A method of measuring acoustic absorption coefficient of a material specimen using a dynamic microphone

• Main Authors: Xie, Jin., Ling, Shih Fu.
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Article
• Language: English
• Published: 2013
• Subjects: DRNTU::Engineering::Mechanical engineering
• Online Access: https://hdl.handle.net/10356/85650; http://hdl.handle.net/10220/18094
• Institution: Nanyang Technological University

This paper reports the development of a method for measuring the absorption coefficient of a material specimen mounted at one end of a planar wave tube using a dynamic microphone at the other end. In the proposed method, the dynamic microphone mounted is used as an actuator (loudspeaker) to generate...