A mass spectrometer has been used to study the nitrogen oxides emissions from a diesel engine equipped with two different turbochargers. Methods of accounting for interference effects from other gases in the exhaust have been described. Results compare well with those obtained by a chemiluminescent analyzer in the trend of nitric oxide emission as a function of engine speed, with the emission level reaching a maximum at where the maximum torque occurs. Discrepancy is found in the absolute levels of nitric oxide between the results of the two instruments but overall agreement is reasonable.
Mass Spectrometric Determination of Nitrogen Oxides in Turbocharged Diesel Engine Exhaust
Sae Technical Papers
SAE International Congress and Exposition ; 1983
01.02.1983
Aufsatz (Konferenz)
Englisch
Mass spectrometric determination of nitrogen oxides in turbocharged Diesel engine exhaust
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