IMECH-IR  > 力学所知识产出(1956-2008)
A tunable diode-laser absorption spectroscopy (TDLAS) thermometry for combustion diagnostics
Yu XL(余西龙); Li F(李飞); Chen LH(陈立红); Chang XY(张新宇)
Source Publication15th AIAA International Space Planes and Hypersonic Systems and Technologies Conference
2008
Conference Name15th AIAA International Space Planes and Hypersonic Systems and Technologies Conference
Conference DateApril 28, 2008 - May 1, 2008
Conference PlaceDayton, OH, United states
AbstractA sensor based on tunable diode laser absorption spectroscopy (TDLAS) was constructed for non-intrusive temperature and water vapor concentration measurement. Absorption lines were selected and analysed using spectrum database Hitran2004. Two fiber-coupled near infrared distributed feedback (DFB) lasers was used to probe two water vapor absorption features (7168.437 cm-1 and 7185.597 cm-1) near 1393nm which has high sensitivity of temperature measurement in 500-1300K. Successful experiments were performed in a CH4/Air premixed flat flame burner using direct absorption wavelength scanned method at a 1KHz scan rate. Comparison with thermocouple measurements, the maxium error of the method is less than 80K (6.7%). Copyright © 2008 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.
KeywordAbsorption Lines Combustion Diagnostics Direct Absorption Fiber-coupled Flat Flame Burner High Sensitivity Near Infrared Non-intrusive Premixed Scan Rates Thermocouple Measurements Tunable Diode Laser Absorption Spectroscopy Tunable Diode Lasers Water Vapor Concentration Water-vapor Absorption
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60313
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
Yu XL,Li F,Chen LH,et al. A tunable diode-laser absorption spectroscopy (TDLAS) thermometry for combustion diagnostics[C],2008.
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