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Optimizatiom of curved diffuser with inner cylindrical wall
Sládek, A. ; Hyhlík, T. ; Příhoda, Jaromír
The aim of the paper is optimization of curved diffusers with rectangular cross-section. The optimization is based on numerical solution of Navier-Stokes equations with standard k-eps turbulence model using FLUENT 6.0 software. The inner wall is cylindrical and the outer wall is described by the Bezier spline curve with two parameters. Energy losses coefficient is very dependent on the radius of the inner wall. The minimum of energy losses was achieved for the ratio Ri/d= 2,25.

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