Evaluation of Children’s Thermal Environment in Nursery School: Through the Questionnaire and Measurement of Wearable Sensors Approach

Xin Yuan and Yuji Ryu
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Xin Yuan: Faculty of Environmental Engineering, The University of Kitakyushu, Hibikino1-1, Wakamatsu-ku, Kitakyushu 808-0135, Japan
Yuji Ryu: Faculty of Environmental Engineering, The University of Kitakyushu, Hibikino1-1, Wakamatsu-ku, Kitakyushu 808-0135, Japan

IJERPH, 2022, vol. 19, issue 5, 1-19

Abstract: Due to psychological and physical differences, children are more vulnerable to the influence of the surrounding environment than adults. A nursery school in Japan was selected as the research object. The actual thermal environment of children aged 1 to 5 in the classroom was evaluated based on measured data in winter and summer. Through a questionnaire survey of nursery teachers, this paper analyzed and compared the relationship between teachers’ thermal adaptation behavior and children’s thermal sensation. Compared with the traditional fixed-points measurement method, a method of wearable sensors for children was proposed to measure the indoor temperature distribution. The traditional measurement results showed that 73% of classroom indoor temperatures and humidity do not meet the thermal comfort standard stipulated by the government. The method proposed in this paper indicates that: (1) nursery teachers’ thermal adaptation behavior may not be based on children’s thermal sensations; (2) solar radiation and weather context could lead to uneven indoor horizontal temperature distribution, hence, specific attention should be paid to the thermal environment when children move to the window side; and (3) the density of occupants causes the temperature around the human body to be relatively high. We suggest that teachers improve the thermal comfort of gathered children through thermal adaptive behaviors. The results of the study provide valuable information for nursery managers to formulate effective indoor thermal environment strategies from the perspective of children.

Keywords: children; indoor thermal environment; wearable sensor; adaptive comfort behavior (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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