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Feidong Zheng, Yun Li, Guoxiang Xuan, Zhonghua Li and Long Zhu
A positive surge is an unsteady open channel flow motion characterized by an increase of flow depth. In previous experimental studies, a positive surge was typically induced by either a sudden increase of discharge in a channel or by the rapid closure of...
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Daniele Pietro Viero, Paolo Peruzzo and Andrea Defina
A simplified model for the upstream propagation of a positive surge in a sloping, rectangular channel is presented. The model is based on the assumptions of a flat water surface and negligible energy dissipation downstream of the surge, which is generate...
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