Effect of injection pressure on the combustion, performance and emission characteristics of a biodiesel engine with cerium oxide nanoparticle additive

S. Kumar, P. Dinesha, Marc A. Rosen

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Vegetable oil based fuels are promising substitutes for diesel fuel for transport and industrial applications. Converting raw vegetable oils into their ethyl or methyl esters has reasonably solved the problems associated with their high viscosities. The purpose of the research is to investigate experimentally the effect of injection pressure on the combustion characteristics of a biodiesel engine using cerium oxide nanoparticles as a fuel additive. Biodiesel derived from waste cooking oil mixed with mineral diesel in the proportion 20:80 is used along with cerium oxide (CeO2) nanoparticles as additives. The engine is run at several fuel injection pressures (180, 210 and 240 bar) and with a nanoparticle concentration of 80 ppm. The experiments demonstrate that the higher injection pressure associated with nanoparticle addition improves engine combustion characteristics, e.g., it leads to a higher peak pressure and a higher heat release rate. The best performance was observed at an injection pressure of 240 bar with a 80 ppm nanoparticle concentration. Concentrations of hydrocarbon, oxides of nitrogen and smoke decreased for higher injection pressures with nanoparticle addition. Hence an enhancement in engine performance and decrease in emissions can be achieved in a biodiesel engine by employing higher injection pressures with nanometer sized cerium oxide particles as additives. This helps in conserving the petroleum based fuels and also avoiding the emissions of contaminants to the atmosphere.

Original languageEnglish
Pages (from-to)1163-1173
Number of pages11
JournalEnergy
Volume185
DOIs
Publication statusPublished - 15-10-2019

Fingerprint

Cerium
Biodiesel
Nanoparticles
Engines
Oxides
Vegetable oils
Fuel additives
Cooking
Fuel injection
Diesel fuels
Smoke
Industrial applications
Esters
Minerals
Crude oil
Hydrocarbons
Viscosity
Impurities
Nitrogen
Experiments

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • Pollution
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

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abstract = "Vegetable oil based fuels are promising substitutes for diesel fuel for transport and industrial applications. Converting raw vegetable oils into their ethyl or methyl esters has reasonably solved the problems associated with their high viscosities. The purpose of the research is to investigate experimentally the effect of injection pressure on the combustion characteristics of a biodiesel engine using cerium oxide nanoparticles as a fuel additive. Biodiesel derived from waste cooking oil mixed with mineral diesel in the proportion 20:80 is used along with cerium oxide (CeO2) nanoparticles as additives. The engine is run at several fuel injection pressures (180, 210 and 240 bar) and with a nanoparticle concentration of 80 ppm. The experiments demonstrate that the higher injection pressure associated with nanoparticle addition improves engine combustion characteristics, e.g., it leads to a higher peak pressure and a higher heat release rate. The best performance was observed at an injection pressure of 240 bar with a 80 ppm nanoparticle concentration. Concentrations of hydrocarbon, oxides of nitrogen and smoke decreased for higher injection pressures with nanoparticle addition. Hence an enhancement in engine performance and decrease in emissions can be achieved in a biodiesel engine by employing higher injection pressures with nanometer sized cerium oxide particles as additives. This helps in conserving the petroleum based fuels and also avoiding the emissions of contaminants to the atmosphere.",
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AB - Vegetable oil based fuels are promising substitutes for diesel fuel for transport and industrial applications. Converting raw vegetable oils into their ethyl or methyl esters has reasonably solved the problems associated with their high viscosities. The purpose of the research is to investigate experimentally the effect of injection pressure on the combustion characteristics of a biodiesel engine using cerium oxide nanoparticles as a fuel additive. Biodiesel derived from waste cooking oil mixed with mineral diesel in the proportion 20:80 is used along with cerium oxide (CeO2) nanoparticles as additives. The engine is run at several fuel injection pressures (180, 210 and 240 bar) and with a nanoparticle concentration of 80 ppm. The experiments demonstrate that the higher injection pressure associated with nanoparticle addition improves engine combustion characteristics, e.g., it leads to a higher peak pressure and a higher heat release rate. The best performance was observed at an injection pressure of 240 bar with a 80 ppm nanoparticle concentration. Concentrations of hydrocarbon, oxides of nitrogen and smoke decreased for higher injection pressures with nanoparticle addition. Hence an enhancement in engine performance and decrease in emissions can be achieved in a biodiesel engine by employing higher injection pressures with nanometer sized cerium oxide particles as additives. This helps in conserving the petroleum based fuels and also avoiding the emissions of contaminants to the atmosphere.

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