流体机械Issue(1)：34-37,4.DOI:10.3969/j.issn.1005-0329.2016.01.008
水环真空泵临界转速的计算和有限元分析
Structure Design and Analysis of an Impeller for Water Ring Vacuum-pump
张一文 1高宏力 1毛润 1黄晓蓉 1李世超1
作者信息
摘要
Abstract
For the critical speed of rotating of liquid ring vacuum pump shaft system,this paper puts forward a effective method to calculate it on the basic of traditional algorithm.The calculation first converts ladder shaft into equivalent diameter shaft through the equivalent diameters and calculate the critical speed of rotating.The impeller equivalent to uniformly distributed load at the same time,the superposition principle is used to calculate the deflection,and the critical speed of rotating under wheel loading(re-gardless of the axle load)can be calculated.Finally using Dunkel lai equation to calculate the critical speed of the rotor system.At the same time,the modal analysis was carried out on the rotating mechanism using ANSYS Workbench software,analysis results show that the calculation result is correct.The calculation way can be a good solution for the critical speed of the rotor system of ladder shaft,especially for the actual situation of long length impeller rotor axial that cannot regard as concentrated load.关键词
水环真空泵/临界转速/叠加原理/Workbench/模态分析Key words
liquid ring vacuum pump/critical speed of rotation/superposition principle/workbench/modal analysis分类
机械制造引用本文复制引用
张一文,高宏力,毛润,黄晓蓉,李世超..水环真空泵临界转速的计算和有限元分析[J].流体机械,2016,(1):34-37,4.
