate and impinging jet radius.

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