Measurement Enhancement on Two-Dimensional Temperature Distribution of Methane-Air Premixed Flame Using SMART Algorithm in CT-TDLAS

In this study, the temperature distribution of the Methane-Air premixed flame was measured. In order to enhance the measurement accuracy of the CT-TDLAS (Computed tomography-tunable diode laser absorption spectroscopy), the SMART (simultaneous multiplicative algebraic reconstruction technique) algor...

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Bibliographic Details
Published in:Applied sciences 2019-11, Vol.9 (22), p.4955
Main Authors: Jeon, Min-Gyu, Doh, Deog-Hee, Deguchi, Yoshihiro
Format: Article
Language:English
Subjects:
Absorption spectroscopy
Air temperature
Algorithms
burner
Computed tomography
computed tomography-tunable diode laser absorption spectroscopy
concentration
Error analysis
exhaust gas
Gas absorption
Gases
Lasers
Line of sight
Methane
methane-air premixed flame
Premixed flames
Semiconductor lasers
Sensors
Spectrum analysis
Temperature
Temperature distribution
Thermocouples
Tunable lasers
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Summary:In this study, the temperature distribution of the Methane-Air premixed flame was measured. In order to enhance the measurement accuracy of the CT-TDLAS (Computed tomography-tunable diode laser absorption spectroscopy), the SMART (simultaneous multiplicative algebraic reconstruction technique) algorithm has been adopted. Further, the SLOS (summation of line of sight) and the CSLOS (corrective summation of line of sight) methods have been adopted to increase measurement accuracies. It has been verified that the relative error for the temperatures measured by the thermocouples and calculated by the CT-TDLAS was about 10%.
ISSN:2076-3417
2076-3417
DOI:10.3390/app9224955