Investigation of saturated laser fluorescence and CARS spectroscopic techniques for combustion diagnostics. Final report October 1976--January 1978
Technical Report
·
OSTI ID:6484746
The report gives results of comparisons of saturated laser-excited molecular fluorescence measurements of CH and CN in atmospheric pressure acetylene flames with absorption measurements of these flame radicals. It was found possible to saturate the fluorescence intensity of both radicals with readily achieved levels of laser spectral intensity (100,000 to 1 million watts per square centimeter-reciprocal centimeter). Coherent Anti-Stokes Raman Spectroscopy (CARS) thermometry investigations were conducted on flame nitrogen in a variety of flames, including highly sooting propane diffusion flames. CARS species sensitivity was addressed in a study of CO detectability.
- Research Organization:
- United Technologies Research Center, East Hartford, CT (USA)
- OSTI ID:
- 6484746
- Report Number(s):
- PB-283819
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104 -- Spectral Procedures-- (-1987)
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
ACETYLENE
ALKANES
ALKYNES
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL ANALYSIS
COMBUSTION PRODUCTS
CRYOGENIC FLUIDS
CYANIDES
ELEMENTS
FLUIDS
FLUORESCENCE
HYDROCARBONS
LASER SPECTROSCOPY
LUMINESCENCE
NITROGEN
NONMETALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PROPANE
QUANTITATIVE CHEMICAL ANALYSIS
RAMAN SPECTRA
SPECTRA
SPECTROSCOPY
400104 -- Spectral Procedures-- (-1987)
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
ACETYLENE
ALKANES
ALKYNES
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL ANALYSIS
COMBUSTION PRODUCTS
CRYOGENIC FLUIDS
CYANIDES
ELEMENTS
FLUIDS
FLUORESCENCE
HYDROCARBONS
LASER SPECTROSCOPY
LUMINESCENCE
NITROGEN
NONMETALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PROPANE
QUANTITATIVE CHEMICAL ANALYSIS
RAMAN SPECTRA
SPECTRA
SPECTROSCOPY