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The Effect of Geometry of Outlet Channel of Nozzle Box on Solid Particle Erosion

On the base of the original geometry of the outlet channel of nozzle box, four different geometry of the outlet channel were constructed. Using the Euler-Lagrange method, the flow characteristics of solid particles in the five different channels were numerical simulated. The particle trajectories and the erosion regions were discussed. The analysis showed that the different geometry of the outlet channel would effect the particle erosion in the channel and the stator of the control stage.