Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for adjusting flow velocity and fluctuation of approach channel in ship lock water filling and draining operation process
The invention belongs to the technical field of navigation scheduling, and particularly relates to an approach channel flow velocity and fluctuation adjusting method in the ship lock water filling and draining operation process. A one-dimensional numerical simulation model is adopted to simulate non-constant flow fluctuation characteristics of a long-distance river reach, flow velocity distribution and fluctuation characteristics of an approach channel and an entrance area are researched through a two-dimensional fluctuation model averaged along the water depth, and flow velocity distribution and fluctuation conditions of a parking section, a navigation section and a smoothing section in the approach channel are researched through a three-dimensional element flow simulation calculation model. The system analyzes navigation water flow conditions in the approach channel and the interval channel of the first ship lock and the second ship lock, the influence of ship lock operation on flow velocity distribution and water surface gradient in the approach channel is determined, and the change rule of interval channel water level fluctuation under the ship lock water filling and draining non-constant flow effect is obtained. And in combination with mathematical modeling calculation and analysis, factors influencing the maximum water delivery flow of the lock head can be further confirmed. The navigation water flow condition for effectively reducing the maximum water delivery flow of the lock head can be found out by establishing the relation between the factor and the maximum water delivery flow of the lock head.
本发明属于通航调度技术领域，特别涉及船闸充泄水运行过程中引航道流速和波动的调节方法。采用一维数值仿真模型模拟长距离河段的非恒定流波动特性，通过沿水深平均的二维波动模型研究引航道及口门区的流速分布及波动特性，利用三维素流仿真计算模型研究引航道内停泊段及导航、调顺段的流速分布及波动情况，系统分析第一船闸和第二船闸引航道及区间航道内的通航水流条件，明确船闸运行对引航道内流速分布、水面比降的影响，获得船闸充泄水非恒流作用下区间航道水位波动的变化规律。结合数学建模计算分析，能够进一步的确认影响闸首输水最大流量的因素。通过建立该因素与闸首输水最大流量之间的关系可以找出有效降低闸首输水最大流量的通航水流条件。
Method for adjusting flow velocity and fluctuation of approach channel in ship lock water filling and draining operation process
The invention belongs to the technical field of navigation scheduling, and particularly relates to an approach channel flow velocity and fluctuation adjusting method in the ship lock water filling and draining operation process. A one-dimensional numerical simulation model is adopted to simulate non-constant flow fluctuation characteristics of a long-distance river reach, flow velocity distribution and fluctuation characteristics of an approach channel and an entrance area are researched through a two-dimensional fluctuation model averaged along the water depth, and flow velocity distribution and fluctuation conditions of a parking section, a navigation section and a smoothing section in the approach channel are researched through a three-dimensional element flow simulation calculation model. The system analyzes navigation water flow conditions in the approach channel and the interval channel of the first ship lock and the second ship lock, the influence of ship lock operation on flow velocity distribution and water surface gradient in the approach channel is determined, and the change rule of interval channel water level fluctuation under the ship lock water filling and draining non-constant flow effect is obtained. And in combination with mathematical modeling calculation and analysis, factors influencing the maximum water delivery flow of the lock head can be further confirmed. The navigation water flow condition for effectively reducing the maximum water delivery flow of the lock head can be found out by establishing the relation between the factor and the maximum water delivery flow of the lock head.
本发明属于通航调度技术领域，特别涉及船闸充泄水运行过程中引航道流速和波动的调节方法。采用一维数值仿真模型模拟长距离河段的非恒定流波动特性，通过沿水深平均的二维波动模型研究引航道及口门区的流速分布及波动特性，利用三维素流仿真计算模型研究引航道内停泊段及导航、调顺段的流速分布及波动情况，系统分析第一船闸和第二船闸引航道及区间航道内的通航水流条件，明确船闸运行对引航道内流速分布、水面比降的影响，获得船闸充泄水非恒流作用下区间航道水位波动的变化规律。结合数学建模计算分析，能够进一步的确认影响闸首输水最大流量的因素。通过建立该因素与闸首输水最大流量之间的关系可以找出有效降低闸首输水最大流量的通航水流条件。
Method for adjusting flow velocity and fluctuation of approach channel in ship lock water filling and draining operation process
船闸充泄水运行过程中引航道流速和波动的调节方法
WANG JIEYUN (Autor:in) / WEI DEJIAN (Autor:in) / WU JUNDONG (Autor:in) / PAN HAITAO (Autor:in) / LI HENGCHANG (Autor:in) / LI XIANFANG (Autor:in) / GAO CHENGYAN (Autor:in) / LI MINGJING (Autor:in) / WANG XIANG (Autor:in) / WANG SHUAI (Autor:in)
06.09.2024
Patent
Elektronische Ressource
Chinesisch
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024
Ship lift lock head water retaining method suitable for ship lift channel water level fluctuation
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2023