NF EN ISO 14509-1
Small craft - Airborne sound emitted by powered recreational craft - Part 1 : pass-by measurement procedures
ISO 14509-1:2008 specifies the conditions for obtaining reproducible and comparable measurement results of the maximum sound pressure level of airborne sound generated during the passage of powered recreational craft of up to 24 m length of hull, including inboards, stern drives, personal watercraft (PWC) and outboard motors. It also specifies standard craft based type tests for stern drives with integral exhaust systems and for outboard motors. It also specifies the procedure to be followed if, in addition to the maximum sound pressure level, the determination of the sound exposure level is desired.The accuracy grade of the acoustical test procedures specified in ISO 14509-1:2008 is engineering grade (grade 2).
ISO 14509-1:2008 specifies the conditions for obtaining reproducible and comparable measurement results of the maximum sound pressure level of airborne sound generated during the passage of powered recreational craft of up to 24 m length of hull, including inboards, stern drives, personal watercraft (PWC) and outboard motors.
It also specifies standard craft based type tests for stern drives with integral exhaust systems and for outboard motors. It also specifies the procedure to be followed if, in addition to the maximum sound pressure level, the determination of the sound exposure level is desired.
The accuracy grade of the acoustical test procedures specified in ISO 14509-1:2008 is engineering grade (grade 2).
ISO 14509-1:2008 specifies the conditions for obtaining reproducible and comparable measurement results of the maximum sound pressure level of airborne sound generated during the passage of powered recreational craft of up to 24 m length of hull, including inboards, stern drives, personal watercraft (PWC) and outboard motors. It also specifies standard craft based type tests for stern drives with integral exhaust systems and for outboard motors. It also specifies the procedure to be followed if, in addition to the maximum sound pressure level, the determination of the sound exposure level is desired. The accuracy grade of the acoustical test procedures specified in ISO 14509-1:2008 is engineering grade (grade 2).
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1 Domaine d'application
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2 Références normatives
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3 Termes et définitions
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4 Symboles
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5 Grandeur à mesurer
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6 Incertitude de mesure
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7 Équipement de mesure
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8 Spécifications relatives au site d'essai et conditions d'environnement
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9 Parcours d'essai, positions du microphone et distance de mesure
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10 Conditions de fonctionnement
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11 Mode opératoire d'essai
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12 Rapport d'essai
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13 Spécifications relatives aux bateaux types pour essais de moteur hors-bord selon l'Article10
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14 Spécifications relatives aux bateaux types pour essai de moteur à embase de propulsion arrière avec système d'échappement intégré selon l'Article10
- Annexe A Mesurage du niveau d'exposition acoustique
- Annexe B Exemple de formulaire de rapport d'essai
- Bibliographie
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