NF ISO 13347-1
Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 1 : general overview
ISO 13347:2004 deals with the determination of the acoustic performance of industrial fans. In addition, it may be used to determine the acoustic performance of fans combined with an ancillary device such as a roof cowl or damper or, where the fan is fitted with a silencer, the sound power resulting from the fan and silencer combination.
ISO 13347:2004 deals with the determination of the acoustic performance of industrial fans. In addition, it may be used to determine the acoustic performance of fans combined with an ancillary device such as a roof cowl or damper or, where the fan is fitted with a silencer, the sound power resulting from the fan and silencer combination.
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes, définitions, symboles et unités2
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4 Restrictions d'utilisation6
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5 Incertitude de mesure7
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6 Appareillage de mesure9
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7 Méthodes d'essai10
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8 Conditions d'installation du ventilateur11
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9 Conditions de fonctionnement du ventilateur13
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10 Informations à consigner14
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11 Calculs et évaluations17
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12 Rapport d'essai18
- Annexe A (normative) Effet des changements de régime de rotation20
- Annexe B (informative) Variation des conditions du gaz ou de l'air21
- Annexe C (normative) Correction d'extrémité du conduit22
- Annexe D (informative) Terminaison anéchoïque simplifiée26
- Annexe E (normative) Analyse des incertitudes27
- Annexe F (normative) Étalonnage de la source sonore de référence33
- Annexe G (informative) Mesurages pondérés par filtre35
- Bibliographie36
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