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Abstract

The four papers comprising this session describe emissions from pre-mixed, diffusion and fuel-spray flames and NO formation in shock-induced burning. The authors and discussors present evidence supporting the theory of the effects of super equilibrium radical concentrations in enhancing the formation rate of NO and slowing the burnout of CO. A reverse theory is presented for those metallic additives presumed to aid in carbon burnout by restoring radical concentrations from below to more nearly their equilibrium concentrations in flames produced from hydrocarbon sprays. The conclusions reached from these reports, mostly of research in progress, again emphasize the great importance of the interplay between physical and chemical parameters in the performance of practical combustion systems. The effect of this interaction would appear to be of even greater importance in affecting emission levels than in the case of our previous concern over achieving high combustion efficiency and tailored temperature and velocity profiles.

Keywords

Velocity Profile Formation Rate Equilibrium Concentration Chemical Parameter Massachusetts Institute 
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Copyright information

© Springer Science+Business Media New York 1972

Authors and Affiliations

  • G. C. Williams
    • 1
  1. 1.Massachusetts Institute of TechnologyCambridgeUSA

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