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SPECIAL TOPIC — 80th Anniversary of Northwestern Polytechnical University (NPU)
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SPECIAL TOPIC—80th Anniversary of Northwestern Polytechnical University (NPU) |
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Three-dimensional human thermoregulation model based on pulsatile blood flow and heating mechanism |
Si-Na Dang(党思娜), Hong-Jun Xue(薛红军), Xiao-Yan Zhang(张晓燕), Jue Qu(瞿珏), Cheng-Wen Zhong(钟诚文), Si-Yu Chen(陈思宇) |
Department of Fluid Mechanics, School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China |
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Abstract A three-dimensional thermoregulation mathematical model of temperature fluctuations for the human body is developed based on predecessors' thermal models. The following improvements are necessary in real situations:ellipsoids and elliptical cylinders are used to adequately approximate body geometry, divided into 18 segments and five layers; the core layer consists of the organs; the pulsation of the heart cycle, the pulsatile laminar flow, the peripheral resistance, and the thermal effect of food are considered. The model is calculated by adopting computational fluid dynamics (CFD) technology, and the results of the model match with the experimental data. This paper can give a reasonable explanation for the temperature fluctuations.
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Received: 26 June 2018
Revised: 30 September 2018
Accepted manuscript online:
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PACS:
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44.90.+c
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(Other topics in heat transfer)
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44.05.+e
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(Analytical and numerical techniques)
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44.10.+i
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(Heat conduction)
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05.70.Ce
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(Thermodynamic functions and equations of state)
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Fund: Project supported by the National Basic Research Program of China (Grant No. 2010CB734101) and the National Natural Science Foundation of China (Grant No. 51705332). |
Corresponding Authors:
Hong-Jun Xue
E-mail: xuehj@nwpu.edu.cn
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Cite this article:
Si-Na Dang(党思娜), Hong-Jun Xue(薛红军), Xiao-Yan Zhang(张晓燕), Jue Qu(瞿珏), Cheng-Wen Zhong(钟诚文), Si-Yu Chen(陈思宇) Three-dimensional human thermoregulation model based on pulsatile blood flow and heating mechanism 2018 Chin. Phys. B 27 114402
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