The influence of the number of nozzle holes, turbocharging and an oxidizing catalytic converter in an ethanol fuelled spark-assisted diesel engine (SADE) is investigated. Emissions, brake thermal efficiency and other performance parameters are measured and compared with the base-diesel model. The results show that a SADE equipped with a 7-hole injector nozzle and an oxidizing catalytic converter reduces HC and CO emissions drastically at low load, and meets the ECE-49 exhaust emissions standard. Additionally, the SADE exhibits superior brake thermal efficiency at high loads. The brake specific HC and CO emissions are superior to the base-diesel model and the engine operates on lean mixtures at all speeds and loads.


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    Title :

    Exhaust Emissions of an Ethanol D.I. Spark-Assisted Diesel Engine Equipped with a Catalytic Converter


    Additional title:

    Sae Technical Papers


    Contributors:
    Ubong, E. (author) / Niemi, S. (author)

    Conference:

    International Congress & Exposition ; 1991



    Publication date :

    1991-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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