CARS (Coherent Anti-stokes Raman Spectroscopy) diagnostics of high pressure combustion. Final technical report 15 Feb 1979-30 Sep 1982
Technical Report
·
OSTI ID:5996437
Under Contract DAAG29-79-C-0008 sponsored by the Army Research Office, the United Technologies Research Center (UTRC) has conducted basic research investigations into coherent anti-Stokes Human spectroscopy (CARS). CARS is a remote laser diagnostic technique for temperature and species measurements in hostile combustion environments. As such it possesses considerable relevance to the Army in the general areas of ballistics, propulsion and internal combustion engines. This final report describes the results of the investigation which were conducted in two specific areas. The first area concerns the effects of high pressure, specifically the phenomenon of collisional narrowing, on CARS spectra from which temperature and density information device. Experimental studies of CARS spectra are conducted in N2 and CO2 in a heated, high pressure cell. The experimental spectra were in excellent agreement with the theoretical model developed to describe high pressure CARS spectroscopy.
- Research Organization:
- United Technologies Research Center, East Hartford, CT (USA)
- OSTI ID:
- 5996437
- Report Number(s):
- AD-A-124304/7
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
330101* -- Internal Combustion Engines-- Spark-Ignition
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
COMBUSTION PROPERTIES
ELEMENTS
ENGINES
EQUATIONS
HEAT ENGINES
HIGH PRESSURE
INTERNAL COMBUSTION ENGINES
LASER SPECTROSCOPY
LASERS
MEASURING INSTRUMENTS
NITROGEN
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PROPULSION SYSTEMS
RAMAN SPECTROSCOPY
SPECTROSCOPY
THERMOMETERS
330101* -- Internal Combustion Engines-- Spark-Ignition
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
COMBUSTION PROPERTIES
ELEMENTS
ENGINES
EQUATIONS
HEAT ENGINES
HIGH PRESSURE
INTERNAL COMBUSTION ENGINES
LASER SPECTROSCOPY
LASERS
MEASURING INSTRUMENTS
NITROGEN
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PROPULSION SYSTEMS
RAMAN SPECTROSCOPY
SPECTROSCOPY
THERMOMETERS