The new Stage 5 European regulation for Non Road Mobile Machinery has lowered the limits on pollutant emissions for all the categories of internal combustion engines. An interesting alternative to the implementation of sophisticated after-treatment systems is to downsize the engine, and provide the extra power for peak demands with an electric motor, installed in place of the flywheel.The paper explores the potential of this concept, applied to an industrial engine, manufactured by Kohler, and delivering a maximum power of 56 kW@2600 rpm. The study is supported by a comprehensive experimental characterization of the internal combustion engine and of the electric components. A representative duty cycle is also defined, on the basis of a set of measures, taken in real operating conditions. The analysis of this reference cycle is performed by using a GT-Suite model, comparing different power split strategies. It is found that the ICE total displacement can be reduced from 2.5 to 1.9 L (from 4 to 3 cylinders), without any penalization on powertrain performance and weight. A relevant reduction of soot (22%) and NOx (16%) emissions is observed, along with a slight reduction of fuel consumption.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Potential of Electrification Applied to Non-Road Diesel Engines


    Additional title:

    Sae Technical Papers



    Conference:

    14th International Conference on Engines & Vehicles ; 2019



    Publication date :

    2019-09-09




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Potential of Electrification Applied to Non-Road Diesel Engines

    Mattarelli, Enrico / Rinaldini, Carlo Alberto / Scrignoli, Francesco et al. | British Library Conference Proceedings | 2019


    Electrification vs diesel-electrification

    Hatch, P.H. | Engineering Index Backfile | 1948



    Concept exploration applied to diesel engines

    Stapersma, D. / Grimmelius, H. T. / Conseil International des Machines a Combustion | British Library Conference Proceedings | 2001


    Pyrometry applied to submarine diesel engines

    Perry, E.B. | Engineering Index Backfile | 1931