SOME of the difficulties involved in accurate determination of the radial-pressure distribution of a piston ring compressed to cylinder diameter are discussed. Specific experiments made with the NACA's specially designed piston-ring gage are described, and the results compared with those obtained by analysis.Twelve equally spaced load-measuring elements were found to be sufficient to determine discrepancies in a ring of good quality.A cylinder that is out of round by as little as 0.005 in. is capable of significantly affecting the radial-pressure pattern of a piston ring. The patterns for both cast-iron and steel rings varied with strain history.SOME of the difficulties involved in accurate determination of the radial-pressure distribution of a piston ring compressed to cylinder diameter are discussed. Specific experiments made with the NACA's specially designed piston-ring gage are described, and the results compared with those obtained by analysis.Twelve equally spaced load-measuring elements were found to be sufficient to determine discrepancies in a ring of good quality.A cylinder that is out of round by as little as 0.005 in. is capable of significantly affecting the radial-pressure pattern of a piston ring. The patterns for both cast-iron and steel rings varied with strain history.


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    Titel :

    Measurement of Piston-Ring Radial-Pressure Distribution


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    Pre-1964 SAE Technical Papers ; 1906



    Erscheinungsdatum :

    01.01.1948




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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