| 纵摇低磁舰船的涡流磁场计算 |
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| 引用本文： | 王军民,朱显桥.纵摇低磁舰船的涡流磁场计算[J].舰船科学技术,2010,32(3):49-53. |
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| 作者姓名： | 王军民 朱显桥 |
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| 作者单位： | 海军工程大学,电气与信息工程学院,湖北,武汉,430033 |
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| 摘 要： | 低磁材料舰船的磁性防护要求高,其中摇摆产生的涡流磁场占总磁场的比例很大,正确分析其涡流磁场具有重要意义。以低磁旋转椭球壳作为船体模型,从涡流磁场的电磁场方程及涡流密度的边值问题出发,建立了地磁场中纵摇旋转椭球壳涡流磁场的数学模型,利用分离变量法对涡流电流进行了求解,从而根据毕奥-萨伐定律推导出旋转椭球壳纵摇至任意角度产生的涡流磁场,为低磁钢壳体舰船纵摇的涡流磁场分析论证提供了理论基础。
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| 关 键 词： | 舰船 电磁场 涡流 旋转椭球壳 |
Calculation of the eddy current magnetic field of ship with weak magnetism waving lengthways |
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| WANG Jun-min,ZHU Xian-qiao.Calculation of the eddy current magnetic field of ship with weak magnetism waving lengthways[J].Ship Science and Technology,2010,32(3):49-53. |
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| Authors: | WANG Jun-min ZHU Xian-qiao |
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| Institution: | College of Electrical and Information Engineering;Naval University of Engineering;Wuhan430033;China |
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| Abstract: | To the ship with weak magnetic field,the demand on degaussing is very strict. In all the fields of that ship,the eddy current magnetic field plays important role,therefore it is very important to analyze the eddy current magnetic field of ships with weak magnetic field. The ellipsoid shell with weak magnetic field is used as the model of ships. Based on the electromagnetic field equation of eddy current and the boundary-value problem of eddy current density,the mathematics model of the eddy current produced... |
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| Keywords: | ships electromagnetic field eddy current ellipsoid shell |
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