A novel method is presented for modeling the abrasive waterjet machining process. Particle motion on the cross section of particle-laden jetflow is simulated in order to quantify the erosion contributions of millions of particles having different kinematic behaviors. The simulation is performed using fractal point sets with chaotic behavior for the cases of circular and noncircular (elliptical, triangular) jets. The jetflow constructed can be endowed with any desired velocity profile and/or particle flowrate. In association with a classical constitutive equation for estimating the penetration ability of a particle, the drilling and cutting operations are simulated and verified by experiment for titanium, glass, and other materials. Roughness and waviness of the cutting surfaces are also simulated and there is good consistency between theory and experiment. Triangular and elliptical jetflows are utilized to explore potential applications of noncircular abrasive waterjets.
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June 1997
Research Papers
Simulation of Chaotic Particle Motion in Particle-Laden Jetflow and Application to Abrasive Waterjet Machining
Z. Yong,
Z. Yong
Center for Robotics and Manufacturing Systems, University of Kentucky, Lexington, KY 40506-0108
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R. Kovacevic
R. Kovacevic
Center for Robotics and Manufacturing Systems, University of Kentucky, Lexington, KY 40506-0108
Search for other works by this author on:
Z. Yong
Center for Robotics and Manufacturing Systems, University of Kentucky, Lexington, KY 40506-0108
R. Kovacevic
Center for Robotics and Manufacturing Systems, University of Kentucky, Lexington, KY 40506-0108
J. Fluids Eng. Jun 1997, 119(2): 435-442 (8 pages)
Published Online: June 1, 1997
Article history
Received:
August 3, 1995
Revised:
January 12, 1997
Online:
December 4, 2007
Citation
Yong, Z., and Kovacevic, R. (June 1, 1997). "Simulation of Chaotic Particle Motion in Particle-Laden Jetflow and Application to Abrasive Waterjet Machining." ASME. J. Fluids Eng. June 1997; 119(2): 435–442. https://doi.org/10.1115/1.2819152
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