Abstract
At present, the research on the simulation of abrasive water jet machining is only the simulation of an erosion process. These simulations take the input pressure as the initial value directly without taking the influence of the nozzle on the jet and the energy loss when passing through the nozzle into consideration. In this work, the whole process of abrasive water jet machining is considered and the simulation of the flow field inside the nozzle and the erosion process are linked. Firstly, the influence of the structure of the nozzle to jet is studied, and the simulation model is established. The reliability of the model is verified by experiments. Then, the velocity of the jet at the nozzle exit is obtained by the simulation model, and the velocity is taken as the initial velocity of the abrasive water jet erosion simulation, which greatly improves the accuracy of the simulation. In addition, in order to improve the oversimplification in the simulation of abrasive water jet erosion process, two simulation methods are studied in this work, and the accuracy of the simulation is further improved.
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23 December 2019
Author Meiping Wu wmp169@jiangnan.edu.cn should also be declared as the corresponding author of the article.
23 December 2019
Author Meiping Wu wmp169@jiangnan.edu.cn should also be declared as the corresponding author of the article.
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This work is supported by The National Natural Science Foundation of China (51575237) and The joint fund of Ministry of education of China (6141A0221).
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Miao, X., Wu, M., Qiang, Z. et al. Study on optimization of a simulation method for abrasive water jet machining. Int J Adv Manuf Technol 93, 587–593 (2017). https://doi.org/10.1007/s00170-017-0502-z
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DOI: https://doi.org/10.1007/s00170-017-0502-z