| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 862944 | Procedia Engineering | 2011 | 7 Pages |
Abstract
The mechanism of the effect of speed variance in impeller inlet on aerodynamic noise is analyzed in this paper. The fine structure of speed flow field in the blade channel is shown by the means of numeric simulation. The blade profile is improved by simulation results. According to theory of optimum design towards impeller inlet and blade profile, a centrifugal fan for the boiler is designed. The test results of the model are presented.
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