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Mass Correlation of Engine Emissions With Spectral Instruments
Published May 19, 2004 by Society of Automotive Engineers of Japan in Japan
Event: 2004 JSAE Annual Congress
This paper presents results from a study comparing three spectral aerosol instruments (DMS500, SMPS, DMM230), which were used to make dilute diesel emission measurements from a light-duty DI engine capable of running legislated drive cycles. Transient spectral data is presented and also used to estimate particulate mass emissions. These results are compared to filter paper measurements. The correlation for untreated dilute measurements is compared to that for an aerosol sample with a catalyst stripper applied. Transient mass emissions are presented for the instruments capable of real- time measurements.