Concern about the depletion of petroleum reserves, rising prices of conventional fuels, security of supply and global warming have driven research toward the development of renewable fuels for use in diesel engines. These fuels have different physical and chemical properties that affect the diesel combustion process. This paper compares between the autoignition, combustion, performance and emissions of soy-bean derived biodiesel, Jet propellant (JP-8) and ultra low sulfur diesel (ULSD) in a high speed single-cylinder research diesel engine equipped with a common rail injection system. Tests were conducted at steady state conditions at different injection pressures ranging from 600 bar to 1200 bar. The ‘rate of heat release’ traces are analyzed to determine the effect of fuel properties on the ignition delay, premixed combustion fraction and mixing and diffusion controlled combustion fractions. Biodiesel produced the largest diffusion controlled combustion fraction at all injection pressures compared to ULSD and JP-8. At 600 bar injection pressure, the diffusion controlled combustion fraction for biodiesel was 53% whereas both JP-8 and ULSD produced 39%. In addition, the effect of fuel properties on engine performance, fuel economy, and engine-out emissions is determined. On an average JP-8 produced 3% higher thermal efficiency than ULSD. Special attention is given to the oxides of nitrogen (NOx) emissions and particulate matter characteristics. On an average biodiesel produced 37% less NOx emissions compared to ULSD and JP-8.
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February 2012
Research Papers
Effect of Biodiesel, Jet Propellant (JP-8) and Ultra Low Sulfur Diesel Fuel on Auto-Ignition, Combustion, Performance and Emissions in a Single Cylinder Diesel Engine
Chandrasekharan Jayakumar,
Chandrasekharan Jayakumar
Wayne State University
, 5050 Anthony Wayne Drive, Suite 2100, Detroit, MI 48201
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Jagdish Nargunde,
Jagdish Nargunde
Wayne State University
, 5050 Anthony Wayne Drive, Suite 2100, Detroit, MI 48201
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Anubhav Sinha,
Anubhav Sinha
Wayne State University
, 5050 Anthony Wayne Drive, Suite 2100, Detroit, MI 48201
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Walter Bryzik,
Walter Bryzik
Wayne State University
, 5050 Anthony Wayne Drive, Suite 2100, Detroit, MI 48201
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Naeim A. Henein,
Naeim A. Henein
Wayne State University
, 5050 Anthony Wayne Drive, Suite 2100, Detroit, MI 48201
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Eric Sattler
Eric Sattler
US Army Tank Automotive Research Development and Engineering Center
, East Eleven Mile Road, Warren, MI 48397
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Chandrasekharan Jayakumar
Wayne State University
, 5050 Anthony Wayne Drive, Suite 2100, Detroit, MI 48201
Jagdish Nargunde
Wayne State University
, 5050 Anthony Wayne Drive, Suite 2100, Detroit, MI 48201
Anubhav Sinha
Wayne State University
, 5050 Anthony Wayne Drive, Suite 2100, Detroit, MI 48201
Walter Bryzik
Wayne State University
, 5050 Anthony Wayne Drive, Suite 2100, Detroit, MI 48201
Naeim A. Henein
Wayne State University
, 5050 Anthony Wayne Drive, Suite 2100, Detroit, MI 48201
Eric Sattler
US Army Tank Automotive Research Development and Engineering Center
, East Eleven Mile Road, Warren, MI 48397J. Eng. Gas Turbines Power. Feb 2012, 134(2): 022801 (11 pages)
Published Online: December 8, 2011
Article history
Received:
October 25, 2010
Revised:
November 4, 2010
Online:
December 8, 2011
Published:
December 8, 2011
Citation
Jayakumar, C., Nargunde, J., Sinha, A., Bryzik, W., Henein, N. A., and Sattler, E. (December 8, 2011). "Effect of Biodiesel, Jet Propellant (JP-8) and Ultra Low Sulfur Diesel Fuel on Auto-Ignition, Combustion, Performance and Emissions in a Single Cylinder Diesel Engine." ASME. J. Eng. Gas Turbines Power. February 2012; 134(2): 022801. https://doi.org/10.1115/1.4003971
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