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Laser-based diagnostics for coal gasification instrumentation. [Coherent anti-Stokes Raman spectroscopy (CARS), laser induced breakdown spectroscopy (LIBS) and laser-induced fluorescence (LIF)]

Technical Report ·
OSTI ID:6210781
; ; ;
In this program the investigators have investigated the suitability of a number of optical diagnostic techniques for nonintrusive real-time measurements of species concentrations and temperatures of coal gasification streams. They have identified and evaluated several promising techniques including coherent Raman spectroscopy, laser-induced breakdown spectroscopy, and laser-induced fluorescence. They emphasize that these are complementary, rather than competing, diagnostic technologies, as each can provide a different class of data for gasifier operation. The results of their gasifier field tests and supporting laboratory work on these diagnostic techniques have been summarized and recommendations for continued work on optical diagnostics for coal gasification streams are presented. 12 references, 17 figures.
Research Organization:
Los Alamos National Lab., NM (USA)
DOE Contract Number:
W-7405-ENG-36
OSTI ID:
6210781
Report Number(s):
LA-UR-84-3292; ON: DE85002385
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
010404* -- Coal
Lignite
& Peat-- Gasification
ALKALI METALS
ALKANES
BENCH-SCALE EXPERIMENTS
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
COAL GASIFICATION
DATA
DIAGNOSTIC TECHNIQUES
DYE LASERS
ELEMENTS
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXPERIMENTAL DATA
FIELD TESTS
FLUIDS
FLUORESCENCE
FUEL GAS
FUELS
GAS FUELS
GASES
GASIFICATION
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
INFORMATION
LASER SPECTROSCOPY
LASERS
LIQUID LASERS
LUMINESCENCE
METALS
METHANE
NITROGEN
NONMETALS
NUMERICAL DATA
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
POTASSIUM
RAMAN SPECTROSCOPY
REAL TIME SYSTEMS
SODIUM
SPECTROSCOPY
SULFIDES
SULFUR
SULFUR COMPOUNDS
TESTING
THERMOCHEMICAL PROCESSES
TRACE AMOUNTS