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http://dx.doi.org/10.22710/JICT.2019.9.1.013

Study on Detection of Combustion Phase in Compression Ignition Diesel Engine  

Kim, Seunggwan (School of Mechanical Engineering, Chonnam National University)
Park, Hyowon (School of Mechanical Engineering, Chonnam National University)
Choi, Seongcheol (School of Mechanical Engineering, Chonnam National University)
Jo, Seongin (Department of Mechanical Engineering, Graduate School of Chonnam National University)
Park, Suhan (School of Mechanical Engineering, Chonnam National University)
Publication Information
Journal of Institute of Convergence Technology / v.9, no.1, 2019 , pp. 13-19 More about this Journal
Abstract
The purpose of this study is to suggest a new method to determine a combustion phase (start of combustion and end of combustion) using a combustion pressure data. Unlike previous research method that used heat release amount, the difference between the combustion pressure measured in the combustion chamber and the motoring pressure was used to determine the combustion phase. This research was conducted using a single-cylinder diesel engine with a compression ratio of 17.7. The test was conducted under various injection timing. The newly proposed method showed high accuracy in combustion mode with early injection, as well as the conventional combustion mode. It is expected that this method will be used to study new combustion strategies such as HCCI (homogeneous charge compression ignition) and RCCI (reactivity controlled compression ignition) that are applying early injection strategies as well as existing combustion modes.
Keywords
Combustion phase; Compression ignition diesel engine; Heat release; Ignition delay;
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