Figure 2: Schematic diagram of the experimental setup. | Scientific Reports

Figure 2: Schematic diagram of the experimental setup.

From: Effect of particle volume fraction on the settling velocity of volcanic ash particles: insights from joint experimental and numerical simulations

Figure 2

Particles are released at variable discharge rates within an experimental box open at the top and bottom, and filmed at 2000 frames per second while settling. The camera focuses on a small control volume at the center of the stream of settling particles. Small flow width (~0.1 m) with respect to box size minimizes wall effects. Still frames on the right show examples of different particle volume fraction (ϕp) within the control volume (see Supplementary Video S2).

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