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工程设计学报
工程设计学报  2022, Vol. 29 Issue (1): 66-73    DOI: 10.3785/j.issn.1006-754X.2022.00.008
建模、仿真、分析与决策     
电磁微锻机构热效应模拟与实验研究
樊霄岳1, 刘启1, 官威2, 朱云1, 陈苏琳1, 沈彬1
1.上海交通大学 机械与动力工程学院， 上海 200240
2.沪东重机有限公司， 上海 200129
Simulation and experimental research on thermal effect of electromagnetic micro hammer peening mechanism
FAN Xiao-yue1, LIU Qi1, GUAN Wei2, ZHU Yun1, CHEN Su-lin1, SHEN Bin1
1.School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240, China
2.Hudong Heavy Machinery Co., Ltd., Shanghai 200129, China
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摘要： 为研究电磁微锻机构在工作过程中的温度分布情况以及提高其功率密度，首先，在现有电磁微锻机构的基础上，从能量角度对其热效应与输出功率的关系进行分析，明确了热效应会限制机构的最大输出功率。然后，利用COMSOL Multiphysics软件分别对风冷和水冷方式下电磁微锻机构的温度场进行CFD （computational fluid dynamics， 计算流体力学）仿真分析，确定了不同入口边界条件下的等效对流换热系数；同时，根据等效对流换热系数与入口边界条件的关系，建立了该机构的瞬态温度分析模型。最后，搭建了电磁微锻机构温度测量实验平台，并对该机构的温升特性和稳态温度特性进行了实验研究。实验结果表明，所提出的电磁微锻机构热效应仿真分析方法较为合理、准确，可为微锻机构的温度控制和结构优化提供参考。
关键词： 电磁微锻机构;  CFD仿真分析;  瞬态温度;  温升特性    
Abstract: In order to study the temperature distribution of the electromagnetic micro hammer peening mechanism in the working process and improve its power density, first of all, based on the existing electromagnetic micro hammer peening mechanism, the relationship between its thermal effect and output power was analyzed from the perspective of energy, and it was clarified that the thermal effect would limit the maximum output power of mechanism. Then, the CFD (computational fluid dynamics) simulation analysis of the temperature field of electromagnetic micro hammer peening mechanism under air-cooling and water-cooling mode was carried out by the COMSOL Multiphysics software, and the equivalent convective heat transfer coefficients under different inlet boundary conditions were determined; at the same time, according to the relationship between the equivalent convective heat transfer coefficient and the inlet boundary condition, a transient temperature analysis model for this mechanism was established. Finally, a temperature measurement experimental platform for the electromagnetic micro hammer peening mechanism was built, and the temperature rise characteristics and the steady-state temperature characteristics of the mechanism were experimentally studied. The experimental results showed that the proposed thermal effect simulation analysis method for the electromagnetic micro hammer peening mechanism was relatively reasonable and accurate, which could provide a reference for the temperature control and structure optimization of micro hammer peening mechanisms.
Key words: electromagnetic micro hammer peening mechanism    CFD (computational fluid dynamics) simulation analysis    transient temperature    temperature rise characteristics
收稿日期: 2021-01-19 出版日期: 2022-02-28
CLC:  TH 122  
基金资助: 国家科技重大专项（04专项）资助项目（2018ZX04011001）；国家国防科技工业局基础产品创新科研项目（DE0904）；上海航天科技创新基金资助项目（SAST2018-055）
通讯作者: 沈 彬（1982—），男，河南郑州人，副研究员，博士生导师，博士，从事智能制造和先进材料研究，E-mail：binshen@sjtu.edu.cn，https：//orcid.org/0000-0003-0723-9228     E-mail: binshen@sjtu.edu.cn
作者简介: 樊霄岳（1994—），男，陕西西安人，硕士生，从事智能制造、微锻技术和冷却系统设计等研究，E-mail：fxyfxyfxy1994@sjtu.edu.cn，https：//orcid.org/0000-0001-7443-7457；
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引用本文:

樊霄岳, 刘启, 官威, 朱云, 陈苏琳, 沈彬. 电磁微锻机构热效应模拟与实验研究[J]. 工程设计学报, 2022, 29(1): 66-73.

FAN Xiao-yue, LIU Qi, GUAN Wei, ZHU Yun, CHEN Su-lin, SHEN Bin. Simulation and experimental research on thermal effect of electromagnetic micro hammer peening mechanism[J]. Chinese Journal of Engineering Design, 2022, 29(1): 66-73.

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https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2022.00.008    或    https://www.zjujournals.com/gcsjxb/CN/Y2022/V29/I1/66

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