Abstract
A physical and mathematical model is developed for the liquid evaporation from an axisymmetric cavity in a metal plate under the parametric action of laser radiation (LR). A hypothesis is proposed for the formation of a steam – liquid mixture (SLM) in a cavity with liquid during LR. As a result of the numerical solution of the developed physical and mathematical model, the dependences of the change in the mass and temperature of the SLM in the cavity during LR were established, as well as the energy costs for heating, evaporation of the liquid and the costs of heating the cavity wall with constant and pulsed LR were determined. A comparative analysis of the results of physical and mathematical modeling with the known results of experimental investigations showed a discrepancy in the mass of the evaporated liquid up to 3.33% and in the temperature up to 1.28%.
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