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    Computational analysis of turbulence enhancement in a compression ignition engine with modified inlet design.

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    Type
    Article
    Authors
    Chinnamuthu, Nandakumar
    Ganapathy, Saravanan Chidambaram
    Malaiperumal, Vikneswaran
    Varuvel, Edwin Geo cc
    Raman, Vallinayagam cc
    Boologarajan, Poonguzhali
    Kannan, Ashok
    KAUST Department
    Clean Combustion Research Center
    Physical Science and Engineering (PSE) Division
    Date
    2020-08-04
    Embargo End Date
    2021-08-06
    Submitted Date
    2020-04-30
    Permanent link to this record
    http://hdl.handle.net/10754/664577
    
    Metadata
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    Abstract
    This study aims to enhance the turbulence of direct injection (DI) diesel engine by modifying the inlet manifold design with an inclined nozzle-like provision angles of 30°, 60°, and 90° along with its regular intake system. Numerical analysis was carried out using the computational fluid dynamics package (STAR-CD libraries of es-ice) to study the flow field and combustion characteristic with the modified intake manifold geometries. The computational investigation was carried out for both single and double pass conditions at 1500 rpm under high-load operating condition (5.2 kW). The computational results showed that the velocity magnitude of modified single pass intake manifold increases by about 10% that results in higher turbulence even near the point of fuel injection. Through the modification in the inlet manifold, the combustion parameters such as in-cylinder pressure and in-cylinder temperature are increased as compared to the standard manifold for the same quantity of fuel injected per cycle. In summary, the 60° modified manifold with a single pass shows better combustion and emission characteristics compared to that of regular inflow manifolds due to the improvement in turbulence levels.
    Citation
    Chinnamuthu, N., Ganapathy, S. C., Malaiperumal, V., Varuvel, E. G., Raman, V., Boologarajan, P., & Kannan, A. (2020). Computational analysis of turbulence enhancement in a compression ignition engine with modified inlet design. Environmental Science and Pollution Research. doi:10.1007/s11356-020-10157-9
    Publisher
    Springer Science and Business Media LLC
    Journal
    Environmental science and pollution research international
    DOI
    10.1007/s11356-020-10157-9
    PubMed ID
    32754883
    Additional Links
    http://link.springer.com/10.1007/s11356-020-10157-9
    ae974a485f413a2113503eed53cd6c53
    10.1007/s11356-020-10157-9
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Clean Combustion Research Center

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