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Main Title Investigations of CARS and laser-induced saturated fluorescence for practical combustion diagnosis /
Author Eckbreth, A. C. ; Bonczyk, P. A. ; Verdieck, J. F.
Other Authors
Author Title of a Work
Bonczyk, P. A.
Verdieck, J. F.
CORP Author United Technologies Research Center, East Hartford, CT.;Industrial Environmental Research Lab., Research Triangle Park, NC.
Publisher U.S. Environmental Protection Agency, Industrial Environmental Research Laboratory ; National Technical Information Service [distributor],
Year Published 1980
Report Number EPA 600-7-80-091; EPA-68-02-3105
Stock Number PB80-190515
OCLC Number 08327925
Subjects Lasers ; Fluorescence spectroscopy ; Pollution--Measurement--Optical methods
Additional Subjects Gas analysis ; Flames ; Combustion products ; Industrial wastes ; Air pollution ; Trace elements ; Raman spectroscopy ; Temperature measurement ; Optical measuring instruments ; Portable equipment ; Fluorescence ; Cyanides ; Nitrogen oxides ; Laser induced fluorescence ; Coherent anti-stokes raman spectroscopy ; Methane radical ; In plant processes
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EJBD  EPA 600-7-80-091 Headquarters Library/Washington,DC 09/28/2018
EKBD  EPA-600/7-80-091 Research Triangle Park Library/RTP, NC 01/23/2004
ELBD ARCHIVE EPA 600-7-80-091 Received from HQ AWBERC Library/Cincinnati,OH 10/04/2023
ESAD  EPA 600-7-80-091 Region 10 Library/Seattle,WA 03/23/2010
NTIS  PB80-190515 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation ix, 93 pages : illustrations ; 28 cm.
The report gives results of experimental investigations aimed at developing nonperturbing, spatially precise, in-situ diagnostic techniques to measure species composition and temperature in flames. The investigations continued earlier development of coherent anti-Stokes Raman spectroscopy (CARS) and laser-induced saturated fluorescence. The program included two main, concurrent tasks. In Task 1, optical thermometry, the practical feasibility of CARS was demonstrated in a program of research-scale combustor testing (results agreed to within 5% for combustion zone temperature measurements made with CARS and with shielded thermocouples). In Task 2, optical composition, laser-induced saturated fluorescence was examined in regard to its capability for measuring CH, CN, and NO concentrations in flames. Saturation of the fluorescence in CH and CN was achieved and considerable insight into the physics of saturated fluorescence was obtained. Promising initial results of NO fluorescence in flames are described, but saturation was not observed for laser spectral intensities up to 6 million W/sq cm/cm.
"United Technologies Research Center." "EPA 600-7-80-091." "May 1980." Cover title. Includes bibliographical references. "Contract no. 68-02-3105, program element no. INE623."