Characteristics of a CRDI Engine Fuelled by Waste Transformer Oil with High Fuel Injection Pressure
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Abstract
The impact of fuel injection pressure on the characteristics of the CRDI Diesel Injection system powered by Transesterified Waste Transformer Oil (TWTO) is investigated in this study. It was discovered in a previous experimental study that when transesterified waste transformer oil is utilised as a fuel in a normal diesel engine, the brake thermal efficiency (BTE) is dwindled because of the combustion characteristics of TWTO and its blends. TWTO25 blends shows comparable results to that of convention diesel fuel and higher blends exhibited lower characteristics with standard operational parameters due to their higher viscosity. In light of this, experimental research was conducted in the current study to improve the performance of TWTO25 blend in diesel engines with high fuel injection pressure. The fuel injection pressure is varied from 22MPa to 88MPa to achieve better atomization which intern increases the engine performance. Peak fuel injection pressure exhibits an improvement in brake thermal efficiency of 6.67% compared with neat diesel. In terms of emission attributes, the CO, HC and smoke level continuously tumble down with an upsurge in fuel injection pressure due to the well-atomized spray.
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