文章详细信息 关键词： 空气阀;;长距离供水;;水锤防护 [gap=463]Keywords: air valve;long distance water transportation;water hammer prevention
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...管道；比选；选材；水锤防护 [gap=600]Key words:pipeline；comparison and selection；material select；water hammer defence. ...
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It puts forward best used water hammer protection measures for reference and analyzes the protection principle and features of these measures.
提出当今使用较多的一些水锤防护措施可供该工程选择,并分析这些措施的防护原理与性能。
参考来源 - 长距离大型区域输水系统水锤防护研究But sometimes,water hammer protection works are very difficult to construct because of the limitation of poor construction conditions. And it is necessary to make a slight change of the positions of air vents.
由于受施工条件的限制,水锤防护措施的安装施工有时非常困难,往往需要作适当调整。
参考来源 - 南水北调中线工程北京西四环段输水安全分析—《南水北调与水利科技》—2010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
文中通过数值计算分析了这种局部管材突变对水锤防护的影响。
An analysis of the effects of great material change of some pipes on water hammer prevention is made by a numerical calculation.
在长间隔输水管线中，尤以多起伏管道水锤防护难度最大，发生水锤事故最多。
In long pipe line, especially multi-undulate pipeline, the difficulty of prevention water hammer is most difficult.
结合工程实例对长距离输水工程中的系统设计、管材选择、水锤防护等方面进行了阐述。
Combined with engineering example, long distance water conveyance engineering is described from the aspects of system design, choice of tubing and anti-water hammer.
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