Communication Dans Un Congrès Année : 2020

Approach for a new laboratory method to determine noise from waste water installations

Johanna Weinzierl
  • Fonction : Auteur
Fabian Schoepfer
  • Fonction : Auteur
Ulrich Schanda
  • Fonction : Auteur

Résumé

EN 14366:2004 describes the laboratory measurement procedure to determine noise from waste water installations. This standard procedure requires a test-rig comprising two rooms: a source room to determine the airborne sound and a receiving room to indirectly determine the structure-borne sound by measuring the sound pressure. This paper proposes a new method to determine the airborne and the structure-borne sound directly on a power basis without the need for any room. The waste-water installation is attached to a vertical reception plate according to EN 15657:2016. The structure-borne bound sound power can be determined straight-forward using the reception plate method or the power substitution method. This quantity can directly be used as input data for the prediction model described in EN 12354-5. The airborne component is measured using sound intensity based on the procedures described in ISO 9614. This quantity is therefore also measured directly on a power basis that can be used as input data for prediction. The paper presents preliminary results from a case study on the application of the proposed method. The link to the method described in EN 14366:2004 is presented and discussed.

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Dates et versions

hal-03231770 , version 1 (25-05-2021)

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Johanna Weinzierl, Fabian Schoepfer, Andreas Mayr, Ulrich Schanda. Approach for a new laboratory method to determine noise from waste water installations. e-Forum Acusticum 2020, Dec 2020, Lyon, France. pp.597-604, ⟨10.48465/fa.2020.0908⟩. ⟨hal-03231770⟩

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