A dual-fuel conversion for the 3406-B Caterpillar marine diesel engine has been developed. The purpose of this conversion is to use lower priced natural gas as a fuel, this providing substantial cost savings for large fuel consumers. The conversion applies dual-fuel technology to the smaller high-speed direct-injected diesel engine. Parameters are identified which allow a dual-fuel conversion to operate with similar performance as a diesel engine while simultaneously maintaining parameters that promote engine life. Test data is presented comparing various characteristics of both dual-fuel and diesel operation. Details of the conversion system are given. Data is presented showing fuel consumption, conditions leading to engine knock, conditions promoting methane flame propagation, and air-fuel ratios required for efficient combustion. The system resulting from this study will use Liquefied Natural Gas LNG) to power a dual-fuel conversion of a shrimp boat's main engine and generator set. The cold temperatures of the LNG will also be used as a heat sink to refrigerate the fish-hold area of the boat.


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    Titel :

    Dual fuel development for an LNG marine engine


    Weitere Titelangaben:

    Entwicklung eines Fluessigerdgasschiffsmotors fuer zwei Kraftstoffe


    Beteiligte:
    Acker, G.H. (Autor:in)

    Erschienen in:

    SAE-Papers ; Apr ; 1-15


    Erscheinungsdatum :

    1988


    Format / Umfang :

    15 Seiten, 13 Bilder, 43 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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