Laser probes of natural gas ignition chemistry. Final report, January 1984-December 1986

Technical Report · Thu Jan 01 04:00:00 EST 1987

OSTI ID:6251887

Crosley, D R

The research described is aimed at developing laser-induced fluorescence of various hydrocarbon species for use as probes in natural gas combustion research, and developing an understanding of the mechanisms of ignition and the formation of chemiluminescent emission in such flames. Measurements have been made of two-dimensional imaging and the relationship between ignition chemistry and chemiluminescence for the OH and CH radicals, in flames at atmospheric and reduced pressure, and in a laser-pyrolysis system. Measurements were performed on collisional quenching, energy transfer, and transition probabilities for the OH, CH, and CH/sub 3/O radicals, in flames and discharge flow systems. Transition-state-theory calculations were performed and parameters codified for bimolecular reactions important in natural gas combustion, with special emphasis on the disputed methyl-methyl recombination rate constant.

• Research Organization: SRI International, Menlo Park, CA (USA)
• OSTI ID: 6251887
• Report Number(s): PB-87-209599/XAB; SRI-MP-87-049
• Country of Publication: United States
• Language: English

Related Subjects

03 NATURAL GAS
034000* -- Natural Gas-- Combustion
ACETYLENE
ALDEHYDES
ALKYL RADICALS
ALKYNES
CHEMICAL REACTIONS
CHEMILUMINESCENCE
COMBUSTION
ENERGY SOURCES
FLUIDS
FLUORESCENCE
FORMALDEHYDE
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
HYDROCARBONS
HYDROXYL RADICALS
IGNITION
LUMINESCENCE
MATHEMATICAL MODELS
METHYL RADICALS
NATURAL GAS
ORGANIC COMPOUNDS
OXIDATION
RADICALS
THERMOCHEMICAL PROCESSES