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Analytic mode matching for a circular dissipative silencer containing mean flow and a perforated pipe
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10.1121/1.2793614
/content/asa/journal/jasa/122/6/10.1121/1.2793614
http://aip.metastore.ingenta.com/content/asa/journal/jasa/122/6/10.1121/1.2793614

Figures

Image of FIG. 1.
FIG. 1.

Geometry of silencer.

Image of FIG. 2.
FIG. 2.

Predicted transmission loss for Xu et al. (Ref. 10) silencer, for and : (—) Finite element method (Ref. 8); (– – –) Cummings and Chang’s method (Ref. 4); (–∙–) current method with .

Image of FIG. 3.
FIG. 3.

Predicted transmission loss for Xu et al. (Ref. 10) silencer: (+) Finite element method (Ref. 8), ; (—) current method, ; (– – –) Cummings and Chang’s method (Ref. 4), ; (–∙–) current method .

Image of FIG. 4.
FIG. 4.

Predicted transmission loss for Cummings and Chang’s (Ref. 4) silencer (with no internal flow): (+) Finite element method (Ref. 8), ; (—) current method, ; (– – –) Cummings and Chang’s method (Ref. 4), ; (–∙–) current method ; (◻) point collocation method (Ref. 9), .

Image of FIG. 5.
FIG. 5.

Predicted and measured transmission loss for silencer A, with : (—) Experiment; (– – –) prediction with ; (---) prediction with ; (–∙–) prediction with ; (◻) point collocation (Ref. 9); (–∙∙–) Cummings and Chang method (Ref. 4).

Image of FIG. 6.
FIG. 6.

Predicted and measured transmission loss for silencer B, with : (—) Experiment; (– – –) prediction with ; (---) prediction with ; (–∙–) prediction with .

Image of FIG. 7.
FIG. 7.

Predicted and measured transmission loss for silencer C, with : (—) Experiment; (– – –) prediction with ; (---) prediction with ; (–∙–) prediction with .

Image of FIG. 8.
FIG. 8.

Predicted and measured transmission loss for silencer A, with : (—) Experiment; (– – –) predictions using Kirby and Cummings’ perforate data (Ref. 12); (–∙–) predictions using Lee and Ih’s perforate data (Ref. 15); (---) prediction with no perforated screen.

Tables

Generic image for table
TABLE I.

Data for silencers.

Generic image for table
TABLE II.

Values of material constants.

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/content/asa/journal/jasa/122/6/10.1121/1.2793614
2007-12-01
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Analytic mode matching for a circular dissipative silencer containing mean flow and a perforated pipe
http://aip.metastore.ingenta.com/content/asa/journal/jasa/122/6/10.1121/1.2793614
10.1121/1.2793614
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