COMPUTATIONAL FLUID DYNAMICS SIMULATION OF EROSION-CORROSION IN ABRASIVE WATER JET MACHINING

H. Deni̇z Ada, Mehmet Erdem and Kadi̇r Gok
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H. Deni̇z Ada: Kutahya Vocational School of Technical Sciences, Chemical Technologies, Dumlupinar University, Germiyan Campus, Kutahya/Turkey
Mehmet Erdem: #x2020;Kutahya Vocational School of Technical Sciences, Mechanical and Metal Technologies, Dumlupinar University, Germiyan Campus, Kutahya/Turkey
Kadi̇r Gok: #x2021;Department of Biomedical Engineering, Engineering and Architecture Faculty, Izmir Bakircay University, Izmir, Turkey

Surface Review and Letters (SRL), 2021, vol. 28, issue 05, 1-7

Abstract: Today, conventional machining with chip or machining without chip machining manufacturing methods is used to bring to the desired dimensions sizes the machines and equipment used in the industry. However, non-traditional manufacturing methods are used in cases where traditional machining manufacturing methods are inadequate. Cutting with water jet which is one of the non-traditional manufacturing methods is commonly used in several fields of industry. Unlike traditional manufacturing methods such as turning and milling, not using of a physical cutting tool is among the advantages of the method. Abrasive water jet manufacturing method was started to be applied by adding abrasive particles in the water jet. Apart from the superior properties of the method, possible damages occur in the water jet nozzle due to processes such as cutting or drilling by applying high pressure. Erosion-corrosion is the leading damage among these damages. In this study, the erosion-corrosion in the nozzle caused by high-pressure water and abrasive during the abrasive water jet cutting process was simulated in the computer environment. In this paper, the erosion rate in the nozzle was calculated as 6,90E-06kg/m2s. This value was converted as 0,30mm (27,09mm for yearly) via developed software for 100h.

Keywords: Abrasive water jet; failure of water jet nozzle; Computational Fluid Dynamics; erosion corrosion; simulation (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1142/S0218625X21500311

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