Measurement of temperature-dependent specific heat of biological tissues

被引:37
|
作者
Haemmerich, D
Schutt, DJ
dos Santos, I
Webster, JG
Mahvi, DM
机构
[1] Med Univ S Carolina, Dept Pediat Cardiol, Charleston, SC 29425 USA
[2] Univ Wisconsin, Dept Biomed Engn, Madison, WI 53706 USA
[3] Univ Brasilia, Dept Elect Engn, BR-70919970 Brasilia, DF, Brazil
[4] Univ Wisconsin, Dept Surg, Madison, WI 53792 USA
关键词
specific heat; measurement of specific heat; tissue specific heat measurement;
D O I
10.1088/0967-3334/26/1/006
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
We measured specific heat directly by heating a sample uniformly between two electrodes by an electric generator. We minimized heat loss by styrofoam insulation. We measured temperature from multiple thermocouples at temperatures from 25 degreesC to 80 degreesC while heating the sample, and corrected for heat loss. We confirm method accuracy with a 2.5% agar-0.4% saline physical model and obtain specific heat of 4121 +/- 89 J (kg K)(-1), with an average error of 3.1%.
引用
收藏
页码:59 / 67
页数:9
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