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Unsteady flows' water depth in open-channel
A high-accurate experimental systems were established for unsteady flows in open channel. And then 40 experiments were conducted to study variation of continuous unsteady flows' water depth. Experiments show that unsteady flows water depth is close to HQmax at flow wave peak and to HQmin at flow wave bottom for long period. While the period is short, water depth at wave peak and wave bottom are both close to H. Here, HQmax is the water depth of the maximal discharge for the constant flow of the same discharge, HQmin is the water depth of the minimum discharge for the constant flow of the same discharge, and H̅ is the water depth of the averaged discharge for the constant flow. Finally a formula for calculating the water depth both of wave peak and wave bottom was developed, which's accuracy was proved by measured data.
Unsteady flows' water depth in open-channel
A high-accurate experimental systems were established for unsteady flows in open channel. And then 40 experiments were conducted to study variation of continuous unsteady flows' water depth. Experiments show that unsteady flows water depth is close to HQmax at flow wave peak and to HQmin at flow wave bottom for long period. While the period is short, water depth at wave peak and wave bottom are both close to H. Here, HQmax is the water depth of the maximal discharge for the constant flow of the same discharge, HQmin is the water depth of the minimum discharge for the constant flow of the same discharge, and H̅ is the water depth of the averaged discharge for the constant flow. Finally a formula for calculating the water depth both of wave peak and wave bottom was developed, which's accuracy was proved by measured data.
Unsteady flows' water depth in open-channel
Hu Jiang, (Autor:in) / Yang Shengfa, (Autor:in)
01.04.2011
325482 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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