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Thermal Manikin of Infant

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DOI: 10.4236/eng.2019.1111048    139 Downloads   300 Views

ABSTRACT

Compared to an adult, an infant requires more consideration regarding the thermal environment so it is necessary to evaluate the thermal environment as it affects infants. However, experiments on infant subjects regarding their thermal environment based on the different heat balance of their body cannot ethically be conducted. We could instead consider using a thermal model for the human body, but thermal manikins based on heat transfer per unit area are rare. Therefore, this study aims to develop a thermal manikin to model the heat transfer per unit area and the body form of an infant in order to evaluate the infant’s thermal environment. When evaluating the thermal environment or heat balance of the body in the outside environment, it is essential to consider the asymmetry and unevenness of the temperature of the skin, as an element of the human body, and not just the unevenness and asymmetry of physical factors in the environment. Moreover, when receiving short wavelength direct solar radiation, light and shaded areas have significant differences in skin temperature. The following 20 body parts were investigated in the study: anterior head, posterior head, ventral trunk, dorsal trunk (including buttocks), right medial arm, right lateral arm, left medial arm, left lateral arm, right dorsal hand, right palmar hand, left dorsal hand, left palmar hand, right anterior leg, right posterior leg, left anterior leg, left posterior leg, right dorsal foot, right plantar foot, left dorsal foot, and left plantar foot. This paper measured the body surface area for each part of an infant’s body in order to establish the form of an infant model from the view of the heat transfer area, and verified the validity of the model.

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Kurazumi, Y. , Sakoi, T. , Yamashita, K. , Fukagawa, K. , Kondo, E. and Tsuchikawa, T. (2019) Thermal Manikin of Infant. Engineering, 11, 735-754. doi: 10.4236/eng.2019.1111048.

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