A note on the radiation efficiency of acoustic duct modes

• 31 May 1969
• journal article
• Published by Elsevier in Journal of Sound and Vibration
• Vol. 9  (3) , 367-372
• https://doi.org/10.1016/0022-460x(69)90176-x

Abstract

Keywords

• NOTE
• BAFFLED
• GRAPHS
• CUT
• ANNULAR
• DUCT
• FREQUENCY
• RADIATION EFFICIENCY
• EFFICIENCY OF ACOUSTIC