金属/介质涂覆的S形扩压器电磁散射特性

王龙; 钟易成; 张堃元

doi:10.7498/aps.61.234101

摘要

进气道作为飞机强散射源之一,准确评估其雷达散射截面(RCS)特性一直是当今计算电磁学的研究热点. 研究了一种加入阻抗边界条件、前后向迭代的迭代物理光学法,提出一种盒体分割法用于处理几何消隐工作. 通过软件开发实现任意金属/介质腔体RCS特性评估,并用相关算例校验软件准确性. 在此基础上应用该软件对金属/涂敷介质矩形S弯扩压5器进行数值模拟,获得了扩压器在入射波长0.03 m下的RCS变化规律.改进后的迭代物理光学法适用于任意腔体改型和涂敷吸波材料研究,缩短设计周期.

关键词:

Abstract

As one of strong scattering sources of planes, assessing accurately the characteristic of radar cross-section (RCS) about inlets is still hot in investigation into computational electromagnetics. An iterative physical optics method, which an impedance boundary condition and forward-backward method are added to, is studied and a box-segmentation method of blanking off is proposed. It can compute accurately the electric magnetic current distribution on the wall and the RCS. What is more, by developing a kind of software which can be verified by the relevant examples, the RCS characteristic of any metal or dielectric cavity can be evaluated. On this basis, using the software, the numerical simulation about the metal/coated medium S-diffuser with rectangular shape is carried out, and the RCS variational regulation of diffuser under an incident wave length in 0.03 m is obtained. The improved iterative physical optics method is applicable to the design of any cavity and the study of coating absorbing materials, therefore the design cycle is shortened.

Keywords:

作者及机构信息

1.
南京航空航天大学能源与动力学院, 南京 210016

基金项目: 成都飞机设计所联合基金资助的课题.

Authors and contacts

1.
College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Funds: Project supported by the Jointly Fund of AVIC Chengdu Aircraft Design and Research Institute.

参考文献

[1]	Wang H Q, Cheng X Q 2003 Materials Review 9 170 (in Chinese) [王海泉, 陈秀琴 2003 材料导报 9 170]
[2]	Zhang W D, Feng X Y, Meng X L 2000 Aerospace Materials and Technology 3 1 (in Chinese) [张卫东, 冯晓云, 孟秀兰 2003 宇航材料工艺 3 1]
[3]	Shi L, Guo R W 2007 Acta Aeronautica et Astronautica Sinica 28 1296 (in Chinese) [石磊, 郭荣伟 2007 航空学报 28 1296]
[4]	Shi L, Guo R W 2008 Acta Aeronautica et Astronautica Sinica 29 1098 (in Chinese) [石磊, 郭荣伟 2008 航空学报 29 1098]
[5]	Obelleiro-Basteiro F, Rodriguez J L, Burkholder R J 1995 IEEE Trans. Antennas Propagat. 43 356
[6]	Araújo M G, Obelleiro F, Rodriguez J L 2002 Wireless Personal Communications 20 237
[7]	Obelleiro F, Araujo M G, Rodriguez J L 2001 Micro. Opt. Tech. Lett. 28 21
[8]	Burkholder R J, Lundin T 2005 IEEE Trans. Antennas Propagat 53 793
[9]	Holliday D, de Raad L L, St-Cyr G J 1996 IEEE Trans. Antennas Propagat 44 722
[10]	Tadokoro M, Hongo K 2002 IEICE Trans. Electron. 85 1692
[11]	Barth T J 1993 Aerospace Sciences Meeting and Exhibit, 31st, Reno, NV, Jan. 11-14, 1993 668
[12]	Barth T J, Samuel W L 1995 Aerospace Sciences Meeting and Exhibit, 33rd Reno, NV, Jan. 9-12, 1995 p221
[13]	Henmon R, Pouliguen P, He H, Saillard J, Damiens J F 2008 IEEE Trans. Progress in Electromagnetic Research 80 77
[14]	Wu Q, Zhong Y C, Hu J, Yu S Z 2009 IEEE Asia-Pacific Power and Energy Engineering Conference Wuhan, China, Mar. 28-30, 2009 p839
[15]	Wu Q, Zhong Y C, Yu S Z, Hu J 2009 Chinese Journal of Computational Physics 26 60 (in Chinese) [吴晴, 钟易成, 余少志, 胡骏 2009 计算物理 26 60]
[16]	Gong Y M 2008 Journal of Magnetic Materials and Devices 6 28 (in Chinese) [巩英明 2008 磁性材料与器件 6 28]
[17]	He S, Xiong K M 1993 Journal of Aeronautical Materials 14 43 (in Chinese) [何山, 熊克敏 1993 航空材料学报 14 43]

施引文献

[1]	Wang H Q, Cheng X Q 2003 Materials Review 9 170 (in Chinese) [王海泉, 陈秀琴 2003 材料导报 9 170]
[2]	Zhang W D, Feng X Y, Meng X L 2000 Aerospace Materials and Technology 3 1 (in Chinese) [张卫东, 冯晓云, 孟秀兰 2003 宇航材料工艺 3 1]
[3]	Shi L, Guo R W 2007 Acta Aeronautica et Astronautica Sinica 28 1296 (in Chinese) [石磊, 郭荣伟 2007 航空学报 28 1296]
[4]	Shi L, Guo R W 2008 Acta Aeronautica et Astronautica Sinica 29 1098 (in Chinese) [石磊, 郭荣伟 2008 航空学报 29 1098]
[5]	Obelleiro-Basteiro F, Rodriguez J L, Burkholder R J 1995 IEEE Trans. Antennas Propagat. 43 356
[6]	Araújo M G, Obelleiro F, Rodriguez J L 2002 Wireless Personal Communications 20 237
[7]	Obelleiro F, Araujo M G, Rodriguez J L 2001 Micro. Opt. Tech. Lett. 28 21
[8]	Burkholder R J, Lundin T 2005 IEEE Trans. Antennas Propagat 53 793
[9]	Holliday D, de Raad L L, St-Cyr G J 1996 IEEE Trans. Antennas Propagat 44 722
[10]	Tadokoro M, Hongo K 2002 IEICE Trans. Electron. 85 1692
[11]	Barth T J 1993 Aerospace Sciences Meeting and Exhibit, 31st, Reno, NV, Jan. 11-14, 1993 668
[12]	Barth T J, Samuel W L 1995 Aerospace Sciences Meeting and Exhibit, 33rd Reno, NV, Jan. 9-12, 1995 p221
[13]	Henmon R, Pouliguen P, He H, Saillard J, Damiens J F 2008 IEEE Trans. Progress in Electromagnetic Research 80 77
[14]	Wu Q, Zhong Y C, Hu J, Yu S Z 2009 IEEE Asia-Pacific Power and Energy Engineering Conference Wuhan, China, Mar. 28-30, 2009 p839
[15]	Wu Q, Zhong Y C, Yu S Z, Hu J 2009 Chinese Journal of Computational Physics 26 60 (in Chinese) [吴晴, 钟易成, 余少志, 胡骏 2009 计算物理 26 60]
[16]	Gong Y M 2008 Journal of Magnetic Materials and Devices 6 28 (in Chinese) [巩英明 2008 磁性材料与器件 6 28]
[17]	He S, Xiong K M 1993 Journal of Aeronautical Materials 14 43 (in Chinese) [何山, 熊克敏 1993 航空材料学报 14 43]

姓名
邮箱
手机号码
标题
留言内容
验证码

搜索

留言板