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    Injection Strategies for Isobaric Combustion

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    Name:
    JSAE2020_Kyoto_RafigBabayev.pdf
    Size:
    1.710Mb
    Format:
    PDF
    Description:
    Accepted manuscript
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    Type
    Conference Paper
    Authors
    Babayev, Rafig cc
    Houidi, Moez Ben
    Shankar, VS Bhavani
    Aljohani, Bassam
    Johansson, Bengt cc
    KAUST Department
    Clean Combustion Research Center
    Mechanical Engineering
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2019-12-20
    Permanent link to this record
    http://hdl.handle.net/10754/665948
    
    Metadata
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    Abstract
    In a previous study, we demonstrated that the isobaric combustion cycle, achieved with a split injection strategy, can be more suitable for the double compression expansion engine concept than the conventional diesel combustion cycle. The present work is focused on understanding the effect of different injection strategies on the heat release, efficiency, and emissions of isobaric combustion at the peak cylinder pressure of 150 bar. In situ injection rate measurements are performed to improve our understanding of the heat release rate shape and pollutant formation. A variation of load is performed to demonstrate the feasibility of the isobaric combustion cycle at higher loads, and the means of achieving them. The thermal efficiency reduces at lower loads because of heat losses. It peaks at a medium load point before reducing again at higher loads because of exhaust losses. The effect of altering the injection strategy on the isobaric combustion cycle is also studied at a constant equivalence ratio. The alteration of injection strategy is proven to have minimal effect on efficiency, loss mechanisms, and emissions when more than one injection is used.
    Citation
    Babayev, R., Houidi, M. B., Shankar, V. B., Aljohani, B., & Johansson, B. (2019). Injection Strategies for Isobaric Combustion. SAE Technical Paper Series. doi:10.4271/2019-01-2267
    Publisher
    SAE International
    DOI
    10.4271/2019-01-2267
    Additional Links
    https://www.sae.org/content/2019-01-2267/
    ae974a485f413a2113503eed53cd6c53
    10.4271/2019-01-2267
    Scopus Count
    Collections
    Conference Papers; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program; Clean Combustion Research Center

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