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Influence of Thermo-Diffusive Effects on Turbulent Propagating Iso-Octane/Air Flames at Fixed Turbulence Karlovitz Number
Published September 29, 2010 by Society of Automotive Engineers of Japan in Japan
Turbulent flames of iso-octane/air mixtures were studied at the equivalence ratios from 0.8 to 1.4 and the initial pressures from 0.10 to 0.50 MPa. The properties of turbulent burning velocity are influenced not only by the increase in turbulent flame front area due to the turbulence but also by the local flame stretch acting on turbulent flame front which magnitude may be represented by the turbulence Karlovitz number. In order to investigate the influence of thermo-diffusive effects on turbulent burning velocity solely, turbulent explosions were carried out at the fixed turbulence Karlovitz numbers.