Accession Number:

ADA158692

Title:

Fuels Combustion Research.

Descriptive Note:

Annual rept. 1 Mar 82-28 Feb 83,

Corporate Author:

PRINCETON UNIV NJ DEPT OF MECHANICAL AND AEROSPACE ENGINEERING

Personal Author(s):

Report Date:

1983-11-22

Pagination or Media Count:

144.0

Abstract:

A qualitative mechanism of aromatic oxidation has been developed and is of significant importance for the understanding of soot processes and combustor modelling. Kinetic results on toluene and ethyl benzene have elucidated how aromatic side chains are oxidized and contribute further towards developing overall mechanisms for combustor modellers. Extensive results on fuel pyrolysis rates have been obtained. These results reveal that pyrolysis rates alone do not control sooting intensity, but also the pyrolysis reveal that pyrolysis rates alone do not control sooting intensity, but also the pyrolysis intermediates formed. A complete phenomenological model of soot formation has been developed and refined by comparison with the experimental results. This model has permitted the identification of the phenomena controlling soot formation in both premixed and diffusion flame combustion systems and has great immediate practical applications. In particular, lengthy experimentation has shown that the combustion temperature is one of the most significant parameters in determining sooting tendencies in both diffusion and premixed flame situations with temperature as a controlled parameter the real effect fo fuel type can be determined. A reliable generator of well characterized suspensions of boron slurries has been designed and constructed. Two significant new findings with respect to the ignition combustion of boron particles have been reported. The theoretical work on turbulent combustion has treated both premixed and diffusion flames by asymptotic methods.

Subject Categories:

  • Combustion and Ignition
  • Fuels

Distribution Statement:

APPROVED FOR PUBLIC RELEASE