The attenuation of sound propagating through a radial diffuser with absorptive walls
An analytical model for acoustic propagation through an idealized radial diffuser under zero flow conditions has been developed. The model has been used to generate a computer program which is capable of predicting radial attenuation for a variety of diffuser wall impedance combinations. Numerical r...
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| Veröffentlicht in: | Journal of sound and vibration 1981-01, Vol.79 (1), p.1-9 |
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| container_end_page | 9 |
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| container_issue | 1 |
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| container_title | Journal of sound and vibration |
| container_volume | 79 |
| creator | Holger, D.K. |
| description | An analytical model for acoustic propagation through an idealized radial diffuser under zero flow conditions has been developed. The model has been used to generate a computer program which is capable of predicting radial attenuation for a variety of diffuser wall impedance combinations. Numerical results are presented for the following three cases: (i) one hard diffuser wall and one finite impedance wall, (ii) equal finite impedance diffuser walls, and (iii) unequal finite impedance diffuser walls. The results for cases (i) and (ii) are found to be in good agreement with analytical results from the literature. |
| doi_str_mv | 10.1016/0022-460X(81)90325-4 |
| format | Article |
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The model has been used to generate a computer program which is capable of predicting radial attenuation for a variety of diffuser wall impedance combinations. Numerical results are presented for the following three cases: (i) one hard diffuser wall and one finite impedance wall, (ii) equal finite impedance diffuser walls, and (iii) unequal finite impedance diffuser walls. The results for cases (i) and (ii) are found to be in good agreement with analytical results from the literature.</description><identifier>ISSN: 0022-460X</identifier><identifier>EISSN: 1095-8568</identifier><identifier>DOI: 10.1016/0022-460X(81)90325-4</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Absorption ; Acoustic propagation ; Attenuation ; Computer programs ; Numerical analysis ; Radial diffuser ; Walls</subject><ispartof>Journal of sound and vibration, 1981-01, Vol.79 (1), p.1-9</ispartof><rights>1981</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c378t-474e05f885f3f222dcd4c211bc0106c38326ea2bdc094b4a2b0bf9ae3fee73b43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/0022460X81903254$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Holger, D.K.</creatorcontrib><title>The attenuation of sound propagating through a radial diffuser with absorptive walls</title><title>Journal of sound and vibration</title><description>An analytical model for acoustic propagation through an idealized radial diffuser under zero flow conditions has been developed. 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| ispartof | Journal of sound and vibration, 1981-01, Vol.79 (1), p.1-9 |
| issn | 0022-460X 1095-8568 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_745948062 |
| source | Elsevier ScienceDirect Journals |
| subjects | Absorption Acoustic propagation Attenuation Computer programs Numerical analysis Radial diffuser Walls |
| title | The attenuation of sound propagating through a radial diffuser with absorptive walls |
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