Ming Cao, Ming Kong, Ruolin Liu, Liang Shan. Research on dual-wavelength measurement model for bubble flow detection[J]. Opto-Electronic Engineering, 2022, 49(6): 210437
- Opto-Electronic Engineering
- Vol. 49, Issue 6, 210437 (2022)
Fig. 1. Experimental system of gas-liquid two-phase flow
Fig. 2. Full liquid phase pipeline section
Fig. 3. Schematic diagram of ray tracing when there are bubbles in the pipe section
Fig. 4. Comparison of light intensity distributions (e~l) under different bubble phase distribution parameters (a~d). (a) All water; (b) (0,0,1); (c) (0,0,1.5); (d) (0.2,0.2,1.5)
Fig. 5. Schematic diagram of the parameter identification method
Fig. 6. Comparison of prediction results. (a) Single-wavelength; (b) Dual-wavelength
Fig. 7. Experimental setup
Fig. 8. Bubble flow. (a) x position; (b) y position
Fig. 9. Bubble radius distribution
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Table 1. Comparison of accuracy of single-wavelength and dual-wavelength prediction results
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