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PASSIVE CONTROL OF SHOCK WAVE APPLIED TO HELICOPTER ROTOR HIGH-SPEED IMPULSIVE NOISE REDUCTION

A strong, normal shock wave, terminating a local supersonic area on an airfoil (or a helicopter blade), not only limits the aerodynamic performance, but also becomes a source of High-Speed Impulsive (HSI) noise. The application of a passive control system (a cavity covered by a perforated plate) on...

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Detalhes bibliográficos
Main Authors: PIOTR DOERFFER, OSKAR SZULC
Formato: Artigo
Idioma:Inglês
Publicado em: Gdańsk University of Technology 2010-07-01
Colecção:TASK Quarterly
Assuntos:
Acesso em linha:https://journal.mostwiedzy.pl/TASKQuarterly/article/view/1999
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