Identificación de la transmisión aérea del ruido en autocares

  1. J. Berasategui 1
  2. U. Galfarsoro 1
  3. M. J. Elejabarrieta 1
  1. 1 Universidad de Mondragón/Mondragon Unibertsitatea
    info

    Universidad de Mondragón/Mondragon Unibertsitatea

    Mondragón, España

    ROR https://ror.org/00wvqgd19

Book:
Tecniacústica 2008: conferencias y comunicaciones de Acústica 2008. V Congreso Ibérico de Acústica y Tecniacustica 2008; 39.º Congreso Español de Acústica. Coímbra, Portugal. octubre, 2008

Publisher: Sociedad Española de Acústica

Year of publication: 2008

Congress: Congreso Español de Acústica (39. 2008. Coimbra)

Type: Conference paper

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Abstract

To improve the vibroacoustic comfort of a coach it is necessary to know qualitatively and quantitatively the noise and vibration sources, as well as their transmission paths. With this purpose a procedure has been defined and applied for vibroacoustic characterization of a coach in different operating modes: idle, constant speed, acceleration and deceleration. Once the mains noise sources of the coach (engine, transmission group, tread and aerodynamics) has been identified, the airborne contribution to interior noise of the engine and transmission group has been evaluated. From these tests, it has been determined that the noise and vibrations perceived by the passenger below 500 Hz are exclusively due to structural transmission.

Data source: Dialnet