RADIATION EFFICIENCY OF A PERFORATED PANEL MODELLED USING ELEMENTARY SOURCE TECHNIQUE

• Main Authors: Putra, Azma, Muhammad, Noryani, Shyafina, Nurain, Thompson, David J.
• Format: Article
• Language: English
• Published: International Institute of Acoustics and Vibration 2013
• Subjects: TJ Mechanical engineering and machinery
• Online Access: http://eprints.utem.edu.my/id/eprint/8881/1/ICSV20_PerforatedPanel_Putra.pdf; http://eprints.utem.edu.my/id/eprint/8881/; http://www.icsv20.org/

A perforate is often used in practical engineering noise control to reduce sound radiation from a vibrating structure. This paper presents a prediction model to quantify this effect using elementary sources which can take account of the hole size and distribution across the plate surface. The mod...