大型泵站低扬程泵装置效率指标的推算_水利工程 关键词：低扬程；泵装置；水力性能；指标；推算 [gap=1429]Key words:low head；pump system；hydraulic performance；index；calculation
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Comparison between 2 types of outlet conduit was executed by both numerical calculation and model test. The conduits，including siphon outlet and straight-tube outlet，are usually applied for a vertical axial-flow pump with low head.
采用数值计算和模型试验的方法对低扬程立式轴流泵虹吸式和直管式2种不同形式的出水流道进行了比较，揭示了这2种出水流道的基本流态，测试了这2种形式出水流道的水力损失。
参考来源 - 低扬程立式轴流泵出水流道基本流态及水力性能的比较—《南水北调与水利科技》—2007年第2期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
料浆的循环靠大流量、低扬程的轴流泵推动。
The circulation of materials is pushed by a big flow and low-lift axial flow pump.
贯流泵是适用于大流量、低扬程的一种经济泵型。
For large discharge and low lift head, it is especially suitable to use tubular pumps for their economic characteristics.
适用于清洁的或污染的、大流量、低扬程的液体。
These pumps are suitable for clean or polluted, large quantities and low heads.
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