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    ARTICLE

    Optimization of a Diesel Injector Nozzle

    Yaofei Zhang1, Guoxiang Li1, Shuzhan Bai1, Ke Sun1,*, Guihua Wang1,*, Yujie Jia2, Zhengxian Fang2
    FDMP-Fluid Dynamics & Materials Processing, DOI:10.32604/fdmp.2023.028804
    (This article belongs to this Special Issue: Recent Advances in Fluid Mechanics and Thermal Sciences II)
    Abstract Multiphase simulations based on the VOF (Volume of Fluid) approach, used in synergy with the cavitation Schnerr-Sauer method and the K-Epsilon turbulence model, have been conducted to study the behavior of an injector nozzle as a function of relevant structural parameters (such as the spray hole diameter and length). The related performances have been optimized in the framework of orthogonal experimental design and range analysis methods. As made evident by the results, as the spray hole diameter increases from 0.10 to 0.20 mm, the outlet mass flow rate grows by 243.23%. A small diameter of the spray hole, however, has… More >