CAJ | 학술논문

利用时域有限差分法研究了高空核电磁脉冲对方舱簧片屏蔽门的耦合效应，采用阶梯型结构等效了屏蔽门的弧形金属弹簧片，分析了电磁脉冲不同极化方向、入射角度以及簧片间距、刀片深度和门框填充材料对耦合效应的影响，研究表明：簧片屏蔽门对电磁脉冲具有较高的屏蔽效能，通过减小簧片间距，加大刀片插入深度和填充门框导电材料等方法可进一步提高簧片屏蔽门的屏蔽效能。计算结果为方舱屏蔽设计和电磁防护加固提供了理论参考。
이용시역유한차분법연구료고공핵전자맥충대방창황편병폐문적우합효응，채용계제형결구등효료병폐문적호형금속탄황편，분석료전자맥충불동겁화방향、입사각도이급황편간거、도편심도화문광전충재료대우합효응적영향，연구표명：황편병폐문대전자맥충구유교고적병폐효능，통과감소황편간거，가대도편삽입심도화전충문광도전재료등방법가진일보제고황편병폐문적병폐효능。계산결과위방창병폐설계화전자방호가고제공료이론삼고。
The ladder-type structure is made to equivalent to the curved metallic spring .The effect of electro-magnetic pulse coupled to the shielding door with metallic spring in shelter is studied using finite difference time-domain method .The influences of different polarization direction , incident angle , spring distance , blade depth and filling material to the coupling effect are analyzed in this paper .The calculation results indicate that the shielding effective of shielding door with metallic spring is quite high .The shielding effective can be ad-vanced by decreasing spring distance , increasing blade insertion depth and filling electrically conductive materi -als .The calculation results provide a theoretical reference for shield design and electromagnetic protection rein -forcement of shelter .