人体腿部四层结构的红外热成像有限元分析

刘宏岩; 孙强

doi:10.3788/CO.20181102.0237

Volume 11 Issue 2

Apr. 2018

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Chinese Optics > 2018 > 11(2): 237-247.

LIU Hong-yan, SUN Qiang. Finite element analysis of infrared thermal imaging for four-layers structure of human thigh[J]. Chinese Optics, 2018, 11(2): 237-247. doi: 10.3788/CO.20181102.0237

Citation:

LIU Hong-yan, SUN Qiang. Finite element analysis of infrared thermal imaging for four-layers structure of human thigh[J]. Chinese Optics, 2018, 11(2): 237-247. doi: 10.3788/CO.20181102.0237

LIU Hong-yan, SUN Qiang. Finite element analysis of infrared thermal imaging for four-layers structure of human thigh[J]. Chinese Optics, 2018, 11(2): 237-247. doi: 10.3788/CO.20181102.0237

Citation:

LIU Hong-yan, SUN Qiang. Finite element analysis of infrared thermal imaging for four-layers structure of human thigh[J]. Chinese Optics, 2018, 11(2): 237-247. doi: 10.3788/CO.20181102.0237

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Finite element analysis of infrared thermal imaging for four-layers structure of human thigh

doi: 10.3788/CO.20181102.0237

LIU Hong-yan^{1, 2
,},
SUN Qiang^{1, 2
,
,}

1.
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China

More Information

Corresponding author: SUN Qiang, E-mail:sunq@ciomp.ac.cn
Received Date: 08 Nov 2017
Rev Recd Date: 13 Jan 2018
Publish Date: 01 Apr 2018

Abstract

Abstract

To investigate the relevancy of infrared thermal imaging and tumors inside human body, the finite element model of human thigh with four-layers, including bone, muscle, fat and skin layers, is established in this paper. Based on the characteristic that temperature varies along radial direction inside the body, the heat generation rate of blood perfusion as a function of polar radius in each layer is given. By this method the nonlinear problem of temperature-dependence of the heat generation rate of blood perfusion in finite element analysis is solved. Then the temperature distributions caused by the inside tumor with different sizes and at different depths are numerically calculated by finite element analysis. It can be concluded that in the given range of tumor diameters a smaller tumor yields larger temperature increases inside the body, higher peak temperature and narrower FWHM(Full Width at Half Maximum) of the temperature distribution on the skin surface. It is also shown that with specific diameter, tumors located deeper yield higher peak temperature inside the body, and lower peak temperature and wider FWHM on the skin surface.
- finite element analysis (FEA),
- infrared optics,
- heat transfer analysis,
- infrared medical imaging

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References(23)

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