Wall wetting can occur irrespective of combustion concept in diesel engines, e.g. during the compression stroke. This action has been related to engine-out emissions in different ways, and an experimental investigation of impinging diesel sprays is thus made for a standard diesel fuel and a two-component model fuel (IDEA).The experiment was performed at conditions corresponding to those found during the compression stroke in a heavy duty diesel engine. The spray characteristics of two fuels were measured using two different optical methods: a Phase Doppler Particle Analyzer (PDPA) and high-speed imaging. A temperature controlled wall equipped with rapid, coaxial thermocouples was used to record the change in surface temperature from the heat transfer of the impinging sprays. This work demonstrated that the two different fuels used in the experiments have spray characteristics that behave in a similar way for a relatively wide range of air temperatures and air pressures, before and after wall impingement.


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    Titel :

    An Experimental Investigation of Spray-Wall Interaction of Diesel Sprays


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Magnusson, Alf (Autor:in) / Andersson, Sven (Autor:in)

    Kongress:

    SAE World Congress & Exhibition ; 2009



    Erscheinungsdatum :

    20.04.2009




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    An experimental investigation of spray-wall interaction of diesel sprays

    Magnusson,A. / Andersson,S. / Chalmers Univ.of Technology,SE | Kraftfahrwesen | 2009


    Spray-wall interaction of Diesel sprays

    Magnusson, Alf | TIBKAT | 2009



    Spray Angle and Atomization in Diesel Sprays

    Varde,K.S. / Popa,D.M. / Varde,L.K. et al. | Kraftfahrwesen | 1984


    Spray Angle and Atomization in Diesel Sprays

    Popa, D. M. / Varde, K. S. / Varde, L. K. | SAE Technical Papers | 1984