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All Journal Pawon: Jurnal Arsitektur DIMENSI: Journal of Architecture and Built Environment
Santoso Mintorogo, Danny
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Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Other

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OPTIMASI EAHE SEBAGAI UPAYA PENDINGIN RUANG SIANG HARI DI SURABAYA Juniwati, Anik; Santoso Mintorogo, Danny; Anggraini Handoyo, Ekadewi
Pawon: Jurnal Arsitektur Vol 9 No 01 (2025): Pawon: Jurnal Arsitektur
Publisher : Program Studi Arsitektur Institut Teknologi Nasional (ITN) Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/pawon.v9i01.12533

Abstract

ABSTRAK Tinggal dan beraktifitas dalam lingkungan bersuhu tinggi di iklim tropis lembab meningkatkan risiko dehidrasi, menurunkan konsentrasi, kelelahan, menimbulkan masalah kesehatan dan menurunkan produktivitas. Upaya pendinginan pasif dengan ventilasi alami sering kali tidak efektif karena suhu tinggi, kelembaban, radiasi matahari, serta kecepatan angin yang tidak mendukung. Sedang meningkatkan kecepatan angin akan mengganggu aktifitas. Salah satu solusi untuk pendinginan adalah dengan memindahkan panas udara ke tanah, atau dikenal sebagai Earth-to-Air Heat Exchanger (EAHE). Penelitian ini merupakan eksperimental studi lanjutan untuk mendapatkan optimasi model EAHE di siang hari di Surabaya. Hasilnya menunjukkan bahwa EAHE efektif menurunkan suhu ruang hingga 2ºC. Angka ini cukup signifikan untuk dipakai sebagai pendinginan ruang. Kajian lebih lanjut diperlukan untuk menentukan kebutuhan udara dingin yang proporsional dengan volume ruang. Kata kunci: Kenyamanan Termal, Ventilasi, Pendinginan Udara, EAHE ABSTRACT People living and working in high-temperature environments are prone to dehydration, reduced concentration, and fatigue, leading to health issues and decreased productivity. Passive cooling through natural ventilation is often ineffective in humid tropical cities due to high temperatures, humidity, and low wind speeds, while high wind speeds can disrupt activities. Earth-to-Air Heat Exchanger (EAHE) systems provide a cooling solution by transferring air heat to the ground. This experimental study on ventilation using EAHE is an optimization EAHE model on daytime in Surabaya. The result showed that EAHE reduced room temperatures by up to 2ºC during the day. This confirms EAHE’s potential for cooling applications. Further research is needed to optimize the required air volume for effective space cooling. Keywords: Thermal comfort, ventilation, air-cooling, EAHE
BALCONY GEOMETRIES PERFORMANCE AS WINDCARRIERS INTO LIVING SPACE ; CASE STUDY: APARNA SIWALANKERTO Putri, Felicia; Santoso Mintorogo, Danny; Nurdi Kusuma Priatman, Jimmy
Dimensi: Journal of Architecture and Built Environment Vol. 49 No. 1 (2022): JULY 2022
Publisher : Institute of Research and Community Outreach, Petra Christian University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1522.412 KB) | DOI: 10.9744/dimensi.49.1.31-42

Abstract

In majority, housing flats use natural ventilation to cope with humid tropical climate in Indonesia, which requires airflow to achieve thermal comfort. One of the potential architectural element in delivering air into the living space of vertical buildings is balcony. But in reality, balconies in Indonesian housing flats are only functioning as façades, and have not optimized their potential as windcarriers, which partially cause air discomfort in living space. This study examines the performance of balcony geometries as windcarriers into living space through simulation by Ansys Workbench CFX 2021 on Aparna Siwalankerto as a case study. It was found that balcony with more well-ordered wind receiving planes could carry wind into the living space best, in terms of both speed and distribution, as such in this study was the symmetric pentagonal balcony. Still, between the two aspects, wind distribution determines balconies performance, rather than wind speed.
Co-Authors Anggraini Handoyo, Ekadewi Anik Juniwati Nurdi Kusuma Priatman, Jimmy Putri, Felicia