离心泵性能曲线的最小二乘拟合法  

Fitting of Centrifugal Pump Performance Curve Using Method of Least Squares Function

作　　者：吴玉国[1] 李成刚 李小玲[1] 金玉松 肖亦海 

机构地区：[1]辽宁石油化工大学油气储运工程系,辽宁抚顺113001 [2]中国石油东北销售公司调运处,辽宁沈阳110013 [3]中石化广东省石油公司,广东广州510145 [4]中石化河北省石油公司唐山分公司,河北唐山063000

出　　处：《当代化工》2007年第5期519-522,共4页Contemporary Chemical Industry

摘　　要：针对离心泵性能曲线拟合,介绍了用正交函数作最小二乘拟合的方法以及详细的计算步骤,进而采用Visual C++语言编制了计算程序。计算实例表明,该方法得到的拟合方程可靠、计算精度高,并且方便快捷,可用于离心泵的选型与计算,从而提高工作效率。In allusion to centrifugal pump performance curve, fitting with method of least squares function by using orthogonal functions and the detailed calculating steps are expounded in this paper. Then the calculation program is compiled in Visual C ＋ ＋ language. The calculating instance indicates that the fitting equations obtained is credible, high- precision and convenient. Therefore the method can be used in centrifugal pump type selection and calculation to improve the work efficiency.

关 键 词：离心泵 性能曲线 拟合 最小二乘法 

分 类 号：TQ015[化学工程]