激光辐照材料表面非Fourier热传导问题的半解析解

  • 张丽静 ,
  • 尚新春
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张丽静(1973—),女,山西大同人,北京科技大学讲师,主要从事应用数学及热力耦合问题的研究. E-mail:zhanglij@ustb.edu.cn

收稿日期: 2016-04-27

  网络出版日期: 2016-09-25

基金资助

爆炸科学重点实验室开放基金资助项目(KFJJ12-12M);国家自然科学基金资助项目(10772024)

Semi-analytic solution of the non-Fourier thermal propagation on the surface of material irradiated by laser beam

  • ZHANG Lijing ,
  • SHANG Xinchun
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  • School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China

Received date: 2016-04-27

  Online published: 2016-09-25

摘要

针对有较长热驰豫时间的材料在表面受到激光脉冲照射时的非Fourier热传导问题,利用Laplace、Hankel变换及其逆变换,给出了一个半解析解.数值仿真表明,该半解析解能够清晰显示非Fourier热传导问题中的热波现象.

本文引用格式

张丽静 , 尚新春 . 激光辐照材料表面非Fourier热传导问题的半解析解[J]. 河北大学学报(自然科学版), 2016 , 36(5) : 449 -454 . DOI: 10.3969/j.issn.1000-1565.2016.05.001

Abstract

The non-Fourier model of heat transfer as a laser pulse irritating on surface of material with large thermal relaxation time is considered.A new semi-analytic solution is derived by using Laplace,Hankel and their inverse transforms.By numerically simulating the solution,the wave form behavior of temperature can be seen clearly.

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