期刊
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
卷 146, 期 5, 页码 2303-2315出版社
SPRINGER
DOI: 10.1007/s10973-020-10364-z
关键词
Lemongrass oil biofuel; Thermal barrier coating; Yttria-stabilized zirconia; Performance and emission
资金
- Jiangsu Province Post-Doctoral Research Fund [2020Z153]
- 333 Project in Jiangsu Province [BRA2019277]
- Six Talent Peaks Project of Jiangsu Province [XNY-007]
The study aims to improve efficiency and reduce harmful emissions from diesel engines by using lemongrass biofuel and coating the combustion unit with ceramic layer. This approach resulted in higher engine efficiency, reduced fuel consumption, and decreased emissions like smoke, HC, and CO, though NOx levels remained relatively unchanged.
The aim of present work is to improve the efficiency and reduce the harmful exhaust emissions from diesel engines. Neat lemongrass oil was selected as a biofuel, and its physical and chemical properties based on ASTM standards were investigated. The combustion unit was coated with yttria-stabilized zirconia as a ceramic layering material. The initiative behind the thermal barrier coating was to acquire reduced heat losses by ceramic layering the combustion unit with the substance having reduced thermal conductivity, so as to aid in the transformation of accrued heat transformation into constructive work. Conventional diesel fuel was taken as a baseline fuel and investigated in the uncoated engine. Then, the coated combustion unit was installed in the engine and investigated with diesel. Subsequently, lemongrass biofuel was used as operating energy in both coated and normal conditions. Ceramic-layered conditions exhibited high engine efficiency with reduced fuel utilization. The result showed that the coated engine exhibited reduced emissions like smoke, HC and CO with the exception of NOx compared to normal engine. This variation was observed owing to trapping of energy inside the combustion unit and low level of energy transferred to the combustion chamber walls. [GRAPHICS] .
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