Active system generating destructive acoustic interference for an aircraft engine with multiple fan spools
作者： Jodet Norman Bruno Andre , Baudoin Laurent Louis Robert , Roux Jean Michel
DOI:
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摘要: An aircraft propulsion unit including two distinct fan spools, and a first duct second extending downstream of the control ring disposed on one ducts, with at least annular internal wall in an interior space duct, being configured to modify shape wall, cause air passage cross section vary ring, device for acquiring acoustic signals generated by waves propagating processing signals, measure dephasing between depending dephasing.
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