Publication Date:
2019-06-27
Description:
Impulsive noise reduction is provided in a rotor blade by acoustically sweeping the chord line from root to tip so that the acoustic radiation resulting from the summation of potential singularities used to model the flow about the blade tend to cancel for all times at an observation point in the acoustic far field.
Keywords:
AIRCRAFT DESIGN, TESTING AND PERFORMANCE
Format:
application/pdf
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