The bottom flow mode was used for the flood discharge energy dissipation of Xihe hydropower station,combining with adjective energy dissipation structures to meet the need of the features of the project,concerning lower water head,low Froude number,high discharge per unit width,large variation of tail water table,weak ability of anti scouring of the bed rock and so on.
喜河水电站泄洪消能采用底流消能形式结合各种辅助消能工以适应低水头、低弗氏数、大单宽流量、高尾水且变幅大,河床基岩抗冲能力差的特点。