IMECH-IR  > 高温气体动力学国家重点实验室
Diode laser absorption tomography for swirl flames application
Li F(李飞)1; Kang GJ(康国健)2; Lin X(林鑫)1; Wang KL(王宽亮)1,2; Yu XL(余西龙)1,2
Source PublicationFifth International Symposium on Laser Interaction with Matter
2019
Pages10.1117/12.2524472
Conference Name5th International Symposium on Laser Interaction with Matter, LIMIS 2018
Conference DateNovember 11, 2018 - November 13, 2018
Conference PlaceChangsha,China
Abstract

Tunable Diode Laser Absorption Spectroscopy (TDLAS) has been one of the most powerful techniques for combustion diagnostics in different kinds of burners. Combined with Hyperspectroscopy Tomography (HT), TDLAS can improve its spatial solution. This study reports a TDLAS-tomography system and its application in a swirl burner. The diagnostics system composed of sixteen beams (13X13, 13 parallel beams and 13 vertical beams). Four water vapor absorption lines, 7185.6 cm-1, 7444.3 cm-1, 7466.3 cm-1, and 6807.8 cm-1, were utilized in each beam using time-division-multiplexed (TDM) method at total measuring frequency of 2.5 kHz. A reconstruction routine based on simulated-annealing algorithm was used to deduce distributions of temperature T and water partial pressure PX. Dynamic data was obtained during the ignition of hydrogen fuel at the exit of the scramjet combustor. T and PX distribution of cross section indicate the flame location and its intensity. Successful experiments show great performance of this diagnostic method.

WOS IDWOS:000470011400109
ISBN978-1-5106-2759-8
Indexed ByEI ; CPCI-S
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/80034
Collection高温气体动力学国家重点实验室
Corresponding AuthorLi F(李飞); Yu XL(余西龙)
Affiliation1.State Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, CAS, Beijing; 100190, China
2.Beijing Key Laboratory of Arc Plasma Application Equipment, China Academy of Aerospace Aerodynamics, Beijing; 100074, China
Recommended Citation
GB/T 7714
Li F,Kang GJ,Lin X,et al. Diode laser absorption tomography for swirl flames application[C]Fifth International Symposium on Laser Interaction with Matter,2019:10.1117/12.2524472.
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