The characteristics of combustion, emissions, and thermal efficiency of a diesel engine with direct injection neat n-butanol were investigated. Tests were conducted on a single cylinder water-cooled four stroke direct injection diesel engine. The engine ran at a load of 6.5 ∼ 8.0 bar IMEP at 1500 rpm engine speed and the injection pressure was controlled to 900 bar. The intake boost pressure, injection timing and EGR rate were adjusted to investigate the engine performance. The test results showed that significantly longer ignition delays were possible when using butanol compared to diesel fuel. Butanol usage generally led to a rapid heat release in a short period, resulting in excessively high pressure rise rate. The pressure rise rate was reduced by retarding the injection timing. The butanol injection timing was limited by misfire and pressure rise rate. Thus, the ignition timing controllable window by injection timing was much narrower than that of diesel. The neat butanol combustion produced near zero soot and very low NOx emissions even at low EGR rate. The tests demonstrated that neat butanol had the potential to achieve ultra-low emissions. However, challenges related to reducing the pressure rise rate and improving the ignition controllability were identified.
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ASME 2013 Internal Combustion Engine Division Fall Technical Conference
October 13–16, 2013
Dearborn, Michigan, USA
Conference Sponsors:
- Internal Combustion Engine Division
ISBN:
978-0-7918-5609-3
PROCEEDINGS PAPER
Preliminary Investigation of Direct Injection Neat n-Butanol in a Diesel Engine
Tadanori Yanai,
Tadanori Yanai
University of Windsor, Windsor, ON, Canada
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Xiaoye Han,
Xiaoye Han
University of Windsor, Windsor, ON, Canada
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Graham T. Reader,
Graham T. Reader
University of Windsor, Windsor, ON, Canada
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Ming Zheng,
Ming Zheng
University of Windsor, Windsor, ON, Canada
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Jimi Tjong
Jimi Tjong
Ford Motor Company, Windsor, ON, Canada
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Tadanori Yanai
University of Windsor, Windsor, ON, Canada
Xiaoye Han
University of Windsor, Windsor, ON, Canada
Graham T. Reader
University of Windsor, Windsor, ON, Canada
Ming Zheng
University of Windsor, Windsor, ON, Canada
Jimi Tjong
Ford Motor Company, Windsor, ON, Canada
Paper No:
ICEF2013-19219, V001T03A028; 10 pages
Published Online:
February 26, 2014
Citation
Yanai, T, Han, X, Reader, GT, Zheng, M, & Tjong, J. "Preliminary Investigation of Direct Injection Neat n-Butanol in a Diesel Engine." Proceedings of the ASME 2013 Internal Combustion Engine Division Fall Technical Conference. Volume 1: Large Bore Engines; Advanced Combustion; Emissions Control Systems; Instrumentation, Controls, and Hybrids. Dearborn, Michigan, USA. October 13–16, 2013. V001T03A028. ASME. https://doi.org/10.1115/ICEF2013-19219
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