农业机械学报2012，Vol.43Issue(11)：119-122,128,5.DOI:10.6041/j.issn.1000-1298.2012.11.022
无过载离心泵设计参数与性能关系研究
Relationship of Performances and Design Parameters for Non-overload Centrifugal Pumps
摘要
Abstract
According to the formula of the ratio K of the maximal axle power to the rated axle power of the non-overload centrifugal pumps, K was expressed as the function of specific speed, impeller outlet angle and number of blades by calculating the formula. The three-dimensional image of K and contours about specific speed and impeller outlet angle of K under different numbers of blades were drawn based on the function. K is not close to the number of blades; while the impeller outlet angle and specific speed have a greater effect on K. Under the same K, the higher the specific speed was, the bigger the impeller outlet angle would be. Reasonable impeller outlet angle can be chosen according to the specific speed and K from the contours. The example showed that the method can make the design of non-overload centrifugal pumps successfully and quickly, and can avoid the blindness in choosing the impeller outlet angle with the traditional method.关键词
离心泵/无过载/功率备用系数/设计参数Key words
Centrifugal pump / Non-overload/ Power spare coefficient/ Design parameter分类
机械制造引用本文复制引用
杨军虎,郭斌,王玥,张云周,孟瑞锋,王晓晖..无过载离心泵设计参数与性能关系研究[J].农业机械学报,2012,43(11):119-122,128,5.基金项目
国家自然科学基金资助项目(51169010)和"十二五"国家科技支撑计划资助项目(2012BAA08B05) （51169010）
