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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2015, Vol. 36 ›› Issue (3): 724-736.doi: 10.7527/S1000-6893.2014.0173

• Review • Previous Articles     Next Articles

Review on the research of non-uniform combustion field measurement using laser absorption spectroscopy technique

HONG Yanji1, SONG Junling1,2, WANG Guangyu1, LIU Zhaoran1   

  1. 1. State Key Laboratory of Laser Propulsion & Application, Academy of Equipment, Beijing 101416, China;
    2. Science and Technology on Scramjet Laboratory, Hypervelocity Aerodynamics Institute, China Aerodynamics Research and Development Center, Mianyang 621000, China
  • Received:2014-06-23 Revised:2014-08-01 Online:2015-03-15 Published:2015-03-31
  • Supported by:

    National Natural Science Foundation of China (11372356)

Abstract:

Tunable diode laser absorption spectroscopy (TDLAS) is characterized by non-invasiveness, high sensitivity and fast response. Combined the laser absorption spectroscopy technique with least-square fitting or computed tomography (CT), the non-uniform spatially distribution of combustion field can be measured. First, the development of laser absorption spectroscopy technique and the basic concept are summarized. Then, we review the latest development and key technologies for non-uniform flow field in one-dimensional and two-dimensional measurements. A comparison of installation mode between fixed and rotated mode for two-dimensional non-uniform flow reconstruction is analyzed. The relative optical layout and reconstruction method are summarized. Finally, the development trend and problems for non-uniform flow field based on laser absorption spectroscopy are analyzed.

Key words: laser absorption spectroscopy, non-uniform combustion field, least-square fitting, computed tomography, reconstruction algorithm

CLC Number: