External Characteristics and Internal Flow Features of a Centrifugal Pump during Rapid Startup

• 作 者: ZHU Zuchao GUO Xiaomei CUI Bao
• 机 构: LaboratoryofFluidPowerTransmission,MechanicalandElectronicEngineeringDepartment
• 出 处: 中国机械工程学报
• 发表日期: 2011年5期
• 关键词: 离心泵 快速启动 特征和 稳定运行 瞬态效应 旋转速度 数值计算 特性实验 centrifugal pump numerical calculation tra
• 基金项目: supported by National Natural Science Foundation of China （Grant No. 50879080, Grant No. 50609025）, Zhejiang Provincial Natural Science Foundation of China （Grant No. Y1100013,Grant No. R1100530）

Centrifugal pumps always work under steady conditions,and many researches focus on the steady operation.But transient conditions,such as sudden startup and shutdown,are inevitable.The researches on the inner flow of centrifugal pumps under transient condi