Assessment of Indoor Thermal Comfort of Naturally Ventilated House in Tropical Region

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  • IQBAL Muhammad
    Graduate School of Human-Environment Studies, Kyushu University : Doctoral Program
  • OZAKI Akihito
    Faculty of Human-Environment Studies, Kyushu University
  • CHOI Younhee
    Faculty of Human-Environment Studies, Kyushu University

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Other Title
  • 熱帯地域における自然換気住宅の室内熱的快適性の評価

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Description

Even though the hot and humid conditions throughout the year, most Indonesian stay in a house that uses natural ventilation due to energy poverty and economic conditions. Commonly, they rely on natural ventilation by opening windows to achieve thermal comfort in the indoor environment. Therefore, an on-site survey and questionnaire were performed on more than 240 occupants and 115 naturally ventilated houses to investigate thermal comfort performance between two houses based on thermal sensation vote (TSV) and thermal comfort vote (TCV). In addition, some questions related to airflow scale, air freshness, thermal preference and body response are employed. The results present that type 1 is more comfortable than type 2. The study also reveals that the larger openings ratio is more acceptable than the few ones. Furthermore, this study confirms the adaptive behaviour where most occupants utilize the windows openings in the morning until noon and operate the fans during the night to modify indoor environment conditions to be more comfortable. Keywords: Naturally ventilated house, Indoor thermal comfort, Assessment, Tropical region

Journal

  • 都市・建築学研究

    都市・建築学研究 42 45-53, 2022-07-15

    Faculty of Human-Environment Studies, Kyushu University

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