子どもをもつ家庭の冷房使用実態調査に関する研究 -住まい方と冷暖房負荷の検討-

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This paper aims at understanding what constitutes a healthy, comfortable, and energy-saving thermal environment in families with children. The author, using a software tool, initially simulated the annual thermal conditions and compared the energy-saving conditions with regard to both heat and cooling loads by reducing the set-up degrees of temperatures, and saw that the saving rate of heat loads was higher than that of the cooling loads. In the present study, the author focuses on the cooling loads since children are generally subject to their parents' and elderly family members' cooling management. In 2009 the researcher distributed a questionnaire to collect data about the use of air conditioners during summer. Analysis of the responses, from 657 families with children in Kanagawa and Tokyo, revealed the following:1.Grownups were less able to bear heat than children, and were likely to switch on the air conditioner immediately when they felt hot.2.About 50% of the families opened their windows when hot.3.Approximately 75% of the families answered that they had thought of refraining from using the air conditioner. Among them, 40% did not use it in the morning and also 40% did not use it at night. Likewise they had fixed hours when they did not use the air conditioner.4.Through factor analyses the researcher determined that four factors accounted for why people refrain from using air conditioners. The analyses also revealed that concern about their children's health was one of the primary factors in families deciding not to use their air conditioners.5.There were no correlation between the number of days families used their air conditioners and the reasons why they refrained from using their air conditioners. The author hopes to create optimal thermal management design through more exact and comprehensive measurements of the thermal environment of families with children.
2011-07-01

子どもをもつ家庭の冷房使用実態調査に関する研究 -住まい方と冷暖房負荷の検討-

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