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Received: 15 March 2020 Accepted: 12 May 2020 In production of metals, commonly performed at elevated temperature, an intensive cooling is accompanied by a large heat transfer with the surrounding medium. Such cooling modifies strongly the properties and the structure of the product. Knowledge of the temperature evolution in a material allows controlling its important parameters in order to improve its qualities and optimize his costs. The focus of this article is to simulate the heat transfer by conduction in a slab on Titanium alloy. The slab in thermal interaction with the surrounding midst of its all sides by convection and radiation is sprayed by water on his upper side which must cool to reach the saturation temperature of water. During the cooling process, the impact of water droplets on the slab is obtained by twin overlapping sprays with elliptical shapes. The simulation, based on numerical solving in three dimensions of nonlinear transient heat equation, is carried out the COMSOL Multiphysics software in order to reach a temperature distribution inside the slab. Results are presented in temperature variation form which occurring in the slab and of heat flux involved to evaluate the heat transfer rate.

3D Transient Heat Transfer Simulation of Spray Cooling on Titanium Alloy Slab