Under this experimental analysis the lemon grass oil was considered, it’s converted into biodiesel as lemon grass biodiesel methyl ester (LGB) through transesterification process. The Kirloskar TV1 was used as the reference fuel in the fuel injection system 4-stroke diesel engine. The lemon grass biodiesel methyl ester (LGB B20) blend B20 is selected because it nearest to the diesel value. The lemon grass biodiesel is preheated at 60°C temperature that is (LGB B20 preheating @ 60°C). The results of the test showed that LGB B20 kinematic viscosity and density gradually decreased with fuel temperature rise. The performance characteristics of Preheating biodiesel is increased the BTE and slightly reduce the BSFC at noted in the full load condition. And the emission characteristics at full load condition of CO, HC and smoke density as decreased, it was observed slight increase of NOx emission.
The performance and emissions characters of diesel engine behavior depend
largely on several criteria, fuel injection nozzle plays a vital role in the
proper combustion of diesel engines. This research analyzes the impact of a
nozzle hole configuration on the features of a biodiesel-fuelled diesel
engine. Therefore, the causes are dependent on the modification that the
nozzle hole was selected from three-hole and five-hole nozzles, while the
engine characteristics of the lemongrass biodiesel blend with diesel were
examined. Lemongrass Biodiesel with 20 percent blend (LGB B20) has been
investigated experimentally with different engine loads with respect to
brake power, three hole, and five-hole nozzles. The experimental
investigation showed an improvement in peak i.e. highest heat release rate
of 12.5% for three and five-hole nozzle and brake specific fuel consumption
of 15% is increased in single hole nozzle and it is observed it?s diminished
in three and five holed nozzle. Further, the brake thermal efficiency is
increased in the five-hole nozzle in comparison to the three hole nozzle at
full load condition. Furthermore emission characteristics like HC, CO, and
smoke are decreased with an increase in the number of nozzles, at the
penalty of increase in NOx emissions has been observed.
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