Kış Kentlerinde Yapı Bloğu Yöneliminin Dış Mekân Termal Konfor Üzerine Etkisinin ENVI-met ile Analizi

Year 2024, Volume: 9 Issue: 2, 737 - 755, 26.12.2024

Başak Ertem Mutlu , Sevgi Yılmaz

https://doi.org/10.30785/mbud.1530027

Abstract

Kentleşmenin artması kentlerdeki bina yoğunluğu, sert zemin fazlalığı kentsel ısı ada etkisini arttırmakta ve bu da dış mekan termal konforu olumsuz yönde etkilemektedir. Sadece yapı fazlalığı değil aynı zamanda yapı bloklarının mekandaki yönlenmesinin de termal konforu etkilediği öngörülmektedir. Yapılan bu çalışmada ENVI-met 5.6.1 yazılım modeli kullanılarak 4 farklı açıda yönelim senaryosu “0°, 45°, 90°, 135°” çalışılmıştır. Çalışma alanı olarak Erzurum kent merkezinde gelişme aksında yer alan, yeni yerleşim yeri Yıldızkent tercih edilmiştir. Çalışma sonucunda 45° açılı cadde yöneliminin hem kış hem yaz ayı için termal konfor açısından en uygun senaryo olduğu tespit edilmiştir. Bu senaryo analizinde kış ayları için 1.0 C°’lik bir PET iyileşmesi olduğu ve termal konforu olumlu yönde etkilediği belirlenmiştir. Yapı bloğu yönlenmesinin termal konfor üzerinde etkisi olduğu belirlenmiştir.

Keywords

Yapı blokları, yönelim, ENVI-met 5.6.1, soğuk iklim, dış mekân termal konfor

Analysis of the Impact of Urban Building Blocks Orientation on Outdoor Thermal Comfort in Winter Cities Using ENVI-met

Abstract

The increase in urbanization, building density in cities, and the excess of hard surfaces exacerbate the urban heat island effect, negatively impacting outdoor thermal comfort. It is anticipated that not only the abundance of structures but also the orientation of building blocks in space affects thermal comfort. In this study, four different orientation scenarios “0°, 45°, 90°, 135°” were analyzed using the ENVI-met 5.6.1 software model. The newly developed settlement area Yıldızkent, located in the development axis of the city center of Erzurum, was chosen as the study area. The study concluded that the street orientation at a 45° angle was the most suitable scenario in terms of thermal comfort for both winter and summer months. In this scenario analysis, a 1.0°C PET improvement for winter months was determined, positively affecting thermal comfort. It was determined that the orientation of building blocks has an impact on thermal comfort.

Keywords

Building blocks, orientation, ENVI-met 5.6.1, cold climate, outdoor thermal comfort

Thanks

This study is part of the doctoral thesis titled "Evaluation of Different Urban Green Area System Scenarios in Terms of Outdoor Thermal Comfort" (Thesis No: 794478) conducted by Başak Ertem Mutlu at the Department of Landscape Architecture, Institute of Science, Atatürk University. This research was supported by The Scientific and Technological Research Council of Turkey (TÜBİTAK) under Project No: 119O479. The authors extend their special thanks to the Research Universities Support Program (ADEP-YOK) at Ataturk University of Turkey (Grant No: FBA-2024-13536 and Grant No: FBA-2024-14152) and the Turkish State Meteorological Service (MGM) for sharing their data free of charge. The article complies with national and international research and publication ethics.

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