Study of sound absorption using acoustic impedance tube

• Main Author: Tan, Ting Yew
• Other Authors: Huang Xiaoyang
• Format: Final Year Project
• Language: English
• Published: 2019
• Subjects: DRNTU::Engineering::Mechanical engineering
• Online Access: http://hdl.handle.net/10356/77639
• Institution: Nanyang Technological University

This report presents the process of using micro-perforated plates and the impedance tube to study sound absorption coefficient. The theory behind the formulas to analyse sound absorption coefficient has been explained. The factors affecting it include perforation ratio, thickness, materials and a...