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BS EN ISO 11820:1997 Acoustics. Measurements on silencers in situ

Description Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail. Abstract This International Standard specifies measurements on silencers in situ. It is applicable to measurements on silencers in practical applications for acoustic analysis, acceptance tests and similar evaluations. Results obtained in accordance with this International Standard cannot be compared to performance data obtained from laboratory measurements on ducted silencers in accordance with ISO 7235, partly because of different test conditions (such as sound field distribution, flow, temperature and mounting conditions) and partly because of different definitions. Depending on the method used, the measurement is either of – insertion loss Dis, or – transmission loss Dts.

Contributor(s): ESAR - Author Primary Item Type: British Standard Identifiers: ICS 17.140.01 Acoustic measurements and noise abatement in general ISBN 0580284441 Language: English Subject Keywords: Sound intensity ; Field testing ; Ducting ; Noise (environmental) ; Noise control devices ; Temperature measurement ; Installation ; Acoustic measurement First presented to the public: 6/20/2025 Original Publication Date: 9/15/1997 Previously Published By: British Standards Institution Place Of Publication: London, United Kingdom Citation: Extents: Number of Pages - 18 License Grantor / Date Granted:   / ( View License ) Date Deposited 2022-06-03 10:27:25.549 Submitter: Engku Shahidil Engku Ab Rahman

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