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RECORD NUMBER: 182 OF 258

OLS Field Name OLS Field Data
Main Title Nitric Oxide and Composition Profiles Around Burning Droplets of Ethanol and Ethanol-Pyridine Mixtures.
Author Ludwig, Dennis E. ; Harrje, David T. ; Bracco., Frediano V. ;
CORP Author Princeton Univ., N.J. Dept. of Aerospace and Mechanical Sciences.;Environmental Protection Agency, Washington, D.C.
Year Published 1974
Report Number AMS-1137; EPA-R-800844;
Stock Number PB-253 300
Additional Subjects Combustion ; Ethanols ; Burning rate ; Nitrogen oxide(NO) ; Drops(Liquids) ; Fuels ; Acyclic alcohols ; Gas chromatography ; Concentration(Composition) ; Air pollution ; Exhaust emissions ; Chemiluminescence ; Graphic methods ; Pyridines ; Nitrogen heterocyclics with 1 N ; Combustion products ;
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB-253 300 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 118p
Abstract
Composition profiles for the major species including nitric oxide along with temperature profiles are obtained for simulated ethanol fuel droplets burning at one atmosphere pressure and 300K. Nitric oxide profiles are also obtained for simulated fuel droplets of ethanol seeded with various percentages of a compound containing nitrogen (pyridine). The fuel droplet is simulated by a one millimeter porous carbon sphere supported by a fine stainless steel fuel line. Fuel is fed to the sphere using a motor driven syringe system. Gas samples are collected via a fine quartz microprobe introduced into the flame. The samples are immediately analyzed using a gas chromatograph and a nitric oxide chemiluminescent analyzer. Temperature measurements are made with standard quartz coated platinum/platinum-13% rhodium thermocouples. Comparison of the data is then made with previous theoretical calculations. Composition profiles are in good agreement with the theory, however measured nitric oxide concentrations are somewhat higher than predicted.