LAMINAR BURNING VELOCITY OF ACETYLENE-AIR MIXTURES IN A SPHERICAL CONSTANT VOLUME VESSEL

Abstract

Laminar burning velocity is an intrinsic property of a combustible mixture. Of the various methods of measuring burning velocity, the constant volume method is found to be a potentially versatile and accurate method, particularly in relation to the dependence of burning velocity on mixture composition, pressure and temperature. Acetylene - air mixtures were spark ignited centrally at varying initial pressures and mixture compositions in a spherical constant volume combustion vessel.. The measurements of burning velocity were made by analysis of pressure•.time records alone. Dependence of burning velocity on mixture composition., initial pressure and unburned gas temperature has been investigated and the results obtained are compared with the available literature data.