As Lubricating Oil In A Two-Stroke Gasoline Engine Use Of Vegetable Oil

Yıl 2020, Cilt: 2 Sayı: 1, 67 - 87, 15.07.2020

Salih Özer

Öz

Recently, legislation on the reduction of emissions from motor vehicles has led to intensive studies in this area. In these studies, it is observed that the research and use of alternative fuels, which are less polluting than petroleum-derived fuels, is emphasized. Especially in the field of lubrication, the alternatives to oils are being studied rapidly and the number of publications is increasing. In general, four-stroke engines are more focused on these studies while they are being carried out and studies about them in general are being carried out. What distinguishes this work from the others is that it covers two-stroke engines. Furthermore, the effect of the use of these oils on Wear has also been studied. In this study, motor oil and various vegetable oils were added to the gasoline by 5% and 10% volumetric (v/v), and the effects of these additives on fuel consumption and exhaust emissions were investigated experimentally. In addition, the amount of wear on the compression ring was determined in long-term 50-hour and 100-hour operation situations. As a result of the study, there was an increase in fuel consumption, is, HC, CO emissions and a decrease in NOX and CO2 emissions by using vegetable oil compared to petroleum-derived mineral oil. Vegetable oils have been shown to cause more wear on the compression ring than mineral oil.

Anahtar Kelimeler

Two-Stroke Engine, Lubrication, Renewable Energy, Vegetable Oil, Exhaust Emissions

İki Zamanlı Benzinli Bir Motorda Yağlama Yağı Olarak Bitkisel Yağ Kullanımı

Öz

Son zamanlarda motorlu taşıtlardan kaynaklanan emisyonlarının azaltılması üzerine yapılan yasal düzenlemeler, bu alanda yoğun çalışmaların yapılmasına neden olmuştur. Bu nedenle bu alandaki çalışmalar her geçen gün hız kazanmaktadır. Yapılan bu çalışmada benzinin içerisine hacimsel olarak (v/v) %5 ve %10 oranlarında motor yağı ve çeşitli bitkisel yağlar katılmış, bu katkıların yakıt tüketimi ve egzoz emisyonlarına etkileri deneysel olarak incelenmiştir. Ayrıca uzun süreli 50 saatlik ve 100 saatlik çalışma durumlarında 1. segmandaki aşınma miktarı tespit edilmiştir. Çalışmada iki zamanlı benzinli bir motor kullanılmıştır. Yapılan çalışma sonucunda, petrol kaynaklı madeni yağa göre yenilenebilir yağ kullanılması ile birlikte yakıt tüketimi, is, HC, CO emisyonlarında artış ve NOx ile CO2 emisyonlarında azalma meydana geldiği tespit edilmiştir. Segmanlardaki aşınmanın tespit edilmesi için yapılan 50 saatlik ve 100 saatlik çalışma sonrasında ise madeni yağ kullanımına göre her yakıt karışımında aşınma olduğu görülmüştür. 

Anahtar Kelimeler

İki Zamanlı Motor, Sürtünme, Yenilenebilir Enerji, Bitkisel Yağlar, Egzoz Emisyonu

Kaynakça

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