NF ISO 8178-2
Reciprocating internal combustion engines - Exhaust emission measurement - Part 2 : measurement of gaseous and particulate exhaust emissions under field conditions
ISO 8178-2:2008, together with ISO 8178-1 and ISO 8178-11, specifies the measurement and evaluation methods for gaseous and particulate exhaust emission from reciprocating internal combustion engines (RIC engines) under steady-state and transient conditions for field testing. ISO 8178-2:2008 is applied when RIC engines used in off-road vehicles, marine installations, generating sets, diesel rail traction or similar applications must be measured under field conditions or at site in order to determine the in-use compliance or when it is not possible to take the measurements under test-bed conditions or to use the test-bed measurement results.
ISO 8178-2:2008, together with ISO 8178-1 and ISO 8178-11, specifies the measurement and evaluation methods for gaseous and particulate exhaust emission from reciprocating internal combustion engines (RIC engines) under steady-state and transient conditions for field testing.
ISO 8178-2:2008 is applied when RIC engines used in off-road vehicles, marine installations, generating sets, diesel rail traction or similar applications must be measured under field conditions or at site in order to determine the in-use compliance or when it is not possible to take the measurements under test-bed conditions or to use the test-bed measurement results.
<p>This document specifies the measurement and evaluation methods for gaseous and particulate exhaust emissions from reciprocating internal combustion engines (RIC engines) in the field.</p> <p>This document is applicable when the emissions from RIC engines used in non-road machinery, industrial equipment, marine installations, generating sets, diesel rail traction or similar machinery applications need to be measured in the field. Clause 4 applies for the conduct of discrete-mode steady-state gaseous or particulate emission measurements at a single operating point or conduct a weighted cycle-based test in the field. Clause 5 applies where it is necessary to assess gaseous emissions performance of engines during typical in-service operation under field conditions using portable emission measurement systems (PEMS).</p>
- Avant-proposiv
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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 Symboles et abréviations4
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4.1 Symboles4
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4.2 Composés chimiques mesurés5
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4.3 Abréviations5
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5 Conditions d'essai6
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5.1 Exigences générales6
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5.2 Conditions d'essai des moteurs7
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5.3 Puissance8
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5.4 Système d'admission d'air du moteur8
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5.5 Système d'échappement du moteur8
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5.6 Système de refroidissement8
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5.7 Huile de lubrification8
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5.8 Installation des sondes et de l'équipement d'échantillonnage8
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6 Carburants d'essai9
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7 Équipement de mesure et données à mesurer9
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7.1 Généralités9
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7.2 Couple et vitesse10
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7.3 Débit des gaz d'échappement11
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7.4 Exactitude des données à mesurer11
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7.5 Détermination des composants gazeux13
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7.6 Détermination des particules13
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8 Étalonnage des instruments analytiques13
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9 Étalonnage du système d'échantillonnage des particules13
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10 Conditions de fonctionnement14
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10.1 Cycles d'essai14
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10.2 Préparation du moteur14
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11 Mode opératoire d'essai14
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11.1 Préparation des filtres d'échantillonnage (si nécessaire)14
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11.2 Installation de l'équipement de mesure15
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11.3 Démarrage du système de dilution et du moteur15
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11.4 Réglage du rapport de dilution15
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11.5 Détermination des points d'essai (essai en régime permanent uniquement)15
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11.6 Contrôle des analyseurs15
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11.7 Séquence d'essai15
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11.8 Nouveau contrôle des analyseurs17
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11.9 Rapport d'essai17
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12 Évaluation et calcul des émissions gazeuses18
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12.1 Lignes directrices générales18
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12.2 Exigences spécifiques relatives à l'essai de conformité à l'usage des véhicules non routiers18
- Bibliographie19
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