Influence of background magnetic field on the induced magnetic field and magneto-mechanical coupling effect of ferromagnets
WANG Zuoshuai1,2, ZUO Chao1,2, XIAO Hanchen1,2, WANG Yayu3, ZHOU Yunshu3
1. Hubei Key Laboratory of Marine Electromagnetic Detection and Control, Wuhan 430064; 2. Wuhan Second Ship Design and Research Institute, Wuhan 430064; 3. State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074
Abstract Under pressure, the magnetic field outside the ferromagnetic cavity is more complex under the influence of the background magnetic field, which reduces the accuracy of magnetic detection. Therefore, a comprehensive study of the influence of background magnetic fields on spatial magnetic fields is of great significance. In this paper, a magneto-mechanical coupling model for an oxygen tank is developed based on the improved Jiles-Atherton theory, and the composition of the spatial magnetic field is classified. The influence of the background magnetic field on each component of the spatial magnetic field is simulated and calculated. By establishing the relationship between the induced magnetic field and the background magnetic field, and analyzing the influence of the background magnetic field on the magneto-mechanical coupling effect under specified pressure, references are provided for the magnetic detection.
WANG Zuoshuai,ZUO Chao,XIAO Hanchen等. Influence of background magnetic field on the induced magnetic field and magneto-mechanical coupling effect of ferromagnets[J]. Electrical Engineering, 2025, 26(4): 13-19.
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2025, Vol. 26 
