论文部分内容阅读
对明流、急流流态的泄洪洞，尤其是采用挑流消能工的明流、急流泄洪洞工程，在水流起挑之前形成洞内的水跃现象；如果所设计工程的起挑流量值过大，洞内形成的水跃高度即跃后水深可能造成隧洞封顶，形成明满流流态。本文介绍了采用挑流式消能工的明流、急流泄洪洞起挑流量的确定方法，供设计人员参考使用，以确保泄洪洞工程流态的单一性。
On the flow of the Ming and the floods, especially the flow of the Mingliu and the flood discharge tunnel with the energy dissipator of the pick-up flow, the phenomenon of water jump in the cave is formed before the flow of water picks up. If the designed flow rate Too large, the formation of the water hole height that is leaping after the water depth may cause the tunnel to capping, forming Ming Ming flow regime. This paper introduces the method to determine the flow from the Mingliu and Jiudian flood discharge tunnels by using the pick-up energy dissipater, which can be used by the designers for reference to ensure the uniformity of the flow field of the flood discharge tunnel.