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Dual Fuel Combustion Model for a Large Low-Speed 2-Stroke Engine

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F16%3A00308065" target="_blank" >RIV/68407700:21220/16:00308065 - isvavai.cz</a>

  • Result on the web

    <a href="http://papers.sae.org/2016-01-0770" target="_blank" >http://papers.sae.org/2016-01-0770</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.4271/2016-01-0770" target="_blank" >10.4271/2016-01-0770</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Dual Fuel Combustion Model for a Large Low-Speed 2-Stroke Engine

  • Original language description

    A quasi-dimensional dual fuel combustion model is proposed for a large 2-stroke marine engine. The introduced concept accounts for both diffusion combustion of the liquid pilot fuel and the flame front propagation throughout the gaseous premixed charge. For the pilot fuel case a common integral formulation defines the ignition delay whereas a time scale approach is incorporated for the combustion progress modeling. In order to capture spatial differences given by the scavenging process and the admission of the gaseous fuel, the cylinder volume is discretized into a number of zones. The laws of conservation are applied to calculate the thermodynamic conditions and the fuel concentration distribution. Subsequently, the ignition delay of the gaseous fuel-air mixture is determined by the use of tabulated kinetics and the ensuing oxidation is described by a flame velocity correlation. The development of particular sub-models is closely linked to corresponding 3D-CFD investigations whereas the resulting burn rates and pressure traces are validated against the experimental engine data. Furthermore, the model implementation into a commercial 1D simulation tool allows performing full cycle calculations and thus facilitates utilization for future engine development and optimization process.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    JT - Propulsion, engines and fuels

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Society of Automotive Engineers Technical Paper Series

  • ISSN

    0148-7191

  • e-ISSN

  • Volume of the periodical

    2016

  • Issue of the periodical within the volume

    01

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    12

  • Pages from-to

  • UT code for WoS article

  • EID of the result in the Scopus database