Study on multi-spectral inversion of temperature and soot concentration in flames
<b>[Objectives]</b>In order to accurately understand the temperature inside the flame and the distribution of soot concentration,<b>[Methods]</b>the distribution of the two-dimensional temperature and the soot volume fraction inverted from the spectral intensity image of the...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Editorial Office of Chinese Journal of Ship Research
2019-10-01
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| Series: | Zhongguo Jianchuan Yanjiu |
| Subjects: | |
| Online Access: | http://www.ship-research.com/EN/Y2019/V14/I5/42 |
| Summary: | <b>[Objectives]</b>In order to accurately understand the temperature inside the flame and the distribution of soot concentration,<b>[Methods]</b>the distribution of the two-dimensional temperature and the soot volume fraction inverted from the spectral intensity image of the flame was studied using a hyper-spectrometer. Firstly,a hyper-spectrometer was used to capture the laboratory's vinyl laminar diffusion flame to obtain a high-resolution image containing multi-spectral information. Then, the wavelength in the image was analyzed and screened,the multi-wavelength radiation intensity information was obtained by calibrating the blackbody furnace,and the two-dimensional distribution of the flame temperature and the soot volume fraction was obtained by inversion.<b>[Results]</b>Comparing the obtained flame temperature with the results from other literature,the maximum temperature deviation is 2.77%, and the results are in good agreement,<b>[Conclusions]</b>indicating the accuracy of the distribution of temperature and soot volume fraction. |
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| ISSN: | 1673-3185 1673-3185 |