[1]周敏华,陈钱.生物组织中异常热源信息获取方法[J].南京理工大学学报(自然科学版),2009,(03):379-382.
 ZHOU Min-hua,CHEN Qian.Information Acquisition Technique of Abnormal Heat Source in Biological Tissues[J].Journal of Nanjing University of Science and Technology,2009,(03):379-382.
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生物组织中异常热源信息获取方法
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2009年03期
页码:
379-382
栏目:
出版日期:
2009-06-30

文章信息/Info

Title:
Information Acquisition Technique of Abnormal Heat Source in Biological Tissues
作者:
周敏华;陈钱;
南京理工大学电子工程与光电技术学院, 江苏南京210094
Author(s):
ZHOU Min-huaCHEN Qian
School of Electronic Engineering and Optoelectronic Technology,NUST,Nanjing 210094,China
关键词:
生物传热 生物组织 表面温度分布 有限元分析 热源深度 信息获取
Keywords:
bio-heat transfer biological tissues surface temperature distribution finite element analysis heat source depth information acquisition
分类号:
Q65
摘要:
为通过相对简单的热传递模型建立表面温度分布与内部热源之间的关系,从生物传热理论出发,研究了内热源影响下的组织表面温度分布,实现了在表面温度分布已知的情况下得到内部热源的相关信息。基于傅里叶定律和能量守恒定律建立了具有内热源的组织导热微分方程,通过求解微分方程推导出组织表面温度分布与内部异常热源之间的组织传热模型,采用有限元分析方法对该模型进行模拟计算和数值分析。考虑了两种不同情况下的组织内部异常热源信息的获取,所得结果(1.64 cm、1.56 cm、1.55 cm和0.78 cm、1.64 cm、2.5
Abstract:
The surface temperature distribution affected by the inner heat source is researched from the bio-heat transfer theory.The relationship between the surface temperature distribution and the inner heat source is established by the relatively simple heat transfer model.The information of inner heat source by the surface temperature distribution is acquired.Based on the Fourier law and the law of energy conservation,the heat conduction differential equation of the isotropy tissue with inner heat source is established.By the solution of the equation,the expression of the relationship between the surface temperature distribution and the abnormal inner heat source is deduced.The model is simulatedly computed and numerically analysed by the finite element analysis.Two different cases of the information acquisition of abnormal heat source in tissues are considered.The results(1.64 cm,1.56 cm,1.55 cm and 0.78 cm,1.64 cm,2.55 cm) are quite closer to the depth of heat source(1.6 cm and 0.8 cm,1.6 cm,2.5 cm) estimated by the thermal texture mapping(TTM).The feasibility and accuracy of the model are validated.

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备注/Memo

备注/Memo:
作者简介: 周敏华( 1981- ), 女, 博士生, 主要研究方向: 生物传热研究, 红外医学成像, E-m a il:zmh700@ 126. com;
通讯作者: 陈钱( 1964- ), 男, 教授, 博士生导师, 主要研究方向: 光电信息探测与处理, 光电成像与实时图像处理, E-m a il:chenq@ m a i.njust. edu. cn。
更新日期/Last Update: 2012-11-19