Abstract
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 Icl of the stroller were determined. The stroller clothing area factor fcl was 3.21 and the stroller clothing thermal insulation Icl 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.
Highlights
IntroductionDue to the deterioration of the thermal environment of outdoor spaces caused by heat islands, health hazards and disorders of the human body may be increasing
It has been demonstrated that the effects of direct and reflected solar radiation are significant in outdoor spaces, and that the outdoor thermal environment has a strong effect on the thermal sensation and comfort of the human body [9] [10] [11] [12] [13]
Infants riding in strollers are close to the ground surface, and the effects of thermal radiation from the ground surface are relatively significant, giving rise to concerns of heat stroke and other heat-related disorders
Summary
Due to the deterioration of the thermal environment of outdoor spaces caused by heat islands, health hazards and disorders of the human body may be increasing. It has been demonstrated that shortwave solar radiation becomes significantly stronger as a factor of the thermal environment affecting the thermal environment evaluation index in outdoor spaces [7] [8]. It has been clarified that the influence of longwave thermal radiation from ground surface objects becomes stronger due to the combined influence of solar radiation, even if the shortwave solar radiation is blocked, and that this is a factor of the thermal environment that affects the thermal environment evaluation index [10] [11] [12] [13]. It is important to clarify this relationship with the physiological and psychological effect on the human body by quantifying the heat exchange from the environment to the body
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