Kinetic measurements on elementary fossil fuel combustion reactions over wide temperatures ranges
The goals of this work are to provide accurate data on the temperature dependence of the kinetics of elementary combustion reactions (i) for use by combustion modelers, and (ii) to gain a better fundamental understanding of, and hence predictive ability for, the chemistry involved. Experimental measurements are made using the pseudo-static HTP (high-temperature photochemistry) technique. This approach allows observations on single reactions in the 300 to 1800 K temperature range to be made. Typical total (bath gas) pressures are in the 100 to 1000 mbar range. Ground-state O and H atoms are produced by flash or excimer laser photolysis of suitable precursors (O{sub 2}, CO{sub 2}, SO{sub 2}, NH{sub 3}). The relative atom concentrations are monitored by resonance fluorescence pumped by a cw microwave discharge flow lamp. The molecular reactant-in-excess is introduced through a cooled inlet. Adequate time for mixing, 0.1 to 10 s, between this inlet and the photolysis/observation zone is achieved by using slow flows (typically less than 20 cm s{sup {minus}1}). Results are reported for: O-Atom Reactions with the Four Isomeric Butenes, H + HCl {yields} H{sub 2} + Cl, and the O-atom 1,3-butadiene reaction.
- Research Organization:
- Rensselaer Polytechnic Inst., Troy, NY (United States)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG02-84ER13224
- OSTI ID:
- 5713017
- Report Number(s):
- DOE/ER/13224-16; ON: DE92007535
- Country of Publication:
- United States
- Language:
- English
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Kinetic measurements on elementary fossil fuel combustion reactions over wide temperature ranges: Progress report
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Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ATOMS
CHEMICAL REACTIONS
COMBUSTION KINETICS
TEMPERATURE DEPENDENCE
POLYATOMIC MOLECULES
PHOTOLYSIS
AMMONIA
BUTADIENE
BUTENES
CARBON DIOXIDE
EXCIMER LASERS
HYDROCHLORIC ACID
HYDROGEN
OXYGEN
PROGRESS REPORT
SULFUR DIOXIDE
ALKENES
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHLORINE COMPOUNDS
DECOMPOSITION
DIENES
DOCUMENT TYPES
ELEMENTS
GAS LASERS
HALOGEN COMPOUNDS
HYDRIDES
HYDROCARBONS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
KINETICS
LASERS
MOLECULES
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NONMETALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHOTOCHEMICAL REACTIONS
POLYENES
REACTION KINETICS
SULFUR COMPOUNDS
SULFUR OXIDES
400800* - Combustion
Pyrolysis
& High-Temperature Chemistry
400500 - Photochemistry