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Based on the spillway tunnel of Kangsu Reservoir Project, the RNG turbulence model and VOF model in FLOW 3D software was used to study the flow characteristics of the spillway tunnel. The flow velocity and relative energy dissipation rate under different conditions of the original design scheme was analyzed, and compared with the model test. The reliability of the numerical simulation was verified. In view of the problems in the original design scheme, such as the water-wing in the upstream transition section of the spillway tunnel, the far drive hydraulic jump in the stilling basin, and the downstream gully flow not returning to the channel, the modified scheme was proposed. The results show that the modified scheme can effectively reduce the water wing phenomenon, and can effectively reduce the downstream gully flow velocity and the riverbed scouring by adding multi-level energy dissipation, which can provide a reference for the design.

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以康苏水库工程溢洪洞为基础,采用FLOW 3D软件中RNG紊流模型和VOF模型研究了溢洪洞内水流特性,分析了原设计方案不同工况的流速流态及相对消能率,并与模型试验结果作对比,验证了数值模拟研究结果的可靠性,进而针对原设计方案中溢洪洞上游渐变段易产生水翅、消力池产生远驱式水跃、下游冲沟水流不归槽等问题,提出了修改方案。结果表明,修改方案能有效地减弱水翅现象,通过增加多级消能,能明显减小下游冲沟水流流速,减轻河床冲刷,可为设计提供参考。

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彭诚(1992-),男,硕士、工程师,研究方向为水力学及水工结构工程,E-mail:

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彭诚(1992-),男,硕士、工程师,研究方向为水力学及水工结构工程,E-mail:

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彭诚(1992-),男,硕士、工程师,研究方向为水力学及水工结构工程,E-mail:

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康苏水库溢洪洞水力特性三维数值模拟研究
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彭诚 , 杜楠 , 吴昊
水电能源科学 | 水利水电工程 2023,41(12): 117-120
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水电能源科学 | 水利水电工程 2023, 41(12): 117-120
康苏水库溢洪洞水力特性三维数值模拟研究
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彭诚 , 杜楠, 吴昊
作者信息
  • 湖南省水利水电勘测设计规划研究总院有限公司,湖南 长沙 410007
  • 彭诚(1992-),男,硕士、工程师,研究方向为水力学及水工结构工程,E-mail:

Three-dimensional Numerical Simulation of Hydraulic Characteristics of Spillway Tunnel of Kangsu Reservoir
Cheng PENG , Nan DU, Hao WU
Affiliations
  • Hunan Water Resource and Hydropower Survey Design Planning and Research Co, Ltd, Changsha 410007, China
出版时间: 2023-12-25 doi: 10.20040/j.cnki.1000-7709.2023.20230189
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以康苏水库工程溢洪洞为基础,采用FLOW 3D软件中RNG紊流模型和VOF模型研究了溢洪洞内水流特性,分析了原设计方案不同工况的流速流态及相对消能率,并与模型试验结果作对比,验证了数值模拟研究结果的可靠性,进而针对原设计方案中溢洪洞上游渐变段易产生水翅、消力池产生远驱式水跃、下游冲沟水流不归槽等问题,提出了修改方案。结果表明,修改方案能有效地减弱水翅现象,通过增加多级消能,能明显减小下游冲沟水流流速,减轻河床冲刷,可为设计提供参考。

溢洪洞  /  水翅  /  消能  /  数值模拟

Based on the spillway tunnel of Kangsu Reservoir Project, the RNG turbulence model and VOF model in FLOW 3D software was used to study the flow characteristics of the spillway tunnel. The flow velocity and relative energy dissipation rate under different conditions of the original design scheme was analyzed, and compared with the model test. The reliability of the numerical simulation was verified. In view of the problems in the original design scheme, such as the water-wing in the upstream transition section of the spillway tunnel, the far drive hydraulic jump in the stilling basin, and the downstream gully flow not returning to the channel, the modified scheme was proposed. The results show that the modified scheme can effectively reduce the water wing phenomenon, and can effectively reduce the downstream gully flow velocity and the riverbed scouring by adding multi-level energy dissipation, which can provide a reference for the design.

spillway tunnel  /  water-wing  /  energy dissipation  /  numerical simulation
彭诚, 杜楠, 吴昊. 康苏水库溢洪洞水力特性三维数值模拟研究. 水电能源科学, 2023 , 41 (12) : 117 -120 . DOI: 10.20040/j.cnki.1000-7709.2023.20230189
Cheng PENG, Nan DU, Hao WU. Three-dimensional Numerical Simulation of Hydraulic Characteristics of Spillway Tunnel of Kangsu Reservoir[J]. Water Resources and Power, 2023 , 41 (12) : 117 -120 . DOI: 10.20040/j.cnki.1000-7709.2023.20230189
2023年第41卷第12期
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doi: 10.20040/j.cnki.1000-7709.2023.20230189
  • 接收时间:2023-02-13
  • 首发时间:2026-01-28
  • 出版时间:2023-12-25
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  • 收稿日期:2023-02-13
  • 修回日期:2023-04-06
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    湖南省水利水电勘测设计规划研究总院有限公司,湖南 长沙 410007
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2种不同金属材料的力学参数

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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