The optimal hydraulic design can effectively improve the outlet flow pattern of suction box to ensure better flow conditions for pump and raise the efficiency of pumping system substantially.

进水流道水力设计优化可有效地改善进水流道出口流态，确保水泵有良好的进水条件，大幅度提高水泵装置效率。

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And also puts forward improving measures for reducing hydraulic loss in suction piping and installing low speed prime pump in suction system.

在合理确定吸入系统的装置方面，提出了减少吸入管路的水力损失和在吸入系统安装低速前置泵的改进措施。

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This paper introduces the structure and hydraulic design of the multiphase flow centrifugal pump, which draught sands from the riverbed and discharge the air of the suction pipe.

文章介绍一种用于从河底吸取泥砂并且有自吸排气的离心式多相流泵的结构及水力设计。

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