【摘 要】
：
采用有限元ANSYS软件建立离心式上充泵转子部件三维模型和划分有限元网格,分别对转子部件进行干态和湿态下的固有模态分析、两支承与三支承模态分析和临界转速计算.模态分析
【基金项目】
：
国家科技支撑计划基金;江苏省科技支撑计划基金;江苏省自然科学基金;江苏省博士后基金
论文部分内容阅读
采用有限元ANSYS软件建立离心式上充泵转子部件三维模型和划分有限元网格,分别对转子部件进行干态和湿态下的固有模态分析、两支承与三支承模态分析和临界转速计算.模态分析结果显示干态的基频228.37.41 Hz,湿态基频为253.40 Hz,湿态比干态基频提高10.96％;两支承时基频为72.63 Hz,比三支承降低了71.33％;临界转速计算结果为13702.5 r/min,与上充泵的实际额定转速为4500 r/min相比,高出204.48％,表明临界转速满足要求.
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