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CO concentration and temperature measurements in a shock tube for Martian mixtures by coupling OES and TDLAS
Lin X(林鑫); Yu XL(余西龙); Li F(李飞); Zhang SH(张少华); Xin JG; Zhang XY(张新宇); Yu XL (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.
Source PublicationAPPLIED PHYSICS B-LASERS AND OPTICS
2013-03-01
Volume110Issue:3Pages:401-409
ISSN0946-2171
AbstractCO concentration and gas temperature distribution are diagnosed behind a strong shock wave simulating the Martian atmosphere entry processes by coupling optical emission spectroscopy (OES) and tunable diode laser absorption spectroscopy (TDLAS). The strong shock wave (6.31 +/- A 0.11 km/s) is established in a shock tube driven by combustion of hydrogen and oxygen. Temperature of the shock-heated gas is inferred through a precise analysis of the high temporal and spatial resolution experimental spectral of CN violet system (B (2) I pound (+) -> X (2) I pound (+), Delta v = 0 sequence) using OES. A CO absorption line near 2,335.778 nm is utilized for detecting the CO concentration using scanned-wavelength direct absorption mode with 50 kHz repetition rate. Combined with temperature results from OES, CO concentration in the thermal equilibrium region is derived. The current experimental results are complementary for determining an accurate rate coefficient of CO2 dissociation and validation relevant chemical kinetics models in Mars atmosphere entry processes.
KeywordDiode-laser Absorption Nonequilibrium Radiation Cn Radiation Sensor Entry Flows Wave
Subject Area交叉与边缘领域的力学
DOI10.1007/s00340-012-5269-1
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000316198700018
WOS KeywordDIODE-LASER ABSORPTION ; NONEQUILIBRIUM RADIATION ; CN RADIATION ; SENSOR ; ENTRY ; FLOWS ; WAVE
WOS Research AreaOptics ; Physics
WOS SubjectOptics ; Physics, Applied
DepartmentLHD高温气流激光诊断
Classification二类/Q2
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47172
Collection高温气体动力学国家重点实验室
Corresponding AuthorYu XL (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Lin X,Yu XL,Li F,et al. CO concentration and temperature measurements in a shock tube for Martian mixtures by coupling OES and TDLAS[J]. APPLIED PHYSICS B-LASERS AND OPTICS,2013,110(3):401-409.
APA 林鑫.,余西龙.,李飞.,张少华.,Xin JG.,...&Yu XL .(2013).CO concentration and temperature measurements in a shock tube for Martian mixtures by coupling OES and TDLAS.APPLIED PHYSICS B-LASERS AND OPTICS,110(3),401-409.
MLA 林鑫,et al."CO concentration and temperature measurements in a shock tube for Martian mixtures by coupling OES and TDLAS".APPLIED PHYSICS B-LASERS AND OPTICS 110.3(2013):401-409.
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