摘要
通过分析动量轮的结构、功能及实际工况,构建动量轮密封罩结构模型,其结构设计为1mm壁厚浅碟形密封罩。通过理论方法计算出浅碟形密封罩承受的临界强度,采用ANSYS软件分析了浅碟形动量轮密封罩壳顶有无飞轮轴支撑的特征值屈曲与非线性屈曲。结果表明:无飞轮轴支撑密封罩的非线性屈曲分析结果与理论值相近,且有飞轮轴时该临界值比无飞轮轴时大,验证了设计的1mm厚浅碟形动量轮密封罩能满足设计要求,可为同类产品的设计提供了参考。
Through analyzing the structural characteristics of the momentum wheel, function and actual working conditions, the structure model of the wheel seal cover was established. The structure was designed to be a discshaped seal cover with wall thickness of l mm. The critical strength of disc- shaped seal cover was calculated by theoretical methods. Through ANSYS software, it analyzed the characteristics of buckling and nonlinear buckling of a disc- shaped seal cover＇s shell roof with or without flywheel shaft. The results of the nonlinear buckling without flywheel shaft are close to the theoretical values. And the value of the model supported by flywheel shaft are greater than that lacking of flywheel shaft. It verified that the 1 mm-thick disc-shaped momentum wheel seal cover meets the design requirements, and provided the reference for the design of similar products.
出处
《莆田学院学报》
2016年第5期92-95,共4页
Journal of putian University
基金
福建省高校产学合作科技重大项目(2014H6021)
现代精密测量与激光无损检测福建省高校重点实验室项目(S20150401)
关键词
动量轮
密封罩
屈曲分析
数值模拟
momentum wheel
seal cover
buckling analysis
numerical simulation
