Abstract
Simulation on velocity field of gas-liquid flow in the abrasive water jet nozzle was studied by the computed fluid dynamics (CFD) software, The complex velocity field of the flow in the abrasive water jet nozzle can be obtained by means of simulation. The study on the effect of the nozzle inner cone angle on the velocity field shows that the cone angle affects the whirlpool’s intension and position of the whirlpool in the nozzle of abrasive water jet (AWJ), and it also affects velocity ‘s magnitude and distribution of the velocity on the cone surface.
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