Octane number requirement (ONR) studies were made with eight cars to evaluate effects of temperature, humidity, and altitude; primary reference and 1965 CRC-full-boiling reference fuels were used; temperature and humidity tests were made on chassis dynamometer at sea level, while effect of barometric pressure was studied on road at altitudes up to 6000 ft; regression analysis was used to study correlation between changes in ONR and changes in temperature and humidity; correlations were linear and varied among cars; average changes in ONR were smaller, but in fair agreement with those reported in literature; other findings.


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    Title :

    Effects of atmospheric variables on passenger car octane number requirements


    Additional title:

    SAE -- Paper


    Contributors:

    Conference:

    SAE Meeting ; 1966



    Publication date :

    1966


    Size :

    9 pages


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English


    Keywords :


    Effects of Atmospheric Variables on Passenger Car Octane Number Requirements

    Unzelman, G. H. / Ingamells, J. C. / Gerber, N. H. et al. | SAE Technical Papers | 1966


    Octane requirements of Italian passenger cars

    Sezzi, F.G. | Engineering Index Backfile | 1959


    Passenger car octane requirements at high altitudes

    Brenneman, A.E. / Haines, P.L. | Engineering Index Backfile | 1957


    Octane number requirements survey, 1966

    Engineering Index Backfile | 1967


    Road Octane Number Trends of Japanese Passenger Cars

    Date, K. / Maeda, T. / Nishizaki, T. | SAE Technical Papers | 1977