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All Journal Mintakat: Jurnal Arsitektur JOURNAL OF QUR'AN AND HADITH STUDIES Nature: National Academic Journal of Architecture SUHUF: Jurnal Pengkajian Al-Qur'an dan Budaya Al-Fath Hermeneutik : Jurnal Ilmu Al-Qur'an dan Tafsir BUANA GENDER : Jurnal Studi Gender dan Anak Jurnal Teknologi dan Rekayasa Sumber Daya Air Khazanah Informatika : Jurnal Ilmu Komputer dan Informatika
Hakim, Muhammad Naufal
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Journal : Nature: National Academic Journal of Architecture

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Efek Ventilasi Void terhadap Pendinginan Fisiologis dan Konsentrasi CO2 pada Bangunan Kos di Iklim Tropis Lembab Hakim, Muhammad Naufal; Ekasiwi, Sri Nastiti Nugrahani; Samodra, FX Teddy Badai
Nature : National Academic Journal of Architecture Vol 12 No 1 (2025): June
Publisher : Department of Architecture, Faculty of Science and Technology, Alauddin State Islamic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/nature.v12i1a2

Abstract

Vertical voids can enhance the performance of natural ventilation, improving physiological cooling and indoor air quality (IAQ), particularly in boarding houses as shared living spaces. The effect of void design on ventilation is influenced by various design variables, such as the proportion of openings, the void-to-building ratio, the void aspect ratio, and the void’s position within the building. The effects of vertical void towards ventilation efficiency can be improved by modifying these variables. This study investigates the impact of these design variables on ventilation performance through field surveys and microclimate measurements. Descriptive statistical methods were used to analyze the effects of different designs on two boarding houses. The results of the study can be considered in low-rise housing design as a way to improve natural ventilation performance. The findings show that CO2 concentrations remain stable at 400–600 ppm, which is attributed to low occupancy levels and large void volumes, regardless of the void design or air velocity. Airflow as an indicator of physiological cooling varied between day and night, with daytime ventilation being more effective on upper floors due to stronger thermal buoyancy and wind speeds. Nighttime ventilation was less effective, with weaker airflow, especially on the upper floors, affecting physiological cooling. Adjusting the void's aspect ratio can improve natural ventilation performance; narrower voids enhance upward airflow at night, while larger aspect ratios improve ventilation during the day.
Co-Authors Abdul Kadir Amrullah, Abdul Karim Amrulloh, Tri Febriandi Dirohmat, Yogia Mugi Fachruddin, Zhafirah hari siswoyo Ima Defiana Khoirul Umami Moh. Yardho Muhammad Ainun Najib, Muhammad Ainun Nur Syamsiyah Rifti, Salsabila Melka Rokhman, Mokh. Fatkhur Samodra, FX Teddy Badai Samudera, Muhammad Daffa Sri Nastiti Nugrahani Ekasiwi Sri Widiyanesti Tri Budi Prayogo, Tri Budi Wafiudin, M. Afif