摘要
大型通风机的结构设计应满足强度、刚度、稳定性和动力响应等诸多限制条件。为节省材料、降低成本,提高市场竞争力,风机的质量不能过大。本文提出了带加强筋板的大型风机定子减重优化设计方法。采用结构优化的设计方法,以机壳厚度、筋板高度和筋板厚度为设计变量,考虑应力、位移、稳定性等约束,通过敏感性分析,给出了机壳减重设计的主要途径,以及安全可行的机壳减重设计方案。
The design of large fans should meet the requirements with respect to strength,stiffness,stability,dynamic response,etc.The weight of large fans should be minimized in order to reduce the material cost.A design optimization method for the weight reduction of a stator with a stiffening slab for large centrifugal fans is proposed in this paper.The design variables are chosen to be the thickness of the casing as well as the thickness and height of the stiffening slabs.The constraints for the stress,displacement and stability are considered.The finite element method is employed for the sensitivity analysis of constraints with respect to the design variables.All details of the weight-reduction design are explained such that the design method can be applied for stators of large fans.
作者
郭婷
刘志超
王跃方
Ting Guo;Zhi-chao Liu;Yue-fang Wang(Shenyang Blower Works Group Corporation;SBW Research Institute of Collaborative Innovation Center of Major Machine Manufacturing in Liaoning;State Key Lab of Structural Analysis for Industrial Equipment)
出处
《风机技术》
2017年第2期23-28,共6页
Chinese Journal of Turbomachinery
基金
辽宁省重大科技创新重大专项项目(201303002)
辽宁省科学技术计划优秀人才培养项目(2014028004)
关键词
通风机
定子
优化
减重
fan
stator
optimization
weight reduction
