Investigation of the usability of boron oxide nanoparticles as diesel fuel additive

Öz

In this study, the usability of the boron oxide (B2O3) nanoparticles as diesel fuel additive was experimentally investigated. Boron oxide nanoparticles were added to the diesel-biodiesel blend (B20) containing 20% by volume canola oil biodiesel at 50 ppm, 100 ppm, and 200 ppm concentrations by mechanical and ultrasonic mixing techniques. Some fuel properties of the prepared nano fuels were measured and then engine tests were carried out at standard engine settings. In these tests, the effect of boron oxide nanoparticles on combustion, performance, and emissions characteristics of the diesel engine was researched. In addition, a cost analysis was carried out depending on fuel price and specific fuel consumption. According to the results obtained, it was determined that boron oxide nanoparticles improve the cold flow properties of the fuel but increase the kinematic viscosity. It has been determined that boron oxide nanoparticles can be used at a concentration of 100 ppm in terms of high engine performance. It was ascertained that the specific fuel consumption of the engine decreased by 1.66% and the effective efficiency increased by 0.96% at this nanoparticle concentration. At the same time, CO and HC emissions decreased on average by 1.29% and 22.12%, respectively. But under the same engine operating conditions, NO and soot emissions increased by 14.90% and 31.03% on average. Though, the decrease in specific fuel consumption, the fuel cost per unit of effective power increased by 116% on average due to the high price of nanoparticles.

Anahtar Kelimeler

• Boron oxide
• Diesel engine
• Emission
• Nanofuel additive
• Performance

Bor oksit nanoparçacıklarının dizel yakıt katkısı olarak kullanılabilirliğinin araştırılması

Öz

Bu çalışmada bor oksit (B2O3) nanoparçacıklarının dizel yakıt katkısı olarak kullanılabilirliği deneysel olarak araştırılmıştır. Bor oksit nano parçacıkları, hacimsel %20 oranında kanola yağı biyodizeli içeren dizel-biyodizel karışımına (B20) 50 ppm, 100 ppm ve 200 ppm konsantrasyonunda mekanik ve ultrasonik karıştırma yöntemleri ile eklenmiştir. Hazırlanan nanoyakıtların bazı yakıt özellikleri ölçülmüş ve ardından standart motor ayarlarında motor testleri gerçekleştirilmiştir. Bu testlerde bor oksit nanoparçacıklarının dizel motorunun yanma, performans ve emisyon karakteristiklerine etkisi araştırılmıştır. Ayrıca yakıt fiyatı ve özgül yakıt tüketimine dayalı olarak bir maliyet analizi gerçekleştirilmiştir. Elde edilen sonuçlara göre, bor oksit nanoparçacıkları yakıtın soğukta akış özelliklerini geliştirdiği ancak kinematik viskozitesini artırdığı belirlenmiştir. Motor performansı açısından bor oksit nanoparçacıklarının 100 ppm oranında kullanılabileceği belirlenmiştir. Bu nanoparçacık konsantrasyonunda motorun özgül yakıt tüketiminin %1,66 oranında azaldığı ve efektif verimin %0,96 oranında arttığı belirlenmiştir. Aynı zamanda CO ve HC emisyonları ortalama olarak sırası ile %1,29 ve %22,12 oranında azalmıştır. Fakat motorun aynı çalışma şartlarında NO ve is emisyonları ortalama olarak %14,90 ve %31,03 oranında artmıştır. Bununla birlikte özgül yakıt tüketimi düşmesine rağmen nanoparçacıklarının yüksek fiyatı nedeniyle birim efektif güç için yakıt maliyeti ortalama %116 oranında artmıştır.

Anahtar Kelimeler

• Bor oksit
• Dizel motor
• Emisyon
• Nanoyakıt katkısı
• Performans

Kaynakça

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