纬编针织物电磁屏蔽效能CST仿真分析

doi:10.11896/cldb.18070014

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Abstract In order to study the propagation law of electromagnetic wave in knitted fabric,the microstructure of weft-knitted fabric was modeled by SolidWorks software, and the simulation model was established by CST microwave studio. The finite integral method was adopted to compute the shielding effectiveness in 0—18 GHz range, including different conductivities, fabric structure, layer and direction of axial yarn and different incidence angles of electromagnetic wave. The result shows that the shielding effectiveness increases nonlinearly with the increase of the conductivity of the fabric. The electromagnetic wave incidence angle increase would cause the polarization effect of surface current density on the knitted fabric. The lining of multilayer axial conductive yarn can change the properties of knitted fabric effectively and the shielding efficiency is better. This simulation result has universal applicability and provides a theoretical basis for optimizing design of high performance flexible shielding knitted fabric.

Key words： knitted fabric shielding effectiveness structural model electromagnetic simulation

Published: 31 July 2019

CLC number:

TS101.8

Fund:This work was financially supported by the Tianjin Basic Scientific Research Business Support Project of Tianjin Polytechnic University (TJPU2K20170105), Scientific Research Plan Project of Tianjin Education Commission (2017KJ070), Science and Technology Commissioner Project of Tianjin Education Commission (18JCTPJC62500), Natural Science Foundation Projects of Tianjin (18JCYBJC86600), Key Projects of the Natural Science Foundation of Tianjin (18JCZDJC99900), College Students Innovation and Entrepreneurship Training Program of Tianjin (201810058054).

About author:: Tian Sun, graduate student of Textile College of Tianjin Polytechnic University under the supervision of Prof. Xiaoming Zhao. Her research has focused on fabric simulation of electromagnetic shielding.
Xiaoming Zhao, professor & Ph.D. supervisor of Textile College of Tianjin Polytechnic University, expert of Tianjin Thousand people Program, Secretary General of Special Textiles Branch of China Textile Industry Association, received Ph.D. degree in Heriot-Watt University, mainly engaged in the research on the performance of flexible protective materials. In the past five years, he has published more than 100 articles in important journals at home and abroad, and applied for more than 20 invention patents.

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	SUN Tian
	ZHANG Yiqu
	ZHAO Xiaoming
	QI Yexiong

Cite this article:

SUN Tian,ZHANG Yiqu,ZHAO Xiaoming, et al. CST Simulation Analysis of Electromagnetic Shielding Effectiveness of Weft-knitted Fabric[J]. Materials Reports, 2019, 33(18): 3130-3134.

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http://www.mater-rep.com/EN/10.11896/cldb.18070014 OR http://www.mater-rep.com/EN/Y2019/V33/I18/3130

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