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- W2371908689 abstract "With five-blade small axial flow fan as prototype,this paper designs models of three splitter blades with different circumferential positions,uses RNGk-eturbulence model for steady numerical simulation,conducts comparative analysis on static characteristics,static pressure distribution on the surface of blade and vorticity distribution of these models,selects the model with optimal statistic characteristics as the optimal model,conducts nonsteady calculation for it and studies its aerodynamic noise performance. The result shows that static pressure coefficient and efficiency can be improved by increasing splitter blades in small axial flow fan appropriately;in three models with splitter blade,static pressure distribution on the surface of blade is uniform;splitter blade can restrain the vortex on the trailing edge of prototype blade from falling off;the optimal position of splitter blade is in the middle of flow channel.A weighting sound pressure level at the monitoring point 100 mm ahead of this optimal model is lower than the prototype model in each frequency range.The peak value of power spectral density occurs in fundamental frequency and the peak value of the optimal model is lower than that of the prototype.The research result can provide basis for structure optimization and noise reduction of small axial flow fan." @default.
- W2371908689 created "2016-06-24" @default.
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- W2371908689 date "2014-01-01" @default.
- W2371908689 modified "2023-09-24" @default.
- W2371908689 title "Research on Influence of Circumferential Position of Splitter Blade on Performance of Small Axial Flow Fan" @default.
- W2371908689 hasPublicationYear "2014" @default.
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