The converging type or shape of conduits of tailrace surge tank of multi-unit system is of important influence on flow conditions and head losses, therefore it deserves atterntion in design.

• 摘要多机共用尾水调压室的底部管道交汇型式对调压室布置和运行时流态和水头损失有重要影响，是设计中需认真对待的问题。