Acoustic attenuation performance of double expansion chamber silencers with interconnecting tube

Z. Ji

Abstract


A three-dimensional substructure boundary element technique was employed to predict the acoustic attenuation performance of double expansion chamber silencer with inter-connecting tube. The effect of the lengths of inter-connecting tube and expansion chambers, as well as the extensions of inlet and outlet tubes was studied. Overall, significant results were obtained.

Keywords


Acoustic properties; Attenuation; Boundary conditions; Boundary element method; Intake silencers; Matrix algebra; Performance; Three dimensional; Tubes (components); Acoustic attenuation; Double expansion chamber silencers; Impedance matrix

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