不同材料储能飞轮应力特性分析及研究

doi:10.12028/j.issn.2095-4239.2019.0106

储能科学与技术 ›› 2019, Vol. 8 ›› Issue (6): 1235-1240.doi: 10.12028/j.issn.2095-4239.2019.0106

不同材料储能飞轮应力特性分析及研究

苏芳, 王晨升, 赵海燕, 雷美荣

山西大同大学机电工程学院, 山西大同 037003

收稿日期:2019-05-27 修回日期:2019-07-19 出版日期:2019-11-01 发布日期:2019-11-01
通讯作者: 苏芳(1986-),女,硕士,讲师,主要研究方向为机械动力学,E-mail:13934761850@126.com。
作者简介:苏芳(1986-),女,硕士,讲师,主要研究方向为机械动力学,E-mail:13934761850@126.com。
基金资助:
大同市重点研发计划项目（2018-022），大同市平台基地项目（2017-159）。

Analysis of stress characteristics of energy storage flywheel with different materials

SU Fang, WANG Chensheng, ZHAO Haiyan, LEI Meirong

College of Mechanical and Engineering, Shanxi Datong University, Datong 037003, Shanxi, China

Received:2019-05-27 Revised:2019-07-19 Online:2019-11-01 Published:2019-11-01

摘要/Abstract

摘要： 为了解储能飞轮的应力特性，进而对其结构进行设计及优化，基于Workbench考虑多因素对其进行有限元对比分析研究。对给定速度的7075铝合金飞轮应力分布、不同转速下7075铝合金飞轮应力特性和不同材料的飞轮应力变化规律分别进行有限元分析研究。结果表明：7075铝合金材料飞轮在15000 r/min转速下最大径向应力出现在内壁，向外逐渐减小，最大值为243.42 MPa，最大环向应力出现在飞轮轮缘与轮盘交汇处，最大值为122.61 MPa。随着转速增大，应力值也增大，最大应力值位置未发生变化，相同转速下，7075铝合金作为飞轮材料优于其他3种合金材料。研究结果可为储能飞轮的结构设计及优化提供参考。

关键词: 储能飞轮, Workbench, 径向应力, 环向应力

Abstract: A finite element model of energy storage flywheel was established in order to obtain the stress characteristics and to optimize its structure. The stress characteristics analyses of the aluminum alloy (7075) flywheel at a given speed, at different rotational speed, and with different materials were carried out based on Workbench. The results showed that the maximum radial stress appeared on the inner wall of aluminum alloy (7075) flywheel at a rotational speed of 5000 r/min and gradually decreased outwardly, with a maximum value of 27.047 MPa. The maximum circumferential stress appeared at the intersection of the flywheel flange and the wheel disc, with a maximum value of 13.623 MPa. With the increase of rotational speed, the stress value also increases, but the position of the maximum stress does not change. At the same speed, aluminum alloy (7075) is superior to the other three alloys as flywheel material. The research results can provide important reference for the design and optimization of energy storage flywheel structure.

Key words: energy storage flywheel, Workbench, radial stress, circumferential stress

中图分类号:

TH133.7

苏芳, 王晨升, 赵海燕, 雷美荣. 不同材料储能飞轮应力特性分析及研究[J]. 储能科学与技术, 2019, 8(6): 1235-1240.

SU Fang, WANG Chensheng, ZHAO Haiyan, LEI Meirong. Analysis of stress characteristics of energy storage flywheel with different materials[J]. Energy Storage Science and Technology, 2019, 8(6): 1235-1240.

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不同材料储能飞轮应力特性分析及研究

Analysis of stress characteristics of energy storage flywheel with different materials

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