Xiao-teng ZHANG, Wei LIU, Hai-feng LIU, Zun-qing ZHENG, Zhen-yang MING, Yan-qing CUI, Ming-sheng WEN, Ming-fa YAO. Intensity Distribution and Inversion Reconstruction of Spectrum of Hydroxyl Radicals in Spray Combustion of PODE Under Different Environmental Oxygen Concentrations[J]. Spectroscopy and Spectral Analysis, 2022, 42(8): 2587
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 8, 2587 (2022)
Fig. 1. Schematic diagram of the constant volume combustion chamber system
Fig. 2. Schematic diagram of Abel inversion
Fig. 3. Schematic diagram of Onion-Peeling method
Fig. 4. Abel inversion with noise
Fig. 5. Accumulated OH self-luminescence spectral images of PODE quasi-steady state spray flame along optical path and time under different oxygen concentration conditions
Fig. 6. The variation of the lift-off length of PODE and diesel spray flame with oxygen concentration
Fig. 7. PODE spray flame images under different oxygen concentrations
(a): The averaged nature luminosity false-color images of OH spectrum; (b): The averaged nature luminosity false-color images of flame;(c): The single-shot, nature luminosity true-color images of flame
(a): The averaged nature luminosity false-color images of OH spectrum; (b): The averaged nature luminosity false-color images of flame;(c): The single-shot, nature luminosity true-color images of flame
Fig. 8. Abel inversion results of PODE spray flame OH self-luminescence spectrum under oxygen-rich concentration conditions
|
Table 1. Physical and chemical properties of PODE and diesel
|
Table 2. Experimental conditions
|
Table 3. RMSEave of different Abel inversion methods
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20