Emre ARABACI, Recep Çağrı ORMAN, Bayram KILIÇ, Kerem HEPDENİZ, Bekir YİTİK

Sinyalize Kavşaklarda Bekleyen Taşıtların Çevresel Etkileri: Dört Fazlı Bir Kavşak Üzerinden Durum Değerlendirmesi

Trafikteki taşıt sayısının artması ile birlikte trafik akışı için birçok senaryo oluşturulmaktadır. Bununla birlikte taşıtların trafikteki bekleme süreleri de sürekli artmaktadır. Yanlış tasarlanmış bir trafik planı trafik sıkışıklığına ve çevresel problemlere neden olmaktadır. Bu çalışmada dört fazlı bir kavşaktaki çevresel etkilerin incelenebilmesi için CO2 eşdeğeri emisyon değerleri (karbon ayak izi) hesaplanmıştır. Kavşaktaki CO2 eşdeğeri emisyonunun hesaplanabilmesi için eşitlikler türetilmiştir. Bu hesaplamalar yapılırken rölanti stop-start sisteminin ve elektrikli taşıt sayısının etkisi de bir gelecek senaryosu olarak ele alınmıştır. Yapılan çalışma neticesinde elektrikli taşıt sayının az miktarda değişimi, kavşakta oluşan CO2 eşdeğeri emisyonunu önemli derecede azalttığı görülmüştür. Bununla birlikte rölanti stop-start sisteminin kullanılması ile birlikte CO2 eşdeğeri emisyonun az da olsa azaltılabileceği görülmüştür.

Anahtar Kelimeler:

kavşak, karbon ayak izi, emisyon, rölanti stop-start

Environmental Impact of Vehicles Waiting at the Signalized Intersections: A Case Study of a Four-Phase Intersection

With the increase in the number of vehicles in traffic, there are many scenarios for traffic flow. On the other hand, the waiting times of the vehicles in traffic are constantly increasing. A misplaced traffic plan leads to traffic congestion and environmental problems. In this study, CO2 equivalent emission values (carbon footprint) were calculated in order to examine the environmental effects in a four-phase intersection. Equations were derived to calculate CO2 equivalent emission at the intersection. The effect of the idle stop-start system and the number of electric vehicles was also considered as a future scenario. As a result of the study, it was observed that the small number of electric vehicles decreased the CO2 equivalent emission at the intersection significantly. However, with the use of the idle stop-start system, it has been observed that CO2 equivalent emissions can be reduced.

Keywords:

intersection, carbon footprint, emission, idle stop-start,

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