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  • Open Access

    ARTICLE

    Nanoparticle Distribution in Compression Ignition Engines Using Rapeseed Methyl Ester

    Hayder A. Dhahad1, Miqdam T. Chaichan2,*, Mohammed A. Fayad2, Hasanain A. Abdul Wahhab3, T. Magrites4

    Energy Engineering, Vol.122, No.4, pp. 1249-1264, 2025, DOI:10.32604/ee.2025.061617 - 31 March 2025

    Abstract One of the most important of these emissions is fine particulate matter, which is a harmful emission of diesel engines, leading to the imposition of strict regulations. Biodiesel, with its high oxygen content, is an effective alternative to significantly reduce these emissions. In this study, rapeseed methyl ester (RME) was used as a diesel engine fuel and the emitted particulate matter was compared with ultra-low sulfur diesel (ULSD). In most experimental studies, the emission of soot was measured. In this work, the effects of injection timing, injection pressure (IP), and engine load on fine particulate… More > Graphic Abstract

    Nanoparticle Distribution in Compression Ignition Engines Using Rapeseed Methyl Ester

  • Open Access

    ARTICLE

    Effects of Particle Concentration on the Dynamics of a Single-Channel Sewage Pump under Low-Flow-Rate Conditions

    Peijian Zhou1,2, Chaoshou Yan3, Lingfeng Shu4, Hao Wang2, Jiegang Mou2,*

    FDMP-Fluid Dynamics & Materials Processing, Vol.17, No.5, pp. 871-886, 2021, DOI:10.32604/fdmp.2021.012250 - 05 July 2021

    Abstract Single-channel sewage pumps are generally used to transport solid-liquid two-phase media consisting of a fluid and solid particles due to the good non-clogging property of such devices. However, the non-axisymmetric structure of the impeller of this type of pumps generally induces flow asymmetry, oscillatory outflow during operations, and hydraulic imbalance. In severe cases, these effects can jeopardize the safety and stability of the overall pump. In the present study, such a problem is investigated in the framework of a Mixture multiphase flow method coupled with a RNG turbulence model used to determine the structure of… More >

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