节点文献
泵叶轮削减后性能换算系数适用范围研究
Research on the Applicable Range of PerformanceScale Factor After Reducing Impeller
【摘要】 深入地探讨了ISO9906:1999《回转动力泵——水力性能验收试验——1级和2级》和GB/T12785—2002新标准中叶轮直径削减后性能换算系数适用范围。通过84组数据统计分析和计算,使标准中换算系数适用在叶轮直径削减比不超过5%的范围,扩大到削减比小于或者等于30%,同时提出了最大和最小切削量的计算方法,为进一步理解和贯彻实施新标准将会起到积极作用。
【Abstract】 The paper has researched on the range of performance scale factor after reducing impeller in the standards.The calculating method on maximum and minimum ratios of reduction has been offered in this paper.
【关键词】 ISO9906;
泵;
叶轮;
削减;
性能换算系数;
【Key words】 pump; impeller; reduction; performance scale factor; applicable range;
【Key words】 pump; impeller; reduction; performance scale factor; applicable range;
- 【文献出处】 河北工程技术高等专科学校学报 ,J.of Hebei Engineering and Technical College , 编辑部邮箱 ,2003年04期
- 【分类号】TH31
- 【下载频次】37