Substantiation of technological regimes of underwater hydroabrasive processing of metal products

Authors: Mikhailova M.A., Smirnov A.V.
Published in issue: #1(66)/2022
DOI: 10.18698/2541-8009-2022-1-763
Category: Aviation and Rocket-Space Engineering | Chapter: Innovation Technologies of Aerospace Engineering
Keywords: waterjet machining, waterjet cutting, waterjet piercing, focusing nozzle, mathematical modeling, ANSYS / Autodyn, physical and mathematical model
Published: 18.02.2022

The paper considers the possibilities of increasing the productivity of mobile installations, in particular, in conditions of work under water (for flashing, cutting, cleaning metal products, etc.). A mathematical and parametric model is proposed for solving the problem in a two-dimensional formulation when processing parts with a two-phase suspension. As a result of numerical simulation in the ANSYS / Autodyn software environment, authors analyzed the influence of the structure and concentration of abrasive particles of the suspension on the effectiveness of the high-speed jet being formed. The presented solution allows not only to increase the service life of the focusing tube, but also to increase the productivity of waterjet processing. Recommendations are given on the method of switching the modes of abrasive supply to the jet-forming path.

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