Après enquête auprès de 39 laboratoires européens, nous avons obtenu des données concernant 1 156 véhicules et 29 825 mesures (1 mesure correspond à un véhicule, un cycle et un polluant). Les données ont été obtenues lors de mesures effectuées durant des cycles normalisés et des cycles représentatifs. Nous avons analysé ces données afin de modéliser la surémission des voitures particulières lors d'un départ à froid (définie comme la différence entre l'émission à froid et l'émission à chaud, pour un même cycle) pour 4 polluants réglementés (CO, CO2, HC, NOx),la consommation de carburant et de 121 polluants non réglementés en fonction de divers paramètres: technologie et norme d'émission, vitesse moyenne, température ambiante et distance parcourue.
After a survey among 39 European laboratories, data were obtained concerning 1 556 vehicles and 29 825 measurements (1 measurement corresponds to 1 vehicle, 1 cycle and 1 pollutant). Data were measured during standardised and representative cycles. The data received were analysed in order to model cold-start-related excess emissions (defined as the difference between cold and hot emissions, for a same cycle) for 4 regulated pollutants (CO, CO2, HC, NOx), fuel consumption and 121 non regulated pollutants as a function of various parameters: technology or emission standard, average speed, ambient temperature and travelled distance.
MODELLING OF COLD START EMISSIONS FOR PASSENGER CARS
PRATI Maria Vittoria
2004
Abstract
After a survey among 39 European laboratories, data were obtained concerning 1 556 vehicles and 29 825 measurements (1 measurement corresponds to 1 vehicle, 1 cycle and 1 pollutant). Data were measured during standardised and representative cycles. The data received were analysed in order to model cold-start-related excess emissions (defined as the difference between cold and hot emissions, for a same cycle) for 4 regulated pollutants (CO, CO2, HC, NOx), fuel consumption and 121 non regulated pollutants as a function of various parameters: technology or emission standard, average speed, ambient temperature and travelled distance.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.