This paper provides a comparison of wall heat fluxes and quenching distances as one-dimensional hydrogen and heptane flames impinge head-on onto a wall. It is shown that the quenching distances for stoichiometric H2/air and C7H16/air flames under the specified conditions of this study are about the same, but the wall heat flux for the H2/air flames is approximately a factor of two greater. For lean H2/air mixtures, the quenching distance increases substantially and the wall heat flux decreases. To understand more clearly the interplay of flame speed, temperature, thermal diffusivity, and surface kinetics on the results, studies of H2/O2 flames are also carried out.
Wall Interactions of Hydrogen Flames Compared with Hydrocarbon Flames
Sae Technical Papers
SAE World Congress & Exhibition ; 2007
2007-04-16
Conference paper
English
Wall interactions of hydrogen flames compared with hydrocarbon flames
Automotive engineering | 2007
|Stability of Hydrogen-Hydrocarbon Blended Fuel Flames
Online Contents | 2003
|Stability of Hydrogen/Hydrocarbon Blended Fuel Flames
AIAA | 2003
|