This paper presents the investigation of the nature of cyclic combustion variations in gasoline–diesel RCCI engine. An automotive diesel engine is modified with suitable hardware modifications and instrumentation to operate it in reactivity controlled compression ignition (RCCI) combustion mode. A development electronic control unit (ECU) is used to control the fuel injection events. The experiments were performed at a constant engine speed of 1500 rpm and engine load of 1.5 bar BMEP for various diesel injection timings with single and double injection strategy. In-cylinder pressure history of 1000 consecutive engine cycles is recorded for combustion stability analysis. The return map technique is used for determining the nature of combustion stability in total heat release (THR) of gasoline–diesel RCCI engine. The results depict the presence of randomness for retarded injection timings and correlations for advanced injection timings where cyclic variations are too high.


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    Title :

    Investigation of Nature of Cyclic Combustion Variations in RCCI Engine


    Additional title:

    Lect.Notes Mechanical Engineering



    Conference:

    National Conference on IC Engines and Combustion ; 2019 ; Kurukshetra, India November 01, 2019 - November 04, 2019



    Publication date :

    2020-08-19


    Size :

    10 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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