Abstract
To design the flow field of inner-spraying ball-end cathode in NC-ECM, the numerical model was bulit according to the physical model of the cathode flow channal, and the computational fluid dynamics (CFD) method was applied to slove the numerical model. The velocity and pressure distributations were obtained. The influences of the cathode internal structure and the outlet shape on the velocity of electrolyte were analyzed on the basis of the numerical simulation. The relatively good simulation results were obtained by means of the optimization design of the cathode. Based on the experiment results, the accuracy of simulation was verified, and the correction number of the design of the flow field was reduced in NC-ECM. It is indicated that the computational fluid dynamics (CFD) method can be applied to simulate the flow field, and the optimization design of the cathode can be guided according to the results of simulation.
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