Emission characteristics of a ci engine running with a range of biodiesel feedstocks

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Currently, alternative fuels are being investigated in detail for application in compression ignition (CI) engines resulting in exciting potential opportunities to increase energy security and reduce gas emissions. Biodiesel is one of the alternative fuels which is renewable and environmentally friendly and can be used in diesel engines with little or no modifications. The objective of this study is to investigate the effects of biodiesel types and biodiesel fraction on the emission characteristics of a CI engine. The experimental work was carried out on a four-cylinder, four-stroke, direct injection (DI) and turbocharged diesel engine by using biodiesel made from waste oil, rapeseed oil, corn oil and comparing them to normal diesel. The fuels used in the analyses are B10, B20, B50, B100 and neat diesel. The engine was operated over a range of engine speeds. Based on the measured parameters, detailed analyses were carried out on major regulated emissions such as NOx, CO, CO2, and THC. It has been seen that the biodiesel types (sources) do not result in any significant differences in emissions. The results also clearly indicate that the engine running with biodiesel and blends have higher NOx emission by up to 20%. However, the emissions of the CI engine running on neat biodiesel (B100) were reduced by up to 15%, 40% and 30% for CO, CO2 and THC emissions respectively, as compared to diesel fuel at various operating conditions.

LanguageEnglish
Pages334-350
Number of pages17
JournalEnergies
Volume7
Issue number1
DOIs
Publication statusPublished - Jan 2014

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Biodiesel
Feedstocks
Engine
Engines
Range of data
Ignition
Diesel Engine
Compression
Alternative fuels
Diesel engines
Energy security
Corn
Alternatives
Direct injection
Engine cylinders
Diesel fuels
Stroke
Gas emissions
Injection
Energy

Cite this

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abstract = "Currently, alternative fuels are being investigated in detail for application in compression ignition (CI) engines resulting in exciting potential opportunities to increase energy security and reduce gas emissions. Biodiesel is one of the alternative fuels which is renewable and environmentally friendly and can be used in diesel engines with little or no modifications. The objective of this study is to investigate the effects of biodiesel types and biodiesel fraction on the emission characteristics of a CI engine. The experimental work was carried out on a four-cylinder, four-stroke, direct injection (DI) and turbocharged diesel engine by using biodiesel made from waste oil, rapeseed oil, corn oil and comparing them to normal diesel. The fuels used in the analyses are B10, B20, B50, B100 and neat diesel. The engine was operated over a range of engine speeds. Based on the measured parameters, detailed analyses were carried out on major regulated emissions such as NOx, CO, CO2, and THC. It has been seen that the biodiesel types (sources) do not result in any significant differences in emissions. The results also clearly indicate that the engine running with biodiesel and blends have higher NOx emission by up to 20{\%}. However, the emissions of the CI engine running on neat biodiesel (B100) were reduced by up to 15{\%}, 40{\%} and 30{\%} for CO, CO2 and THC emissions respectively, as compared to diesel fuel at various operating conditions.",
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Emission characteristics of a ci engine running with a range of biodiesel feedstocks. / Tesfa, Belachew; Gu, Fengshou; Mishra, Rakesh; Ball, Andrew.

In: Energies, Vol. 7, No. 1, 01.2014, p. 334-350.

Research output: Contribution to journalArticle

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