The Josette : Reliability of self-monitoring of discharged flows

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Issue

The longer the thresholds are, the more significant the flows generated by the low overtopping blades. The uncertainty in assessing the volume spilled is then incompatible with reliable measurement.

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The 3D EAU solution

The Josette, a rounded V-shaped sill, makes the measurement of the tilting blade more reliable. The conversion from height to flow is adapted to self-monitoring objectives. The height/flow rate relationship used is digitally and experimentally validated as shown in the video below.

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Advantages

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  • Reliable flow measurement

  • Preservation of evacuation capacity

  • No floating catch

  • Numerically and experimentally validated law​

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