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It is difficult to predict the sound radiation from large flat factory roofs. This is because sound insulation is measured as the average over all angles of sound incidence. With large flat factory roofs one needs to know the sound transmission at grazing angles with directional sound fields. The research in this thesis examined what will be the best method for effectively modelling sound radiation from factory roofs. This research presents a simple analytic strip theory. Simple analytic strip theory has lead to the conclusion that it is mainly the length of the panel in the direction of…mehr

Produktbeschreibung
It is difficult to predict the sound radiation from
large flat factory roofs. This is because sound
insulation is measured as the average over all angles
of sound incidence. With large flat factory roofs one
needs to know the sound transmission at grazing
angles with directional sound fields. The research in
this thesis examined what will be the best method for
effectively modelling sound radiation from factory roofs.
This research presents a simple analytic strip
theory. Simple analytic strip theory has lead to the
conclusion that it is mainly the length of the panel
in the direction of radiation, rather than its width
that is important in determining its radiation
efficiency.
The findings of the this research also indicated that
apart from the effect due to coincidence, a panel was
non-directional compared to an opening.
Autorenporträt
Vladimir Pavasovic is a Senior Acoustic Consultant. He obtained
his Masters Degree in Applied Science (Acoustics) at RMIT
University, Melbourne. He is presently a member of the Australian
Acoustical Society. His research interests are primarily in the
areas of environmental, industrial, noise and vibration, and
architectural acoustics.