Accession Number : ADA268017


Title :   Surface Reactivity of Combustion Generated Soot Particles


Descriptive Note : Annual technical rept. 1 Jun 92-30 May 93,


Corporate Author : PENNSYLVANIA STATE UNIV UNIVERSITY PARK


Personal Author(s) : Santoro, Robert J


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a268017.pdf


Report Date : 01 Jul 1993


Pagination or Media Count : 38


Abstract : During the first year of this AASERT program, efforts have focused on the development of a sampling probe to extract soot particles from a laminar diffusion flame. Soot samples collected with this system are to be used to study the surface reactivity of the soot particles as a function of position in the flame. A suitable probe system has been developed and tested. Comparisons with laser-based measurements of percent conversion of fuel to soot show reasonable agreement. Additional studies have also been conducted to examine the applicability of laser-induced incandescence (LII) as a soot diagnostic. Results have demonstrated that the LII technique compares very well with previous measurements in a well-studied ethene/air laminar diffusion flame. Measurements of soot volume fraction, particle diameter and number density have been demonstrated.... Soot particles, Surface reactivity, Gas turbines, Diffusion flames, Particle growth.


Descriptors :   *SOOT , *REACTIVITIES , *SURFACES , *COMBUSTION , *DIFFUSION , *FLAMES , *PARTICLES , CONVERSION , DENSITY , FUELS , INCANDESCENCE , LAMINAR FLOW , SAMPLING , GAS TURBINES , DIAMETERS , LASERS , AIR , MEASUREMENT , PROBES


Subject Categories : Physical Chemistry
      Fluid Mechanics
      Thermodynamics
      Combustion and Ignition


Distribution Statement : APPROVED FOR PUBLIC RELEASE