Thermal Manikin of Infant

Kurazumi, Yoshihito; Sakoi, Tomonori; Yamashita, Ken; Fukagawa, Kenta; Kondo, Emi; Tsuchikawa, Tadahiro

doi:10.4236/eng.2019.1111048

Cited by 8 publications

(14 citation statements)

References 41 publications

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“…Kurazumi [49] with the measured body surface area of the infant model and clarified its validity as an infant model. The body surface area of each part of the infant model [34] is shown in Table 1. The combinations of infant clothing by season are shown in Figure 2.…”

Section: Measurement Planmentioning

confidence: 99%

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Clothing Area Factor for Typical Seasonal Clothing of Infant

Kurazumi¹,

Fukagawa²,

Sakoi³

et al. 2021

Health

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It is not ethical to conduct experiments on infants regarding the thermal environment. Therefore, to examine the thermal environment of infants, experiments and simulations using a human body thermal model may be feasible by clarifying the human body coefficient values of infants. When focusing on the heat transfer area of the infant's body coefficient values, the body surface area and solar radiation area factor have only been clarified as the standard. The essential basic data for examining the thermal environment of infants have not been sufficiently obtained. Therefore, the purpose of this study was to determine the clothing area factor for infants' clothing in a typical season. The clothing area factor of infants clothed in summer, mid-season, and winter clothing was measured using a photographic method. The clothing area factor was 1.22, 1.42, and 1.90 for summer, mid-season, and winter clothing, respectively, indicating a significant seasonal difference. It was also found that the clothing area factor was significantly greater for infants than for adults.

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Section: Measurement Planmentioning

confidence: 99%

“…From this perspective, Kurazumi et al [34] developed a thermal manikin of an infant based on heat transfer area. However, sufficient analysis and countermeasures are not yet developed.…”

Section: Introductionmentioning

confidence: 99%

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Clothing Area Factor for Typical Seasonal Clothing of Infant

Kurazumi¹,

Fukagawa²,

Sakoi³

et al. 2021

Health

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“…is not apparent. Fukagawa et al [17] and Kurazumi et al [18][19][20] consider a landscape of thick vegetation with a high green factor to have a strong feeling of confinement, which makes it somewhat hot and somewhat uncomfortable thermal environment due to the sense of stagnation. In this study too, it can be conjectured that thermal sensation increased due to the influence of the green factor enhancing this sense of confinement.…”

Section: Resultsmentioning

confidence: 99%

Thermal environment mitigation effects in suburban area

et al. 2019

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The purpose of this paper is to clarify the relationship between the physiological and psychological responses of the human body and the outdoor environment evaluation index ETFe (enhanced conductioncorrected modified effective temperature). The experiments were carried out in summer. For the measurements, observation points were selected with consideration for the condition of the ground surface such as bare ground where the surface is gravel or soil; paved ground such as concrete, asphalt or blocks; green areas covered in plants and water surfaces and with consideration for the condition of the sky factor due to buildings or trees. 19 observation points were chosen. Subjects were 38 healthy young. ETFe that was considered to report neither hot nor cold, thermally neutral sensation, was 30.6°C. ETFe that was considered to report neither comfortable nor uncomfortable comfort was 35.5°C. It was considered that the threshold for the human body with regards to thermal environment stimuli in an outdoor space is higher than the thermal environment stimuli in a summer indoor space.

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“…From this perspective, Kurazumi et al [19] have developed a thermal manikin of an infant based on heat transfer area. Infant body coefficient values are indispensable for the control of an infant thermal manikin.…”

Section: Introductionmentioning

confidence: 99%

Influence of Stroller upon Thermal Insulation of Infant

Kurazumi¹,

Fukagawa²,

Sakoi³

et al. 2021

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In outdoor spaces, infants in strollers are significantly affected by thermal radiation from the ground surface due to their proximity to it. Infants are at increased risk of heat stroke while riding in a stroller. Infants are less thermally adapted to their environment and can consequently be considered to need protective measures against thermal environments. In order to treat strollers as clothing, in the present study, experiments were conducted to clarify the thermal environment of an infant riding in a stroller. Using an infant thermal manikin, the clothing area factor fcl and the clothing thermal insulation I cl of the stroller were determined. The stroller clothing area factor fcl was 3.21 and the stroller clothing thermal insulation I cl was 0.47 clo. Therefore, it can be inferred that strollers have a pronounced effect on the body heat balance between an infant and their environment.

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Thermal Manikin of Infant

Cited by 8 publications

References 41 publications

Clothing Area Factor for Typical Seasonal Clothing of Infant

Clothing Area Factor for Typical Seasonal Clothing of Infant

Thermal environment mitigation effects in suburban area

Influence of Stroller upon Thermal Insulation of Infant

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