Advanced electronically controlled diesel engines require a feedback signal to the ECU to adjust different operating parameters and meet demands for power, better fuel economy and low emissions. Different types of in-cylinder combustion sensors are being considered to produce this signal. This paper presents results of an experimental investigation on the characteristics of the ion current in an automotive diesel engine equipped with a common rail injection system. The engine is a 1.9 L, 4-cylinder, direct injection diesel engine. Experiments covered different engine loads and injection pressures. The relationships between the ion current, combustion parameters and engine out NO emissions and opacity are presented. The analysis of the experimental data identified possible sources of the ion current produced in diesel engines.
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April 2012
Research Papers
Ion Current, Combustion and Emission Characteristics in an Automotive Common Rail Diesel Engine
Naeim A. Henein,
Naeim A. Henein
Wayne State University College of Engineering
, 5050 Anthony Wayne Drive, Detroit, MI 48202
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Tamer Badawy,
Tamer Badawy
Wayne State University College of Engineering
, 5050 Anthony Wayne Drive, Detroit, MI 48202
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Nilesh Rai,
Nilesh Rai
Wayne State University College of Engineering
, 5050 Anthony Wayne Drive, Detroit, MI 48202
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Walter Bryzik
Walter Bryzik
Wayne State University College of Engineering
, 5050 Anthony Wayne Drive, Detroit, MI 48202
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Naeim A. Henein
Wayne State University College of Engineering
, 5050 Anthony Wayne Drive, Detroit, MI 48202
Tamer Badawy
Wayne State University College of Engineering
, 5050 Anthony Wayne Drive, Detroit, MI 48202
Nilesh Rai
Wayne State University College of Engineering
, 5050 Anthony Wayne Drive, Detroit, MI 48202
Walter Bryzik
Wayne State University College of Engineering
, 5050 Anthony Wayne Drive, Detroit, MI 48202J. Eng. Gas Turbines Power. Apr 2012, 134(4): 042801 (7 pages)
Published Online: January 25, 2012
Article history
Received:
June 18, 2010
Revised:
July 27, 2010
Online:
January 25, 2012
Published:
January 25, 2012
Citation
Henein, N. A., Badawy, T., Rai, N., and Bryzik, W. (January 25, 2012). "Ion Current, Combustion and Emission Characteristics in an Automotive Common Rail Diesel Engine." ASME. J. Eng. Gas Turbines Power. April 2012; 134(4): 042801. https://doi.org/10.1115/1.4004074
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