Localization and Ranking of Aircraft Noise Sources in Flight Tests and Comparison with Acoustic Measurements of a Large-Scale Wing Model-Reference-Cited by-同舟云学术

Localization and Ranking of Aircraft Noise Sources in Flight Tests and Comparison with Acoustic Measurements of a Large-Scale Wing Model

Published:2023-03-01 Issue:2 Volume:69 Page:165-176
ISSN:0320-7919
Container-title:Акустический журнал
language:
Short-container-title:Akustičeskij žurnal

Author:

Zaytsev M. Yu.¹,Kopiev V. F.¹,Velichko S. A.¹,Belyaev I. V.¹

Affiliation:

1. Moscow Research Complex Central Aerohydrodamic Institute (TsAGI), 105005, Moscow, Russia

Abstract

The noise of a modern regional aircraft was measured using the beamforming method during flight tests in the landing approach configuration with extended landing gear and deflected high-lift devices (slats and flaps). The localization and ranking of aircraft noise sources for full-scale Reynolds numbers has been carried out. Comparison of the flight test results with the results of acoustic measurements of airframe noise for a large-scale wing model obtained earlier at DNW-NWB showed good agreement between noise measurements of the large-scale model, scaled to full size, with the results for the airframe noise of an aircraft wing in flight tests.

Publisher

The Russian Academy of Sciences

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