Analysis of the effects of Nickel (III) Oxide nanoparticle use in eurodiesel fuels on diesel engines by response surface methodology

Öz

The use of nanotechnology-based fuel additives is an important research area for improving diesel engine efficiency and reducing environmental impacts. In this study, the effects of Nickel (III) Oxide nanoparticles added directly to commercial Eurodiesel fuel at 25, 50, 75, and 100 ppm on engine performance and exhaust emissions were investigated. Experiments were conducted on a single-cylinder, direct-injection diesel engine at 0.3, 1.0, 2.0, and 3.0 bar BMEP. The results showed that 75 ppm Ni₂O₃ provided the best performance. Under this condition, maximum BTE reached 24.93%, while BSFC decreased to 0.28 kg/kWh. Significant reductions were obtained in CO, HC, and smoke emissions, whereas NOₓ partially increased at high load. Response Surface Methodology (RSM) was applied to model system behavior, and the developed second-order models showed high accuracy (R² = 93.06–99.90%). Five optimization scenarios were established for different industrial and environmental priorities. The optimum conditions for balanced, emission-oriented, and performance-oriented scenarios were 82.82 ppm–1.58 bar, 78.78 ppm–0.30 bar, and 58.58 ppm–3.00 bar, respectively.

Anahtar Kelimeler

• Engine performance
• combustion
• exhaust emissions
• optimization

Teşekkür

The author gratefully acknowledges Batman University Automotive Research Laboratory for providing the technical support and research infrastructure for this study.

Eurodizel yakıtlarında Nikel (III) Oksit nanoparçacık kullanımının dizel motorlara etkisinin yanıt yüzey metodolojisi ile analizi

Öz

Dizel motorlarda verimliliğin artırılması ve çevresel etkilerin azaltılması amacıyla nanoteknoloji tabanlı yakıt katkıları önemli bir araştırma alanıdır. Bu çalışmada, ticari saf Eurodizel yakıtına 25, 50, 75 ve 100 ppm oranlarında ilave edilen Nikel (III) Oksit nanoparçacıklarının motor performansı ve egzoz emisyonları üzerindeki etkileri incelenmiştir. Deneyler, tek silindirli direkt enjeksiyonlu bir dizel motorda 0.3, 1.0, 2.0 ve 3.0 bar FOEB koşullarında yürütülmüştür. Sonuçlar, 75 ppm Ni₂O₃ dozajının en uygun performansı sağladığını göstermiştir. Bu koşulda en yüksek FTV %24.93’e ulaşırken, FÖYT 0.28 kg/kWh’ye düşmüştür. CO, HC ve duman emisyonlarında belirgin azalmalar elde edilirken, NOₓ emisyonu yüksek yükte kısmen artmıştır. Sistem davranışını modellemek amacıyla Yanıt Yüzey Metodolojisi (YYM) uygulanmıştır. YYM ile geliştirilen ikinci dereceden modeller yüksek doğruluk göstermiştir (R²=%93.06–99.90). Farklı endüstriyel ve çevresel öncelikler için beş optimizasyon senaryosu oluşturulmuştur. Dengeli, emisyon odaklı ve performans odaklı optimizasyon senaryolarında optimum koşullar sırasıyla 82.82 ppm–1.58 bar, 78.78 ppm–0.30 bar ve 58.58 ppm–3.00 bar olarak belirlenmiştir.

Anahtar Kelimeler

• Motor performansı
• egzoz emisyonları
• optimizasyon
• Ni₂O₃

Teşekkür

Yazar, bu çalışmaya sağladığı teknik destek ve araştırma altyapısı için Batman Üniversitesi Otomotiv Araştırma Laboratuvarı’na teşekkürlerini sunar.

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