铁质长旋转椭球壳体在均匀恒定磁场中产生的感应场

doi:10.11999/JEIT160683

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Abstract

The shape of the submarine is idealized as a rotation symmetrical long ellipsoid cavity in order to study the induced fields around the submarine. The expressions of the induced magnetic fields in inside and outside cavity are derived. The contour distributions of the total induced magnetic field and each component on the cavity along different latitudes, different location directions and different detection heights are analyzed and discussed by the analytical method under the uniform constant magnetic field. The calculation results indicate that the induced magnetic fields will gradually die down along with the increase of the propagation distance. The induced magnetic field is prominent along the cavity longitudinal direction (z component), while it is minimum along the cavity vertical direction (x component). The total induced magnetic field and each component detected by the magnetometer at middle latitude can be more easily detected than those at high latitude. While their detection ranges change very little along with the increase of the height. It can be more easily detected when the cavity is placed along the south and north direction.

Key words： Induced magnetic field Submarine Magnetometer Detection range

Received: 29 June 2016 Published: 24 February 2017

PACS:

TN011

Fund:

The National 863 Program of China (2015SQ712378, (2015SQ712220), China Electronics Technology Group Corporation National Key Laboratory Special Fund (A171501023)

Corresponding Authors: WANG Yuanxin E-mail: wyx781215@163.com

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	PENG Huaiyun
	WANG Yuanxin
	PAN Weiyan
	GUO Lixin
	ZHANG Hongqi
	CHEN Yu

Cite this article:

PENG Huaiyun,WANG Yuanxin,PAN Weiyan等. Induced Fields Produced on Iron Rotation Long Ellipsoid Cavity under Uniform Constant Magnetic Field[J]. JEIT, 2017, 39(5): 1250-1255.

URL:

http://jeit.ie.ac.cn/EN/10.11999/JEIT160683 OR http://jeit.ie.ac.cn/EN/Y2017/V39/I5/1250

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