Variations in atmospheric humidity, temperature, and barometric pressure substantially affect almost all engine mass and volume exhaust emissions. Emission measurements were conducted on seven engines in accordance with the Gasoline Fueled Heavy-Duty Engine procedures in the 1970 Federa Register. Equations with satisfactory correlation were derived to adjust NO mass and volume emissions taken at test conditions to a standard condition of 75 grains of moisture. Less satisfactory equations were derived to similarly correct HC emissions for moisture effects and to correct CO emissions to standard conditions of 90 F and 29.92 in. Hg. Unfortunately, no other equations could be derived to describe the behavior of all seven engines because engine-to-engine variation was too great. Emissions from different engines are affected differently at various atmospheric conditions. Therefore, accurate emission testing on some engines can only be accomplished by controlling inlet air temperature and by testing on days of similar barometric pressure.Variations in atmospheric humidity, temperature, and barometric pressure substantially affect almost all engine mass and volume exhaust emissions. Emission measurements were conducted on seven engines in accordance with the Gasoline Fueled Heavy-Duty Engine procedures in the 1970 Federa Register. Equations with satisfactory correlation were derived to adjust NO mass and volume emissions taken at test conditions to a standard condition of 75 grains of moisture. Less satisfactory equations were derived to similarly correct HC emissions for moisture effects and to correct CO emissions to standard conditions of 90 F and 29.92 in. Hg. Unfortunately, no other equations could be derived to describe the behavior of all seven engines because engine-to-engine variation was too great. Emissions from different engines are affected differently at various atmospheric conditions. Therefore, accurate emission testing on some engines can only be accomplished by controlling inlet air temperature and by testing on days of similar barometric pressure.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Effect of Engine Intake-Air Humidity, Temperature, and Pressure on Exhaust Emissions


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Krause, S. R. (Autor:in)

    Kongress:

    National Truck, Powerplant, Fuels and Lubricants Meeting ; 1971



    Erscheinungsdatum :

    1971-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Effect of Engine Intake-Air Moisture on Exhaust Emissions

    Marsee, F. J. / Kerley, R. V. / Gendernalik, S. A. et al. | SAE Technical Papers | 1970


    Effect of Inlet Air Humidity and Temperature on Diesel Exhaust Emissions

    Merrion, D. F. / Green, G. L. / Krause, S. R. | SAE Technical Papers | 1973


    The impact of intake valve deposits on exhaust emissions

    Houser,K.R. / Crosby,T.A. / Chevron,Oronite Technol.Group,US | Kraftfahrwesen | 1992


    Piston engine intake and exhaust system design

    Davies, P.O.A.L. | Online Contents | 1996


    Effect of Temperature on Exhaust Emissions

    Grinberg, L. / Morgan, L. | SAE Technical Papers | 1974