Regression model for depth of cut of water jet into rock materials

Abstract

This article is aimed at derivation of a semiempirical and subsequently a regression model for cutting of rock materials by high-speed water jet. These models are similar to the ones derived for the same reason by other researchers. The searched variable is a depth of cut depending on pressure in the nozzle, diameter of the nozzle and traverse speed of the nozzle above rock material. The models are based on the dynamic pressure of water jet acting on rock material and comparison with experiment. The regression model is supported by simple theoretical model.