低比转速泵的高扬程决定了叶片流道内逆压梯度比较高，这种压力分布使得水流易于在叶片表面脱流分离，这一现象甚至在泵的设计点也难以避免。
The high head produced by the impeller means high adverse pressure gradient within blade passage and because of this the flow often separates from the blade surfaces even at the design point.
基于低比速离心泵is 50 - 32 - 160模型，对有、无分流叶片的设计方案全流场进行了数值模拟和对比分析。
Based on the low-specific speed centrifugal pump model of IS 50-32-160, two impellers are designed with and without splitter blades.
低扬程泵装置有多种型式，竖井式贯流泵装置是一种较新的低扬程泵装置型式。
Low head pump system has several types, among which pit tubular pump system is a new one.
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