Abstract
This article presents results of experimental study of diesel, rapeseed oil and three different blends of 10%, 20% and 30% diethyl ether addition to rapeseed oil, tested on VW Golf vehicle on chassis dynamometer Mustang MD-1750. Fuel consumption and emission tests were conducted at different testing conditions: idling, 50 km/h, 90 km/h, as also IM-240 cycle. The analysis of obtained results have shown reduction of engine power by 6.2%–17.3% and increase of fuel consumption by 0.6%–15.5% (based on testing conditions) for all blends based on DEE addition compared to RO, demonstrating better perspectives for low level blends. Emission tests have shown decrease of hydrocarbons and nitrogen oxides (NOx) for all blends with DEE content in almost all testing conditions and also slight increase of carbon monoxides and carbon dioxides compared to rapeseed oil. Largest decrease of NOx was observed during 90 km/h and cycle IM-240 reaching almost 24% reduction for 20DEE and 30DEE in comparison to neat RO.
Highlights
Based on ecological problems during the last years public opinion according to conventional fossil fuels was changed showing more interest for different alternative fuels, as electric vehicles.Increasing companies are trying to become greener, which is stimulated by different cities across the world taking measures on reduction of number of cars in city centers
It should be noted that retreat of low carbon content fuel alternatives not possible as road transport sector is the largest contributor of total nitrogen oxides (NOx) and a significant contributor of carbon monoxide (CO) and primary PM2.5 emissions [1]
In any case further research of combustion parameters are recommended
Summary
Increasing companies are trying to become greener, which is stimulated by different cities across the world taking measures on reduction of number of cars in city centers. Such thinking was reinforced by Volkswagen emission cheating scandal, which has restricted sales of diesel cars in Europe reducing share for diesel cars from 55% in 2011 to 35.9% in 2018. It should be noted that retreat of low carbon content fuel alternatives not possible as road transport sector is the largest contributor of total NOx and a significant contributor of CO and primary PM2.5 emissions [1]
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