A 50 cc Two-Stroke DI Compression Ignition Engine Fuelled by DME

Kim Rene Hansen, Claus Suldrup Nielsen, Spencer C Sorenson, Jesper Schramm

    Research output: Contribution to journalConference articleResearchpeer-review

    Abstract

    The low auto-ignition temperature, rapid evaporation and high cetane number of dimethyl ether (DME) enables the use of low-pressure direct injection in compression ignition engines, thus potentially bringing the cost of the injection system down. This in turn holds the promise of bringing CI efficiency to even the smallest engines. A 50cc crankcase scavenged two-stroke CI engine was built based on moped parts. The major alterations were a new cylinder head and a 100 bar DI system using a GDItype injector. Power is limited by carbon monoxide emission but smoke-free operation and NOx less than 200ppm is achieved at all points of operation.
    Original languageEnglish
    Book seriesS A E Technical Papers
    Pages (from-to)SAE 2008-01-1535
    ISSN0148-7191
    Publication statusPublished - 2008
    Event2008 SAE International Powertrains, Fuels and Lubricants Congress - Shanghai, China
    Duration: 23 Jun 200825 Jun 2008

    Conference

    Conference2008 SAE International Powertrains, Fuels and Lubricants Congress
    Country/TerritoryChina
    CityShanghai
    Period23/06/200825/06/2008

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