半導体レーザ分光システムを用いたCO_2ガスの計測 : 第2報,2.0μm帯の詳細吸収スペクトルと実燃焼ガス温度の計測(熱工学,内燃機関,動力など)

概要

論文の詳細を見る
A diode laser absorption spectroscopic technique has been applied for the precise measurement of concentration of H_2O, CH_4, NO, CO, CO_2. The measurement of temperature was performed by the ratio of intensities of the two DFB lasers, 5008.101 cm^-1 and 4878.193 cm^-1 for H_2O, 1.996 μm is used for concentration of CO_2. A premixed laminar flame (flat flame burner) was selected for actual measurements. Equivalent ratio and distance from the flame front were changed as parameter. RMS errors were estimated to be approximately 4% caused by various means suggestive to optical alignment, instrumental noise, etalon effect, beam steering and baseline matching. Based on the system evaluation and actual combustion measurements demonstated in this presentation one can conclude that this Diode Laser Absorption Spectroscopic technique extend the possibility to apply for in-situ combustion diagnostics.
2002-10-25