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A platform for research: civil engineering, architecture and urbanism
Arc cushion pool achieving bidirectional energy dissipation
The invention discloses an arc cushion pool achieving bidirectional energy dissipation. The arc cushion pool comprises a dam, a second dam located at the downstream position of the dam and a side slope located between the dam and the second dam. Inwards-concaved arc bottom faces are formed between the dam, the second dam and the side slope in the drainage water flow impact direction and the direction perpendicular to the drainage water flow impact direction, so that drainage water flow forms submerging hydraulic jump in the drainage water flow impact direction above the arc bottom faces and forms dual vortex rolling in the direction perpendicular to the drainage water flow impact direction above the arc bottom faces. A layer of water cushion is formed by the drainage water flow above the arc bottom faces. Each arc bottom face is a round partial curved face or oval partial curved face. Under the dual turbulent fluctuation shearing and vortex rolling function to the flood discharge waterflow in the drainage water flow impact direction and the direction perpendicular to the drainage water flow impact direction, energy dissipation is intensified, energy dissipation efficiency is improved, and therefore the optimal energy dissipation effect is achieved with little water. The structure is simple, and stability of toes and bank slopes is facilitated.
本发明公开了一种双向消能的弧形水垫塘，包括大坝，和位于所述大坝下游位置的二道坝，及位于所述大坝和所述二道坝之间的边坡；所述大坝、二道坝及边坡三者之间，沿下泄水流冲击方向及垂直于下泄水流冲击方向，均形成呈内凹的弧形底面；以使下泄水流在所述弧形底面的上方，沿下泄水流冲击方向形成淹没水跃，垂直于下泄水流冲击方向形成双重涡旋滚动；并且，下泄水流在弧形底面的上方形成一层水垫；所述弧形底面为圆形的部分曲面或者椭圆形的部分曲面。使泄洪水流在沿下泄水流冲击方向及垂直于下泄水流冲击方向的双重紊动剪切和旋滚作用下，加剧能量耗散，提高消能效率，以较少的水体达到最佳消能效果，并且结构简单，有利于坝趾和岸坡的稳定。
Arc cushion pool achieving bidirectional energy dissipation
The invention discloses an arc cushion pool achieving bidirectional energy dissipation. The arc cushion pool comprises a dam, a second dam located at the downstream position of the dam and a side slope located between the dam and the second dam. Inwards-concaved arc bottom faces are formed between the dam, the second dam and the side slope in the drainage water flow impact direction and the direction perpendicular to the drainage water flow impact direction, so that drainage water flow forms submerging hydraulic jump in the drainage water flow impact direction above the arc bottom faces and forms dual vortex rolling in the direction perpendicular to the drainage water flow impact direction above the arc bottom faces. A layer of water cushion is formed by the drainage water flow above the arc bottom faces. Each arc bottom face is a round partial curved face or oval partial curved face. Under the dual turbulent fluctuation shearing and vortex rolling function to the flood discharge waterflow in the drainage water flow impact direction and the direction perpendicular to the drainage water flow impact direction, energy dissipation is intensified, energy dissipation efficiency is improved, and therefore the optimal energy dissipation effect is achieved with little water. The structure is simple, and stability of toes and bank slopes is facilitated.
本发明公开了一种双向消能的弧形水垫塘，包括大坝，和位于所述大坝下游位置的二道坝，及位于所述大坝和所述二道坝之间的边坡；所述大坝、二道坝及边坡三者之间，沿下泄水流冲击方向及垂直于下泄水流冲击方向，均形成呈内凹的弧形底面；以使下泄水流在所述弧形底面的上方，沿下泄水流冲击方向形成淹没水跃，垂直于下泄水流冲击方向形成双重涡旋滚动；并且，下泄水流在弧形底面的上方形成一层水垫；所述弧形底面为圆形的部分曲面或者椭圆形的部分曲面。使泄洪水流在沿下泄水流冲击方向及垂直于下泄水流冲击方向的双重紊动剪切和旋滚作用下，加剧能量耗散，提高消能效率，以较少的水体达到最佳消能效果，并且结构简单，有利于坝趾和岸坡的稳定。
Arc cushion pool achieving bidirectional energy dissipation
一种双向消能的弧形水垫塘
PENG YU (author) / XU JIANRONG (author) / XUE YANG (author) / DU HUI (author) / TAO JUNJIA (author) / WANG JIANXIN (author) / LEI YUNJIAN (author) / GU JINJIAN (author) / GUO CHUANKE (author)
2020-09-11
Patent
Electronic Resource
Chinese
IPC:
E02B
HYDRAULIC ENGINEERING
,
Wasserbau
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