NF EN ISO 17201-1
Acoustics - Noise from shooting ranges - Part 1 : determination of muzzle blast by measurement
ISO 17201-1:2005 specifies a method to determine the acoustic source energy of the muzzle blast for calibres of less than 20 mm or explosive charges of less than 50 g TNT equivalent. It is applicable at distances where peak pressures less than 1 kPa (equivalent to a peak sound pressure level of 154 dB) are observed. The source energy, directivity of the source and their spectral structure determined by this procedure can be used as input data to sound propagation programmes, enabling prediction of shooting noise in the neighbourhood of shooting ranges. Additionally, the data can be used to compare sound emission from different types of guns or different types of ammunition used with the same gun. ISO 17201-1:2005 is applicable to guns used in civil shooting ranges but it can also be applied to military guns. It is not applicable to the assessment of hearing damage or sound levels in the non-linear region.
ISO 17201-1:2005 specifies a method to determine the acoustic source energy of the muzzle blast for calibres of less than 20 mm or explosive charges of less than 50 g TNT equivalent. It is applicable at distances where peak pressures less than 1 kPa (equivalent to a peak sound pressure level of 154 dB) are observed. The source energy, directivity of the source and their spectral structure determined by this procedure can be used as input data to sound propagation programmes, enabling prediction of shooting noise in the neighbourhood of shooting ranges. Additionally, the data can be used to compare sound emission from different types of guns or different types of ammunition used with the same gun.
ISO 17201-1:2005 is applicable to guns used in civil shooting ranges but it can also be applied to military guns. It is not applicable to the assessment of hearing damage or sound levels in the non-linear region.
This document specifies a method to determine the acoustic source energy of the muzzle blast for calibres of less than 20 mm or explosive charges of less than 50 g TNT equivalent. It is applicable at distances where peak pressures less than 1 kPa (equivalent to a peak sound pressure level of 154 dB) are observed. The source energy, directivity of the source and their spectral structure determined by this procedure can be used as input data to sound propagation programmes, enabling the prediction of shooting noise in the neighbourhood of shooting ranges. Additionally, the data can be used to compare sound emission from different types of guns or different types of ammunition used with the same gun. This document is applicable to guns used in civil shooting ranges but it can also be applied to military guns. It is not applicable to the assessment of hearing damage or sound levels in the non-linear region. Suppressors and silencers are not taken into consideration in this document.
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions2
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4 Arme et munition5
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4.1 Généralités5
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4.2 Arme5
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4.3 Munition6
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4.4 Paramètre balistique7
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4.5 Contexte de l'essai7
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4.6 Autres fonctions et dispositifs8
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5 Concept de base pour le mesurage et l'analyse8
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5.1 Généralités8
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5.2 Grandeur à mesurer8
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5.3 Niveau de distribution angulaire de l'énergie acoustique émise par la source10
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5.4 Niveau de distribution interpolée angulaire de l'énergie acoustique émise par la source10
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5.5 Niveau d'énergie acoustique émise par la source11
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5.6 Directivité11
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6 Site de mesurage11
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6.1 Site11
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6.2 Conditions météorologiques12
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7 Planification des mesurages12
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7.1 Observations d'ordre général12
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7.2 Arme12
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7.3 Position de mesure13
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7.4 Appareillage de mesure13
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7.5 Traitement du bruit émis par un projectile13
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8 Étalonnage et validation14
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9 Méthodes de mesure14
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9.1 Généralités14
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9.2 Correction de la réflexion par le sol14
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10 Contrôle du mode d'aménagement du dispositif de mesure14
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11 Incertitude de mesure15
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11.1 Généralités15
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11.2 Méthode empirique16
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12 Rapport17
- Annexe A (informative) Glossaire des armes légères18
- Annexe B (informative) Exemple31
- Annexe C (informative) Directives pour l'incertitude de mesure39
- Bibliographie42
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