期刊
JOURNAL OF THERMAL BIOLOGY
卷 47, 期 -, 页码 26-31出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jtherbio.2014.11.004
关键词
Unconstrained measurement; Deep body temperature; Transcutaneous thermometer; Daily healthcare; Ubiquitous monitoring; Dual-heat-flux method
资金
- Keihanna Science City Healthcare Project of the Ministry of Education, Culture, Sports, Science and Technology, Japan
To help pave a path toward the practical use of continuous unconstrained noninvasive deep body temperature measurement, this study aims to evaluate the structural and thermophysical effects on measurement accuracy for the dual-heat-flux method (DHFM). By considering the thermometer's height, radius, conductivity, density and specific heat as variables affecting the accuracy of DHFM measurement, we investigated the relationship between those variables and accuracy using 3-D models based on finite element method. The results of our simulation study show that accuracy is proportional to the radius but inversely proportional to the thickness of the thermometer when the radius is less than 30.0 mm, and is also inversely proportional to the heat conductivity of the heat insulator inside the thermometer. The insights from this study would help to build a guideline for design, fabrication and optimization of DHFM-based thermometers, as well as their practical use. (C) 2014 Elsevier Ltd. All rights reserved.
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