| Title |
Analysis of Sediment Flushing Effect for Reservoir Sedimentation Management of the Patrind Dam in Pakistan |
| Authors |
노준우 ( Joon Woo Noh ) ; 박진혁 ( Jin Hyeog Park ) ; 허영택 ( Young Teck Hur ) ; 김상호 ( Sang Ho Kim ) |
| Keywords |
Bed elevation change; HEC-RAS; Reservoir sedimentation; Sediment flushing; Sediment transport |
| Abstract |
Reservoir sedimentation is one of the major concerns for sustainable reservoir operation. Since sediment concentration of the rivers in the Himalayan Mountain is very high, a proper sediment management scheme is mecessary. This paper presents long-term reservoir sedimentation and sediment flushing based on the gate operation. Focused on the reservoir to be constructed for the Patrind hydropower project in Pakistan, 4 different flushing scenarios were proposed in this study to prevent successive sedimentation. By extending flushing period and by increasing the flushing discharge for 2 times, the flushing rate increases up to 53.2% and 43.6% in proportion to flushing period and dischrge, respectively. Based on the simulation presented in this paper, it is expected to establish efficient sediment management plan to increase hydro power generation and sediment flushing simultaneously. |