Heat transfer through building envelope materials and their effect on indoor air temperatures in tropics

  • Wenny Arminda Architecture Program, Department of Infrastructure Technology and Regional, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Way Huwi, Kec. Jati Agung, Lampung Selatan, Lampung 3536
  • Maqbul Kamaruddin Architecture Program, Department of Infrastructure Technology and Regional, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Way Huwi, Kec. Jati Agung, Lampung Selatan, Lampung 3536
DOI: https://doi.org/10.35472/jsat.v5i2.630

Abstract

High thermal mass modern building materials are unsuitable to be used in the tropics due to their thermos-physical properties and the ability in absorbing solar radiation, storing and transferring heat into the building, affecting the high indoor air temperature, hence, reducing thermal comfort. However, due to the high demand for building, utilization of this material is avoidable. This study investigated the heat transfer through building envelope materials and their effect on the indoor air temperature of the building through field measurement using a thermal camera and a handle wind meter. The results found that the ceiling is the part of the building which gained the highest indoor surface temperature which reaches 38.6 °C at the apex point at 2pm but decreased significantly to 30.4 °C at 6 pm. Meanwhile, the inner of the northeast wall gained 33.1 °C at the peak temperature and stayed above 30 °C until 10 pm. The indoor air temperature of this unit housing was 36.3 °C at 2 pm with the temperature difference between outdoor and indoor was 2.5 °C. At night, the indoor air temperature was 3.8 °C higher than the outside temperature.

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Published
2021-10-12
How to Cite
ARMINDA, Wenny; KAMARUDDIN, Maqbul. Heat transfer through building envelope materials and their effect on indoor air temperatures in tropics. Journal of Science and Applicative Technology, [S.l.], v. 5, n. 2, p. 403-410, oct. 2021. ISSN 2581-0545. Available at: <https://journal.itera.ac.id/index.php/jsat/article/view/630>. Date accessed: 20 apr. 2024. doi: https://doi.org/10.35472/jsat.v5i2.630.
Citation Formats
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Vol 5 No 2 (2021): Journal of Science and Applicative Technology December Chapter
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Articles
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