Surface flow field near the pit pool in model without engineering (PIV)

Surface flow field near the pit pool in model without engineering (PIV)

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The submerged dam is one of the commonly used schemes for the prevention and treatment of the pit-type collapse, which is often used in the pit-type collapse emergency treatment in Anhui and Jiangsu sections of the Yangtze River and has achieved good silt-promoting effects. However, the height of submerged dam lacks theoretical and experimental bas...

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... surface flow pattern of the model without engineering is shown in Fig. 4. It can be seen that the main flow velocity is the highest in the deep trough. The surface velocity at the entrance of the pit-type pool is about 1/2 of the main flow velocity, and the velocity in the pit-type pool is even smaller. The flow in pit-type pool moves clockwise submerged dam and the reflux center changes in the plane ...