Abstract::The chordwise swept blades is an effective way to improve the aerodynamic performance of large axial fans. For a single-stage variable-pitch axial fan of type OB-84 with rear guide vanes, the aerodynamic performance and internal dynamics of the fan before and after blade sweeping are simulated with Ansys software, the static structure features are investigated, and the noise is predicted, as well as the influence of the sweep angle at different blade angles is examined. Simulated results show that under the d… Show more
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