IT has been found by the authors that fuels fed to a crbureted spark-ignition engine may undergo severe “prereactions” during the compression stroke prior to spark ignition as differentiated from “preflame” reactions which take place ahead of the advancing flame front in the remaining unburned part of the air/fuel mixture in the cylinder after ignition.It appears that the extent of prereactions is a function of fuel type and engine operating variables. The alteration or prereaction of fuels increases with severity of engine operation. Intake temperature and compression ratio are major variables affecting engine severity.These tests show that the prereactions play an important part in the knocking phenomenon.IT has been found by the authors that fuels fed to a crbureted spark-ignition engine may undergo severe “prereactions” during the compression stroke prior to spark ignition as differentiated from “preflame” reactions which take place ahead of the advancing flame front in the remaining unburned part of the air/fuel mixture in the cylinder after ignition.It appears that the extent of prereactions is a function of fuel type and engine operating variables. The alteration or prereaction of fuels increases with severity of engine operation. Intake temperature and compression ratio are major variables affecting engine severity.These tests show that the prereactions play an important part in the knocking phenomenon.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    PRECOMBUSTION REACTION IN THE SPARK-IGNITION ENGINE


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Pre-1964 SAE Technical Papers ; 1906



    Publication date :

    1950-01-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Precombustion reaction in spark-ignition engine

    Retailliau, E.R. / Richards, Jr., H.A. / Jones, M.C.K. | Engineering Index Backfile | 1950


    Measurements and Predictions of the Precombustion Fluid Motion and Combustion Rates in a Spark Ignition Engine

    Borgnakke, Claus / Martin, Jay K. / Witze, Peter O. | SAE Technical Papers | 1983


    Measurements and predictions of the precombustion fluid motion and combustion rates in a spark ignition engine

    Witze,P.O. / Martin,J.K. / Borgnakke,C. et al. | Automotive engineering | 1983


    The importance of NO2 in bench tests for precombustion deposits in the spark ignition engine intake system

    Chou,T.L. / Priestman,G.H. / Chinese Petroleum,CH et al. | Automotive engineering | 1993