Abstract:The paper is focused on the noise reduction of the low-pressure axial fan by the modification of the shroud leading edge shape. The CFD and CAA simulations of the fan are performed on commercial software PowerFLOW based on the Lattice Boltzmann method. The propagation of the acoustics waves to the far-field was carried out by the Ffowcs-Williams & Hawkings acoustics analogy. The far-field acoustic data from the simulation matches with the results from the ISO measurement in the semi-anechoic chamber. Direct ac… Show more
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