|
|
|
| A 3D Finite Element Thermal Model for Clothed Human Body |
| Fengzhi Li, Yi Li, Yang Wang |
|
|
|
|
Abstract A heat and moisture transfer model for the clothed human body is developed based on the 3-D scanning
data of the human body. The whole passive clothed human body system is subdivided into four sub-
systems which are the tissue system, the circulatory system, the respiratory system and the clothing
system. The physical process of the heat and moisture transfer in the each sub-system is described by
energy and mass balance equations. The Finite Element Method (FEM) is used to solve the governing
equations for each sub-system. For a multi-layer clothing sub-system, a simple solution scheme is given
by deˉning the air element. Also, the model is validated by comparing the simulation with experimental
results from the literature. Finally, the 3-D simulation results are shown. The conclusion shows that the
model has good prediction ability and it can be applied in the clothing design.
|
|
|
|
|
|
| Cite this article: |
|
Fengzhi Li,Yi Li,Yang Wang. A 3D Finite Element Thermal Model for Clothed Human Body[J]. Journal of Fiber Bioengineering and Informatics, 2013, 6(2): 149-160.
|
|
[1] Gagge, AP, Stolwijk JAJ, Nishi Y. An e甧ctive temperature scale based on a simple model of
human physiological regulatory response. ASHRAE Trans. 1971; 77: 247-262.
[2] Jones BW, Ogawa Y. Transient interaction between the human and the thermal environment.
ASHRAE Trans. 1992; 88: 189-195.
[3] Huizenga C, Zhang H, and Aregs E. A model of human physiology and comfort for assessing
complex thermal environments Building and Environment 2001; 36: 691-699.
[4] Fiala D, Havenith G, Br膐de P. et al., UTCI-Fiala multi-node model of human heat transfer and
temperature regulation. Int. J. Biometeorol. 2012; 56: 429-441.
[5] Pisikuta A, Fiala D, Laschewski G. et al., Validation of the Fiala multi-node thermophysiological
model for UTCI application. Int. J. Biometeorol. 2012; 56: 443-460.
[6] Smith CE. A transient, three-dimensional model of the human thermal system. PhD thesis, Kansas
State University, Kansas, 1991.
[7] Fu G. A transient, 3-D mathematical thermal model for the clothed human. PhD thesis, Kansas
State Univerisity, Kansas, 1995.
[8] Werner J, Buse M. Temperature pro痩es with respect to inhomogeneity and geometry of the human
body. J. Appl. Physiol. 1988; 65: 1110-1118.
[9] Fournet D, Ross L, Voelcker T. Body mapping of thermoregulatory and perceptual responses of
males and females running in the cold. J. Therm. Biol., 2013; 38: 339-344.
[10] Li Y, Luo ZX. An improved mathematical simulation of the coupled di畊sion of moisture and heat
in wool fabric. Textile Res. J. 1999; 69: 760-768.
[11] Li Y, Zhu QY. A model of coupled liquid moisture and heat transfer in porous textiles with
consideration of gravity. Numer. Heat Transfer Part A. 2003; 43: 510-523.
[12] Wang Z, Li Y, Zhu QY. Radiation and conduction heat transfer coupled with liquid water transfer,
moisture sorption and condensation in porous polymer materials. J. Appl. Polymer Sci. 2003; 89:
2780-2790.
[13] Li FZ, Li Y, Liu YX, Luo ZX. Numerical simulation of coupled heat and mass transfer in hygro-
scopic porous materials considering the in皍ence of atmospheric pressure. Numer. Heat Transfer
Part B. 2004; 45: 249-262.
[14] Li FZ, Li Y. E甧ct of clothing material on thermal responses of the human body. Modelling Simul.
Mater. Sci. Eng., 2005; 13: 809-827.
[15] Zhu QY, Xie MH, Yang J. et al., Investigation of the 3D model of coupled heat and liquid moisture
transfer in hygroscopic porous 痓rous media. Int. J. of Heat and Mass Transfer. 2010; 53: 3914-
3927.
[16] Hang XD, Sun W and Ye C. Finite volume solution of heat and moisture transfer through three-
dimensional textile materials. Comput. Fluids, 2012; 57: 25-39.
[17] Stolwijk JAJ, Hardy JD. Temperature regulation in man - a theoretical study. P皍gers Archiv.
Ges. Physiol. 1966; 291: 129-162.
[18] Umeno T, Houkoi S, Takada S. Prediction of skin and clothing temperatures under thermal tran-
sient considering moisture accumulation in clothing. ASHRAE Trans. 2001; 107: 71-81. |
|
|
|
2013, Vol. 6 
