Hydraulic performance analysis of efficient centrifugal spray nozzle based on CFD
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Abstract:
In order to improve the uniformity of water distribution of efficient centrifugal spray nozzle, the Eulerian model, one of multiphase flow, and the RNG turbulence model were chosen in there-dimensional numerical simulation to investigate the hydraulic characteristics of efficient centrifugal spray nozzle. Comparison of numerical simulation results with experimental results verified the correctness of the model. The hydraulic characteristics of efficient centrifugal spray nozzle were comparatively analyzed under three head conditions and four speed conditions with this numerical simulation method. The results showed that it could achieve uniform water distribution in a wide head range and a wide speed range. The uniformity of water distribution of efficient centrifugal spray nozzle could be improved by raising the head and reducing the speed in a certain range. Accordingly, the recommended working speed range of the efficient centrifugal spray nozzle was 60 r/min~120 r/min.
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