Normal incidence of sound transmission loss of a double-leaf partition inserted with a micro-perforated panel

• Main Authors: Putra, Azma, Ismail, Ahmad Yusuf, ramlan, roszaidi, Ayob, Md Razali, Sajidin, Muhammad
• Format: Article
• Language: English
• Published: Hindawi 2013
• Subjects: TJ Mechanical engineering and machinery
• Online Access: http://eprints.utem.edu.my/id/eprint/10265/1/Normal_incidences_AAV2013.pdf; http://eprints.utem.edu.my/id/eprint/10265/; http://www.hindawi.com/journals/aav/
• Institution: Universiti Teknikal Malaysia Melaka

A double-leaf partition in engineering structures has been widely applied for its advantages i.e. in terms of its mechanical strength as well as its lightweight property. In noise control, the double-leaf also serves to be an effective noise barrier. Unfortunately at low frequency, the sound transmi...