Longchao Yao, Xuecheng Wu, Jing Yang, Yingchun Wu, Xiang Gao, Linghong Chen, Gérard Gréhan, Kefa Cen. Simultaneous 3D temperature and velocity field measurements of micro-flow with laser-induced fluorescence and micro-digital holographic particle tracking velocimetry: Numerical study[J]. Chinese Optics Letters, 2015, 13(7): 072801
- Chinese Optics Letters
- Vol. 13, Issue 7, 072801 (2015)
Fig. 1. Integrated two-color LIF and micro-DHPTV system.
Fig. 2. Defocused fluorescent particle: (a) experimental images, calibrated magnification of 15.1; (b) simulated images; (c) intensity distribution at z = − 40 μm z = 30 μm 106 pixels × 106 pixels
Fig. 3. Simulation images of 30 tracer particles: (a) fluorescence image of RhB; (b) fluorescence image of SRh101; (c) hologram of the first frame; (d) hologram of the second frame.
Fig. 4. Particle position and displacement errors: (a) position error; (b) displacement error.
Fig. 5. Intensity ratio at different z
Fig. 6. Velocity distribution and temperature distribution of the flow field: (a) velocity distribution; (b) temperature distribution.
Fig. 7. Visualization of 3D temperature and velocity field.
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Table 1. Parameters of the Numerical Test
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