Abstract In this study, a visual investigation of sprays and flames is performed, and soot formation in Diesel-GTL fuel blends is studied in a specially designed quiescent constant-volume chamber under various ambient gas temperatures and $ O_{2} $ concentrations. Similar to the case of soot formation during diesel fuel combustion, the sooting zone during the mixing-controlled combustion of Diesel-GTL blends is located in the leading portion of the jet boundaries. Auto-ignition delay and soot concentration decrease with an increase of GTL content in the fuel blend. Soot also decreases with lower $ O_{2} $ concentration, higher injection pressure, and lower ambient gas temperature. The lack of soot formation at lower $ O_{2} $ concentrations and lower temperatures suggests that Diesel-GTL fuel blends can be successfully utilized in low-temperature diesel combustion technologies that are currently being developed. Furthermore, this mixing controlled combustion method with Diesel-GTL blends can be used to modulate various engine operation parameters, and therefore to simultaneously reduce the formation of soot and NOx within a wide range of diesel engine loads.


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    Title :

    Investigation of soot formation in Diesel-GTL fuel blends under quiescent conditions


    Contributors:
    Azimov, U. B. (author) / Roziboyev, E. A. (author) / Kim, K. S. (author) / Jeong, D. S. (author) / Lee, Y. G. (author) / Yun, J. E. (author)


    Publication date :

    2008




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Classification :

    BKL:    55.20$jStraßenfahrzeugtechnik / 55.20 Straßenfahrzeugtechnik



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