Shiwei LIU, Haiping MEI, Yichong REN, Zhiwei TAO, Azezigul Abdukirim, Junxin ZHANG, Yanling LI, Ruizhong RAO. Research on Flow Field Detection System with High Precision Based on Background Oriented Schlieren[J]. Acta Photonica Sinica, 2022, 51(11): 1112002
- Acta Photonica Sinica
- Vol. 51, Issue 11, 1112002 (2022)
Fig. 1. BOS imaging configuration
Fig. 2. The relative error between the measured displacement and the actual displacement under the different optical flow
Fig. 3. The relative error between the measured displacement and the actual displacement under the different background parameters
Fig. 4. Fitting curve between the movement and measurement of background under different displacement
Fig. 5. Aperiodic original and reconstructed function
Fig. 6. Periodic original and reconstructed function
Fig. 7. Scene diagram of indoor alcohol lamp combustion experiment
Fig. 8. Optical flow image and wavefront of temperature pressure field
Fig. 9. Scene and layout of outdoor barrel launch experiment
Fig. 10. Natural background，optical flow image and wavefront of voice pressure field
|
Table 1. The values，the relative error，the uncertainty in horizontal and vertical directions between the measured displacement and the actual displacement under different displacements
|
Table 2. The time of function restructing and the RMSE between original and reconstructed function
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