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Dergiler / International Journal of Automotive Engineering and Technologies / 2026 / Cilt: 14 Sayı: 3

Farklı oranlarda atık yemeklik yağ biyodizeliyle çalışan su soğutmalı dizel motorun enerji, ekserji, sera gazı emisyon etkisi ve ekonomik analizi

Energy, exergy, greenhouse gas emission impact and economic analysis of a water-cooled diesel engine running on different proportions of waste cooking oil biodiesel

Derviş Erol(KIRIKKALE UNIVERSITY)0000-0002-3438-9312
Halil Erdi Gülcan(SELCUK UNIVERSITY)0000-0002-2328-5809
Sayfa
154–169
Yayın Tarihi
2025-09-30
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Bulgular, biyodizel oranının artmasının ekserji verimliliğini azalttığını ve ekserji tahribatını artırdığını göstermiştir.

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Amaç & Hipotez:Dizel motorlarda petrol bazlı yakıtların kullanımı, çevreye önemli miktarda toksik madde salınımına neden olmaktadır.
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Temel Bulgular & Veri:Bu çalışmada, atık yemeklik yağ biyodizeli (WCOB) ile çalışan bir dizel motorun farklı yük koşullarındaki enerji, ekserji, sera gazı (GHG) emisyonu ve ekonomik etkileri analiz edilmiştir.
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Sonuç & Katkı:Bulgular, biyodizel oranının artmasının ekserji verimliliğini azalttığını ve ekserji tahribatını artırdığını göstermiştir.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Biyodizel karışım oranı · enerji · ekserji

Özet

Dizel motorlarda petrol bazlı yakıtların kullanımı, çevreye önemli miktarda toksik madde salınımına neden olmaktadır. Ayrıca, içten yanmalı motorlu araç sayısının artması dizel yakıtlara olan talebi yükseltmekte ve bu da yakıt fiyatlarının hızlı bir şekilde artmasına yol açmaktadır. Bu nedenle, dizel motorlarda temiz, ucuz ve yenilenebilir alternatif yakıtların kullanımı giderek daha önemli hale gelmiştir. Atık yemeklik yağlardan elde edilen biyodizel, biyobozunur, temiz, maliyet açısından uygun ve dizel motorlar için oldukça uygun bir alternatiftir. Bu çalışmada, atık yemeklik yağ biyodizeli (WCOB) ile çalışan bir dizel motorun farklı yük koşullarındaki enerji, ekserji, sera gazı (GHG) emisyonu ve ekonomik etkileri analiz edilmiştir. Sonuçlar, geleneksel dizel yakıt ile karşılaştırılmıştır. Bulgular, biyodizel oranının artmasının ekserji verimliliğini azalttığını ve ekserji tahribatını artırdığını göstermiştir. Özellikle, %100 biyodizel kullanımı, yakıt ekserjisini artırırken hem enerji hem de ekserji verimliliklerinde düşüşe neden olmuştur. Ayrıca, artan CO2 emisyonları nedeniyle sera gazı emisyon etkisi ve ekonomik maliyette artış gözlemlenmiştir.

Abstract

The use of petroleum-based fuels in diesel engines results in the release of significant amounts of toxic substances into the environment. Moreover, the increasing number of vehicles with internal combustion engines (ICEs) continues to raise the demand for diesel fuels, leading to a sharp rise in fuel prices. Therefore, the use of clean, inexpensive, and renewable alternative fuels in diesel engines has become increasingly important. Biodiesel derived from waste cooking oils is one such alternative—it is biodegradable, clean, cost-effective, and highly suitable for diesel engines. In this study, the energy, exergy, greenhouse gas (GHG) emission, and economic impacts of a diesel engine fuelled with waste cooking oil biodiesel (WCOB) were analysed under different load conditions. The experiments were conducted at a constant engine speed under varying load conditions ranging from 10 Nm to 50 Nm, with 10 Nm increments. The fuel blend ratios used in the study are as follows: 100% diesel; 90% diesel + 10% WCOB; 80% diesel + 20% WCOB; 50% diesel + 50% WCOB; and 100% WCOB. The results were compared with those of conventional diesel fuel. The findings indicate that increasing the biodiesel proportion reduces exergy efficiency and increases exergy destruction. Operating the diesel engine with 100% WCOB increases the lost energy and exhaust energy ratio by an average of 4.3% and 2.2%, respectively, while reducing the energy efficiency by an average of 3%. In addition, the exergy efficiency decreases by 3.6%, whereas the exergy destruction increases by 4.8%. Additionally, it led to a higher GHG emission impact and economic cost due to increased CO2 emissions.

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Bu Makaleye Atıf Yap

Erol, D., Gülcan, H. E. (2025). Farklı oranlarda atık yemeklik yağ biyodizeliyle çalışan su soğutmalı dizel motorun enerji, ekserji, sera gazı emisyon etkisi ve ekonomik analizi. International Journal of Automotive Engineering and Technologies, Cilt: 14 Sayı: 3, 154–169. https://doi.org/10.18245/ijaet.1705733

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