NDLI: Effect of Biodiesel, JP-8 and Ultra Low Sulfur Diesel Fuel on Autoignition, Combustion, Performance and Emissions in a Single Cylinder Diesel Engine

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Jayakumar, Chandrasekharan Nargunde, Jagdish Sinha, Anubhav Bryzik, Walter Naeim, A. Henein Sattler, Eric
Copyright Year	2010
Abstract	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 soybean derived biodiesel, 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 NOx emissions and particulate matter characteristics. On an average biodiesel produced 37% less NOx emissions compared to ULSD and JP-8.
Sponsorship	Internal Combustion Engine Division
Starting Page	149
Ending Page	162
Page Count	14
File Format	PDF
ISBN	9780791849446
DOI	10.1115/ICEF2010-35060
e-ISBN	9780791838822
Conference Proceedings	ASME 2010 Internal Combustion Engine Division Fall Technical Conference
Language	English
Publisher Date	2010-09-12
Publisher Place	San Antonio, Texas, USA
Access Restriction	Subscribed
Subject Keyword	Combustion Fuels Security Biodiesel Diffusion (physics) Pressure Steady state Engines Petroleum Emissions Climate change Heat Common rail fuel injectors Fuel efficiency Diesel engines Particulate matter Nitrogen oxides Diesel Chemical properties Thermal efficiency Sulfur Corporate average fuel economy Ignition delay Cylinders
Content Type	Text
Resource Type	Article

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