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OLS Field Name OLS Field Data
Main Title Investigation of Diesel-Powered Vehicle Odor and Smoke. Part III.
Author Springe, Karl J. ;
CORP Author Southwest Research Inst., San Antonio, Tex.
Year Published 1969
Report Number SwRI-AR-695; PH-22-68-23; 0940;
Stock Number PB-207 851
Additional Subjects ( Air pollution control equipment ; Diesel engines) ; ( Diesel engines ; Exhaust gases) ; ( Air pollution ; Exhaust gases) ; ( Odors ; Diesel engines) ; ( Smoke abatement ; Diesel engines) ; Smoke ; Particles ; Odor detection ; Buses(Vehicles) ; Motor trucks ; Electrostatic precipitators ; Catalytic converters ; Fuel additives ; Odor control ; Dynamometers ; Acroleins ; Carbon monoxide ; Nitrogen oxides ; Aldehydes ; Tables(Data) ; Diesel exhaust ; Catalytic reactors(Exhaust systems)
Library Call Number Additional Info Location Last
NTIS  PB-207 851 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 783p
Abstract A ten-person odor panel, trained in the characterization of dilute diesel exhaust samples according to the PHS quality/intensity rating kit and the PHS light-extinction smokemeter, were used to measure odor and smoke. A commercially available diesel fuel odor additive had no effect on perceived odor from three two-cycle Detroit diesel 6V-71 E powered municipal buses, and inconsistent reductions in odor generally resulted from a catalytic muffler device. Both odor and smoke were less from similar buses powered by a 6V-71 N type engine. A number of truck-tractors with a variety of engines and drivelines were evaluated to develop dynamometer procedures and acquire limited baseline emissions. Due to low exhaust temperature and unsteady flow conditions with extended engine idle, the city bus exhaust represents one of the most difficult to treat by catalysis, and a number of catalytic devices employing both transition metal and precious metal catalyst coatings were unsatisfactory. An electrostatic precipitator was completely unsuccessful in reducing smoke. Fuel seemed to have little or no effect on perceived odor from three buses powered by 8V-71 N engines. (Author)
NTIS Title Notes Final rept..
PUB Date Free Form Oct 69,
Category Codes 13B; 68A
NTIS Prices PC A99/MF A01
Document Type NT
Cataloging Source NTIS/MT
Control Number 326527405
Origin NTIS
Type CAT