Dual-phase-lag heat conduction analysis of a three-dimensional finite medium heated by a moving laser beam with circular or annular cross-section

被引：3
作者：
Chen, Kaiyuan [1 ,2 ]
Fan, Longkun [1 ,2 ]
Hu, Zhicheng [1 ,2 ]
Xu, Yixin [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Sch Math, Nanjing 211106, Peoples R China
[2] MIIT, Key Lab Math Modelling & High Performance Comp Air, Nanjing 211106, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL PLUS | 2024年 / 139卷 / 07期
基金：
中国国家自然科学基金;
关键词：
NUMERICAL-SIMULATION; STEADY-STATE; TEMPERATURE; LEQUATION;
D O I：
10.1140/epjp/s13360-024-05414-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper, we analyze the non-Fourier dual-phase-lag heat transfer process in a three-dimensional medium heated by a moving circular or annular laser beam, which is composed of a set of point heat sources in the cross-section. The analytical solution of the temperature distribution on the medium is established using Green's function approach and superposition principle. According to this solution, the temperature variation on the surface and inside of the medium is investigated. The results in comparison to that of Fourier's law show the effect of the phase lag parameters on the temperature distribution. In addition, the effects of laser spot size and laser moving speed on the temperature distribution are also discussed. The discovered properties would provide theoretical support for the practical application of the dual-phase-lag model in moving laser heat source problems.
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页数：16
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