Yu-han ZHU, Ming-yan GU, Ben-cheng ZHU, Jia-jia WU, Yu-yu LIN. Study on the Soot Order Degree and Functional Groups of Doping CH4 Into C2H4/H2 Diffusion Flame With Raman and FTIR[J]. Spectroscopy and Spectral Analysis, 2021, 41(12): 3722
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 12, 3722 (2021)
Fig. 1. Schematic diagram of hydrocarbon fuel combustion and soot sampling
Fig. 2. The consistency check of the Raman spectrum experiment: the normalized comparison of three sample results
Fig. 3. Normalized spectral
Fig. 4. Raman spectrum peak fitting effect diagram
Fig. 5. A D1/A G variation diagram of soot particles in hydrogen-doped methane ethylene flame
(a): Along flame height; (b): At different methane ratios
(a): Along flame height; (b): At different methane ratios
Fig. 6. Asymmetrical vibrational expansion and contraction of CH2 aliphatic hydrocarbon functional group in methane hydrogen-doped ethylene flame soot
(a): Along flame height; (b): At different methane ratios
(a): Along flame height; (b): At different methane ratios
Fig. 7. Changes of double-substituted C—H between hydrogen-doped methane and ethylene flame soot aromatic functional groups
(a): Along flame height; (b): At different methane ratios
(a): Along flame height; (b): At different methane ratios
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