Wear Analysis of Single Step Nozzle in Abrasive Water Suspension Jet Machining through CFD

Yogesh Kumar Deshmukh *, Santosh Kumar Mishra **
*-** Department of Mechanical Engineering, Bhilai Institute of Technology Durg, Bhilai, India.
Periodicity:August - October'2020
DOI : https://doi.org/10.26634/jme.10.4.17485

Abstract

Abrasive water suspension jet (AWSJ) machining process mostly cut stronger materials and some steel tools in industries. This process encourages material removal without the involvement of heat. Nozzle wears resulting in uneven diameter of the center tube and outlet, which is the major problem of AWSJ machining process. The wear is caused due to abrasive type, nozzle dimensions and water jet variations. It is not possible to experimentally calculate the wear in the nozzle and control nozzle wear, hence this affects the surface finish through AWSJ machining process. In this research work the effect of geometry, abrasive size, wall shear stress and skin friction coefficient on single-step nozzle has been designed using GAMBIT 2.2.30 software and analysis is done by ANSYS Fluent 6.2.2 software. This simulation studies the wall shear stress and skin friction coefficient over the wall of the nozzle, thus analyzing the nozzle wear during machining process.

Keywords

AWSJ, Wall Shear Stress, Skin Friction, Nozzle Dimensions, Machining, Abrasion, Water Jet.

How to Cite this Article?

Deshmukh, Y. K., and Mishra, S. K. (2020). Wear Analysis of Single Step Nozzle in Abrasive Water Suspension Jet Machining through CFD. i-manager's Journal on Mechanical Engineering, 10(4), 30-39. https://doi.org/10.26634/jme.10.4.17485

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