Study of the Instantaneous Water Level Measurement Method on Unsteady Flow Based on Single Camera and Fixed Scale Compensation in the Tunnel Model

<div>A panoramic view of the instantaneous water surface in the Water Distribution Pool and the Southern Main Tunnel model (a) A panoramic view at 2.0 s before opening the gate. (b) A panoramic view at 1.0 s after opening the gate. (c) A panoramic view at 3.0 s after opening the gate. (d) A panoramic view at 204.0 s after opening the gate.</div>

Advances in Civil Engineering

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Figure 5

Figure 5: Study of the Instantaneous Water Level Measurement Method on Unsteady Flow Based on Single Camera and Fixed Scale Compensation in the Tunnel Model 

Figure 5 | Study of the Instantaneous Water Level Measurement Method on Unsteady Flow Based on Single Camera and Fixed Scale Compensation in the Tunnel Model 