Journal
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
Volume 87, Issue 9-12, Pages 3091-3103Publisher
SPRINGER LONDON LTD
DOI: 10.1007/s00170-016-8722-1
Keywords
Computational fluid dynamics; Abrasive waterjet; Impinging fluid field; Vibration
Funding
- National Natural Science Foundation of China [51405274, 51375273]
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In the present study, the fluid field of the impinging jet on the workpiece surface in ultrasonic abrasive waterjet polishing (UA-AWJP) was simulated. The influences of the workpiece vibration on the pressure and velocity field of the impinging jet fluid field at the stagnation zone and the side flow zone were investigated. The impinging force on the vibration workpiece surface was experimentally measured. The results illustrated that, in the case of workpiece vibration, the stagnation is weakened due to the shearing action at the boundary layer and the impinging velocity is lower. Meanwhile, the velocity magnitude with asymmetric distribution is higher. The force fluctuation in the case of workpiece vibration is obviously stronger, while the mean value of the force is lower than that of the non-vibration condition. The measured data was in reasonable agreement with the simulation results.
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