Effect of three and five holes nozzle on thermal efficiency and emission characters of DI-CI diesel engine with lemongrass biodiesel as alternate fuel | Zendy

Kolla Kotaiah | Zendy; P. Periyasamy | Zendy; Prabhahar Muthuswamy | Zendy; Prakash Seker | Zendy; Sangeetha Krishnamoorthi | Zendy

Open Access

Effect of three and five holes nozzle on thermal efficiency and emission characters of DI-CI diesel engine with lemongrass biodiesel as alternate fuel

Author(s) -

Kolla Kotaiah,

P. Periyasamy,

Prabhahar Muthuswamy,

Prakash Seker,

Sangeetha Krishnamoorthi

Publication year - 2021

Publication title -

thermal science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.339

H-Index - 43

eISSN - 2334-7163

pISSN - 0354-9836

DOI - 10.2298/tsci210920357k

Subject(s) - nozzle , diesel fuel , diesel engine , thermal efficiency , automotive engineering , brake specific fuel consumption , environmental science , thrust specific fuel consumption , materials science , brake , nox , combustion , fuel efficiency , biodiesel , nuclear engineering , mechanical engineering , chemistry , engineering , organic chemistry , biochemistry , catalysis

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% 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 de-creased with an increase in the number of nozzles, at the penalty of increase in NOx emissions has been observed.

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