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Smoke and Odor Control for Diesel-Powered Trucks and Buses
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Sector:
Event:
Mid-Year Meeting
Language:
English
Abstract
A program of research on diesel smoke and odor was sponsored by the U.S. Public Health Service by contract with Southwest Research Institute. A test facility was developed in which full-scale trucks and buses were operated on a chassis dynamometer through operating modes that yielded maximum exhaust smoke and odor. A system of exhaust dilution was employed to provide realistic odor concentrations to a panel of judges who rated the intensity and quality of the exhaust in terms of a set of chemical standards. Smoke levels were measured with a PHS-designed full-flow optical smokemeter. After an initial baseline evaluation of groups of buses and trucks with standard engines, various control techniques were evaluated to determine their effectiveness in reducing smoke and/or odor. Chemical analyses of the exhaust were made for the purpose of correlating the smoke and odor reductions with changes in exhaust composition. Extended mileage tests in commercial fleet service were initiated on those control techniques that appeared most promising.
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Authors
Citation
Stahman, R., Kittredge, G., and Springer, K., "Smoke and Odor Control for Diesel-Powered Trucks and Buses," SAE Technical Paper 680443, 1968, https://doi.org/10.4271/680443.Also In
References
- Turk Amos “The Selection and Training of Judges for the Sensory Evaluation of Odor Intensity and Character of Diesel Exhaust.” PHS Publication No. 999-AP-32 National Center for Air Pollution Control Cincinnati 1967
- “Control of Air Pollution from New Motor Vehicles and New Motor Vehicle Engines, Proposed 1970 Standards.” Federal Register 33 2 DHEW Washington, D.C. January 4 1968
- Schweitzer P. H. Jr. Alperstein M. Swim W. E. “Fumigation Kills Smoke -- Improves Diesel Performance.” Paper 248, SAE Transactions 66 1958 574 588 588 595
- McLaughlin E. J. Pinotti P. L. Sigworth H. W. “Power Booster Fuels for Diesels.” Paper 682 SAE National Fuels and Lubricants Meeting Chicago October 30, 1951
- Rechner L. R. Squires R. E. “Diesel Exhaust Odor Measurement Using Human Panels.” Paper 680 SAE Mid-Year Meeting Detroit May 22, 1968