This paper describes a new application of Karman vortex shedding frequency as a velocity sensor in a motored internal combustion engine cylinder. The probe design, experimental setup and data reduction procedures are described. The quality of data obtained depends strongly on the relative frequency distribution of the free-stream turbulence and of the vortex shedding induced by the vortex generator. The instrument was evaluated on a CFR engine equipped with a shrouded intake valve. The results are presented in terms of the airswirl ratio at several selected crank angle degrees versus engine speed. The limitations of the device were also demonstrated in L-head engine tests.


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    Title :

    Air Velocity Measurements in Engines by Vortex Shedding


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Automobile Engineering and Manufacturing Meeting ; 1974



    Publication date :

    1974-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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