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- W2392231331 abstract "There are many factors influencing the aerodynamic performance of small axial fan,among which tip clearance is a key factor.This paper conducts steady computation with RNG k-e turbulence model and SIMPLE algorithm in CFD software and obtains static characteristic;conducts non-steady computation with large eddy simulation(LES) and FW-H acoustic model and obtains the influence of tip clearance on fan noise and analyzes vortex shedding phenomenon.The result shows that,though four tip clearances have a similar variation trend of static characteristic,fan model with 1.0 mm tip clearance has a good static characteristic;at z=0,fan model with 0.75 mm and 1.0 mm tip clearances have an obvious vortex shedding phenomenon;at tip clearance,in the radial direction,vortex shedding of small tip clearance is earlier than that of large tip clearance;the peak value of discrete noise occurs at fundamental frequency and harmonic frequency.At high frequency,the sound pressure reduces rapidly." @default.
- W2392231331 created "2016-06-24" @default.
- W2392231331 creator A5081756677 @default.
- W2392231331 date "2013-01-01" @default.
- W2392231331 modified "2023-09-27" @default.
- W2392231331 title "Research on Influence of Tip Clearance on Aerodynamic Performance of Small Axial Fan" @default.
- W2392231331 hasPublicationYear "2013" @default.
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