Determining of Aircraft Engine Greenhouse Gas (CO2, CH4 and N2O) Emissions from the Landing and Take-Off Operations Around the Airport Area

Son zamanlarda havacılık faaliyetlerinden kaynaklanan çevresel kaygılar artmış ve sürdürülebilir ve daha temiz havacılık konsepti içerisinde havacılığın çevresel boyutuna yönelik olarak yapılan çalışmalar önemli araştırma konularından birisi haline gelmiştir. Bu çalışmada, Uluslararası Eskişehir Hasan Polatkan Havalimanı'nda (LTBY) iniş ve kalkış operasyonları sırasında uçak motorlarindan çevreye yayılan sera gazı emisyonları olarak bilinen CO2, CH4 ve N2O kirleticileri, öngörücü yaklaşımlar yardımıyla analiz edilmiştir. Ek olarak, incelemeye konu uçakların uçuşun bu fazında toplamda yaklaşık jet yakıtı tüketim değerleri incelenmiştir. Hesaplamalar, IPCC (Hükümetlerarası İklim Değişikliği Paneli) yöntemi ışığında ve Tier-2 öngörücü yaklaşımla gerçekleştirilmiştir. Elde edilen sonuçlara göre Airbus 321 (A-321) serisi uçakların toplamda 762495 kg/yıl sera gazı emisyonu salınım değeri ile en yüksek kirliliğe sahip olduğu ortaya çıkmıştır. Ayrıca incelemeye konu uçaklardan iniş ve kalkış operasyonları neticesinde çevreye yaklaşık olarak 1127 ton/yıl karbondioksit (CO2), 48.14 kg/yıl metan (CH4) ve 39.77 kg/yıl diazot monoksit (N2O) salındığı görülmüştür. Öte yandan bu uçakların iniş-kalkış operasyonları sırasında jet yakıtı tüketiminin toplam değeri yaklaşik olarak 357 ton/yıl olarak hesaplanmıştır. Öte yandan, ortalama Jet yakıtı tüketimi ile toplam iniş kalkış operasyonu sayıları arasında korelasyon kurularak Boeing B767-300 (B763) serisi uçağın hesaplanmış olan yakıt tüketim performansına bağlı olarak en verimsiz uçak tipi olduğu tespit edilmiştir.

Anahtar Kelimeler:

Uçak Motorları, Havacılık Emisyonları, Sera Gazları, İniş-Kalkış Döngüsü, Çevresel Etki, Sürdürülebilir Havacılık

Determining of Aircraft Engine Greenhouse Gas (CO2, CH4 and N2O) Emissions from the Landing and Take-Off Operations Around the Airport Area

Recently, environmental concerns arising from aviation activities have increased, and studies on the environmental aspect of aircraft operations within the concept of sustainable and cleaner aviation have become one of the important research topics. In this study, the Greenhouse Gas (GHG) Emissions, namely CO2, CH4 and N2O pollutants emitted to the environment during the landing and take-off operations in the International Eskisehir Hasan Polatkan Airport (LTBY) of aircraft engines were analyzed with the help of predictive approaches. Additionally, the average jet-fuel consumptions of these aircraft were determined. Calculations were performed in point of the method of the Intergovernmental Panel on Climate Change (IPCC) and performed with the Tier-2 predictive approach. According to results, it has been obtained that the Airbus 321 (A-321) series aircraft has the highest pollution with a value of 762495 kg/ year of GHG. Furthermore, it has been observed that approximately 1127 tons/year of CO2, 48.14 kg/year of CH4 and 39.77 kg/year of N2O were released into the environment. On the other hand, the total value of jet-fuel consumption during the landing and take-off operations of these aircraft is calculated to be an average of 357 tons/year. On the other hand, it has been determined that the Boeing B767-300 series aircraft (B763) is the most inefficient type of aircraft depending on the fuel consumption by performing a correlation between the parameters of average Jet-fuel consumption and total Landing and Take-off count.

Keywords:

Aircraft Engines, Aviation Emissions, Greenhouse Gases (GHG), Landing-Take-Off Cycle, Environmental Impact, Sustainable Aviation.,

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