Behavior of the correction factor for aircraft noise façade measurements

Asensio Rivera, César and Flores Castillo, Rodrigo Ernesto and Gagliardi, Paolo and Licitra, Gaetano (2019). Behavior of the correction factor for aircraft noise façade measurements. In: "Inter Noise 2019. Noise control for a better environment.", 16 al 19 de junio de 2019, Madrid, España. pp. 1-9.

Description

Title: Behavior of the correction factor for aircraft noise façade measurements
Author/s:
  • Asensio Rivera, César
  • Flores Castillo, Rodrigo Ernesto
  • Gagliardi, Paolo
  • Licitra, Gaetano
Item Type: Presentation at Congress or Conference (Article)
Event Title: Inter Noise 2019. Noise control for a better environment.
Event Dates: 16 al 19 de junio de 2019
Event Location: Madrid, España
Title of Book: Proceedings of Internoise 2019
Date: June 2019
Subjects:
Freetext Keywords: Aircraft Noise; Façade; Source-receiver geometry
Faculty: E.T.S.I. y Sistemas de Telecomunicación (UPM)
Department: Teoría de la Señal y Comunicaciones
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

ISO 1996-2 standard has an appendix called Annex B which specifies the reference position of the microphone to undertake the measurement; and a simplified correction factor to use in case that the measurement must be located near a reflecting surface (3dB). Aircraft noise behaves as an extended noise source and its source-receiver geometry differs to that of other extended sources as it has an altitude. The altitude and the slant distance form a slant angle which modifies noise incidence on façade. Measurements in the reference and façade positions were performed in places with exposure to aircraft noise. Different slant angles were obtained with all aircraft noise events measured. The correction factor near a reflecting surface (3 dB) was tested through a model. With this model a relationship among the noise level in the reference position; the level in the façade position; the slant angle and the flight type was calculated. The model was tested for different scenarios and it was determined that the slant angle along with the flight type are variables that modify the ISO 1996-2’s Annex B correction factor significantly.

More information

Item ID: 65059
DC Identifier: http://oa.upm.es/65059/
OAI Identifier: oai:oa.upm.es:65059
Official URL: http://www.sea-acustica.es/fileadmin/INTERNOISE_2019/Enter.htm
Deposited by: Memoria Investigacion
Deposited on: 21 Jan 2021 12:13
Last Modified: 21 Jan 2021 12:18
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