|Table of Contents|

Information Acquisition Technique of Abnormal Heat Source in Biological Tissues

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2009年03期
Page:
379-382
Research Field:
Publishing date:

Info

Title:
Information Acquisition Technique of Abnormal Heat Source in Biological Tissues
Author(s):
ZHOU Min-huaCHEN Qian
School of Electronic Engineering and Optoelectronic Technology,NUST,Nanjing 210094,China
Keywords:
bio-heat transfer biological tissues surface temperature distribution finite element analysis heat source depth information acquisition
PACS:
Q65
DOI:
-
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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Last Update: 2012-11-19