农业机械学报2009，Vol.40Issue(11)：89-93,5.
低比转数离心泵多相位定常全三维数值模拟
3-D Numerical Simulation for Low Specific-speed Centrifugal Pump with Multi-phase Position
摘要
Abstract
To the doubt whether steady flow is endowed with global representativeness, the numerical simulation was performed for a low specific-speed centrifugal pump at multi-phase position, under the designed operating conditions, by multiple reference frame model. Changes of the total head were investigated in detail, due to the relative position of impeller passage to volute. The important flow information, such as velocity, the pressure fields and characteristics of swirling flow and its developing process on the eighth cross-sections of the volute casing, were also gained. It was concluded that the result of steady numerical simulation with multi-phase position truly reflects the unsteady flow features in the pump flow field to a certain degree.关键词
离心泵/低比转数/多参考系模型/多相位/数值模拟Key words
Centrifugal pump/ Low specific-speed/ Multiple reference frame model/ Multi-phase/ Numerical simulation分类
机械制造引用本文复制引用
王洋,代翠..低比转数离心泵多相位定常全三维数值模拟[J].农业机械学报,2009,40(11):89-93,5.基金项目
国家"863"高技术研究发展计划资助项目(2006AA100211) （2006AA100211）
