• Analysis of Ignition and Combustion in Otto Lean-Burn Engines with Prechambers 

      Norum, Viggo Lauritz (Doktoravhandlinger ved NTNU, 1503-8181; 2008:160, Doctoral thesis, 2008)
      Otto-engines in which the combustion chamber has richer fuel/air mix close to the ignition source and leaner charge further away from the ignition source are often called "stratified charge engines". Stratified charge can ...