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Light-Duty Diesel Emission Correction Factors for Ambient Conditions
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English
Abstract
To determine the effects of ambient conditions on emissions from light-duty diesels, 174 emission tests were conducted on four vehicles. The major program objective was estimation of a factor to correct NOx emissions to a standard humidity. Other emissions and ambient conditions were also examined for relationships by regression analysis.
Humidity effects on NOx emissions were found to be substantial and quite predictable. Relationships observed between other emissions and ambient conditions were relatively weak and unpredictable. Several types of NOx-humidity correction factors were estimated and compared to those already used for other vehicle and engine classes.
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Citation
Hare, C. and Bradow, R., "Light-Duty Diesel Emission Correction Factors for Ambient Conditions," SAE Technical Paper 770717, 1977, https://doi.org/10.4271/770717.Also In
References
- Federal Register 38 151 August 7 1973
- Hare C. T. “Light-Duty Diesel Emission Correction Factors for Ambient Conditions.” Final Report to the Environmental Protection Agency under Contract No. 68-02-1777 April 1977
- Shelton E. M. “Diesel Fuel Oils, 1976.” U.S. Energy Research and Development Administration, Technical Information Center November 1976
- Wexler A. Brombacher W. G. “Methods of Measuring Humidity and Testing Hygrometers.” National Bureau of Standards Circular 512 September 28 1951
- Manos M. J. Bozek J. W. Huls T. A. “Effect of Laboratory Ambient Conditions on Exhaust Emissions.” Paper 720124 SAE Automotive Engineering Congress Detroit January 10-14 1972
- Krause S. R. Merrion D. F. Green G. L. “Effect of Inlet Air Humidity and Temperature on Diesel Exhaust Emissions.” Paper 730213 SAE International Automotive Engineering Congress Detroit January 8-12 1973
- Federal Register 37 221 November 15 1972
- Federal Register 37 221 November 15 1972
- Federal Register 38 124 June 28 1973