Abstract
Depletion in the levels of fossil fuels and increasing environmental concerns associated with the rise in consumption of conventional fuels are among the top global concerns. Finding an alternative sustainable fuel that matches the performance characteristics of diesel/petrol fuels as well as decreases the exhaust emissions has been a challenging task. After deliberate research, it is found that every alternative fuel is associated with different problems when they are used independently, thereby limiting its benefits. Scientists suggest that using different fuel blends might lead to sustainability. This article is the analysis of data obtained from the experimentation based on two different alternative fuels, Rapeseed Methyl Ester (RME)-based biodiesel and Rapeseed Oil (RO), blended with diesel (D) and Isopropanol (P) into three different proportions each. Tests were carried out in a compression ignition (CI) engine, and comparisons are based on the resulted performance and exhaust emission characteristics. The two different alternative fuels are blended into the following proportions to make six fuel mixtures, D50RME30P20, D50RME40P10, D50RME45P5, D50RO30P20, D50RO40P10 and D50RO45P5. The tests are carried out at different loads (BMEP) and are compared to that of pure diesel. Using the experimentation results, we also obtained the combustion characteristics of all fuel mixtures for further evaluation
Highlights
Accepted: 1 September 2021The automobile world is concerned with two major problems: decreasing fossil fuel use and the rise in harmful emissions
Internal combustion engines are widely used for various purposes all over the world from small-scale to large-scale applications
Regulated pollutants include nitrogen oxides (NOx), carbon monoxide (CO), hydrocarbons (HC) and particulate matter (PM) [9]. Due to their high-performance parameters, fossil fuels are being used in internal combustion engines [10]
Summary
The automobile world is concerned with two major problems: decreasing fossil fuel use and the rise in harmful emissions. Internal combustion engines are widely used for various purposes all over the world from small-scale to large-scale applications. Statistics shows that 99.8% of the world transport is IC engine-powered, out of which 95% uses fuels such as petrol and diesel [7]. The pollutants that are released after the combustion of fossil fuels are divided into regulated and unregulated pollutants. Regulated pollutants include nitrogen oxides (NOx), carbon monoxide (CO), hydrocarbons (HC) and particulate matter (PM) [9]. Due to their high-performance parameters, fossil fuels are being used in internal combustion engines [10]
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