Nonlinear Analytical Model for Performance Prediction of Eddy Current Recoil Brake

被引:7
作者
Li, Jiahao [1 ,2 ]
Yang, Guolai [2 ]
Sun, Quanzhao [2 ]
Wang, Liqun [2 ]
机构
[1] China Jiliang Univ, Coll Mech & Elect Engn, Hangzhou 310018, Peoples R China
[2] Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing 210094, Peoples R China
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
Saturation magnetization; Electron tubes; Eddy currents; Analytical models; Atmospheric modeling; Air gaps; Integrated circuit modeling; Eddy current recoil brake (ECRB); equivalent current sheet (ECS); magnetic equivalent circuit (MEC); magnetic saturation; nonlinear analytical model; subdomain; MAGNETIC-FIELD; RETARDER; DESIGN;
D O I
10.1109/TEC.2022.3162256
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
In this paper, a nonlinear analysis model for predicting the performance of eddy current recoil brakes (ECRB) is proposed by combining the magnetic equivalent circuit (MEC) model and the subdomain model. The subdomain model introduces the equivalent region to improve the inherent shortcomings of the equivalent current sheet (ECS) method. The outer tube is divided into a magnetic saturated region and an unsaturated region in the subdomain model to simulate the magnetic saturation of the outer tube during recoil. The MEC model is applied to calculate the air gap magnetic flux density and the relative permeability of the equivalent region. Leakage flux and magnetic saturation are considered in the MEC model. The eddy current resistance of ECRB is calculated by the subdomain model. The model is verified by the finite element model, and it is able to predict the performance of ECRB with different structural parameters. In addition, the prototype of the ECRB was manufactured. A test was carried out on a 155 mm artillery to verify the accuracy of the proposed nonlinear analysis model.
引用
收藏
页码:1739 / 1751
页数:13
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