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Titolo:
DIODE-LASER SENSOR FOR MEASUREMENTS OF CO, CO2, AND CH4 IN COMBUSTIONFLOWS
Autore:
MIHALCEA RM; BAER DS; HANSON RK;
Indirizzi:
STANFORD UNIV,DEPT MECH ENGN,HIGH TEMP GASDYNAM LAB STANFORD CA 94305
Titolo Testata:
Applied optics
fascicolo: 33, volume: 36, anno: 1997,
pagine: 8745 - 8752
SICI:
0003-6935(1997)36:33<8745:DSFMOC>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
TEMPERATURE-MEASUREMENTS; ABSORPTION-MEASUREMENTS; SPECTROSCOPY;
Keywords:
DIODE LASER; EXTERNAL CAVITY DIODE LASER; SENSORS; ABSORPTION SPECTROSCOPY; MULTIPASS ABSORPTION CELL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
10
Recensione:
Indirizzi per estratti:
Citazione:
R.M. Mihalcea et al., "DIODE-LASER SENSOR FOR MEASUREMENTS OF CO, CO2, AND CH4 IN COMBUSTIONFLOWS", Applied optics, 36(33), 1997, pp. 8745-8752

Abstract

A diode laser sensor has been applied to monitor CO, CO2, and CH4 in combustion gases with absorption spectroscopy and fast extraction-sampling techniques. Survey spectra of the CO 3v band (R branch) and the 2v(1) + 2v(2)(0) + v(3) CO2 band (R branch) near 6350 cm(-1) and H2O lines from the v(1) + 2v(2) and 2v(2) + v(3) bands in the spectral region from 6345 to 6660 cm(-1) were recorded and compared with calculated spectra (from the HITRAN 96 database) to select optimum transitions for species detection. Species concentrations above a laminar, premixed,methane-air flame were determined from measured absorption in a fast-flow multipass absorption cell containing probe-sampled combustion gases; good agreement was found with calculated chemical equilibrium values. (C) 1997 Optical Society of America.

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Documento generato il 22/09/20 alle ore 15:49:27