太赫兹波在船舶防护涂层系统的传播特性研究

系统仿真学报 ›› 2016, Vol. 28 ›› Issue (1): 19-26.

太赫兹波在船舶防护涂层系统的传播特性研究

涂婉丽^1,2,3, 钟舜聪^1,3, 周卿², 姚立纲^1,3

1.福州大学机械工程及自动化学院,福建福州 350108;
2.集美大学轮机工程学院,福建厦门 361021;
3.海洋工程装备设计制造福建省高校工程研究中心,福建福州 350108

收稿日期:2014-07-29 修回日期:2014-09-28 发布日期:2020-07-02
通讯作者: 钟舜聪(1976-), 男, 漳州, 研究员,博导, 研究方向为光学、太赫兹及无损定量评价等。
作者简介:涂婉丽(1982-), 女, 泉州, 博士生, 讲师, 研究方向为太赫兹无损检测和评估技术, 机电检测技术等;
基金资助:
福建省杰出青年基金滚动项目(2014J07007); 福建省教育厅资助科技项目(JA13180)

Computed Terahertz Wave Propagation in Marine Protective Coating

Tu Wanli^1,2,3, Zhong Shuncong^1,3, Zhou Qing², Yao Ligang^1,3

1. School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350108, China;
2. Marine Engineering Institute, Jimei University, Xiamen 361021, China;
3. Fujian University Engineering R&D Centre for Design and Manufacturing of Marine Engineering Equipment, Fuzhou 350108, China;

Received:2014-07-29 Revised:2014-09-28 Published:2020-07-02

摘要/Abstract

摘要： 基于有限时域差分法研究太赫兹波在船舶防护涂层系统的传播特性。建立了太赫兹波在船舶防护涂层系统的脉冲检测模型,并进行了涂层系统中无缺陷和有缺陷情况的仿真研究。对多层结构涂层中各涂层厚度进行定量分析,并对涂层中存在的气孔、涂层氧化物等缺陷进行诊断分析。仿真结果表明,有限时域差分模型为基于太赫兹脉冲成像的船舶防护涂层系统的无损检测和评估提供理论支撑,有利于提供及时有效的维护措施以及涂层设计具有借鉴作用。

关键词: 船舶防护涂层, 多层结构, 有限时域差分法, 太赫兹, 无损检测和评价

Abstract: The propagation of terahertz radiation in marine protective coatings was investigated based on Finite-difference time-domain method. The theoretical framework using terahertz waves for the detection of marine protective coatings was established; also, both intact and defected coating system were modelled and analyzed. The reflected radiation properties were recorded for quantitative characterisation of marine protective coating thickness. Furthermore, diagnostic analysis was done for the defects of the coating system, such as bubbling and oxidation of rust. The Finite-difference time-domain model provides some theoretical basis for nondestructive testing and evaluation of marine protective coating system by terahertz pulsed imaging technology and will benefit the effective maintenance to avoid coating failure and for protective coating design.

Key words: marine protective coatings, multilayered structures, finite-difference time-domain method, terahertz, nondestructive testing and evaluation

中图分类号:

TL214+.6

涂婉丽, 钟舜聪, 周卿, 姚立纲. 太赫兹波在船舶防护涂层系统的传播特性研究[J]. 系统仿真学报, 2016, 28(1): 19-26.

Tu Wanli, Zhong Shuncong, Zhou Qing, Yao Ligang. Computed Terahertz Wave Propagation in Marine Protective Coating[J]. Journal of System Simulation, 2016, 28(1): 19-26.

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