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Comparison of Simulation and Experiment for Soot Concentration in a 2m Diameter JP-8 Fire

[+] Author Affiliations
Sheldon R. Tieszen

Sandia National Laboratories, Albuquerque, NM

Paper No. HT2005-72809, pp. 747-750; 4 pages
doi:10.1115/HT2005-72809
From:
  • ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems
  • Heat Transfer: Volume 1
  • San Francisco, California, USA, July 17–22, 2005
  • Conference Sponsors: Heat Transfer Division and Electronic and Photonic Packaging Division
  • ISBN: 0-7918-4731-4 | eISBN: 0-7918-3762-9
  • Copyright © 2005 by ASME

abstract

A comparison is made between numerical simulations and experimental data for soot and water vapor concentration in a JP-8 fire. Soot concentration depends on soot generated/destroyed per unit flame area (subgrid soot model) and the overall flame area per unit volume (turbulence treatment). Two different turbulence treatments, a steady RANS variant and an unsteady LES variant, are used to determine the effect of overall flame area per unit volume. The results indicate that the difference in the two turbulence treatments is greater than the difference between the data and either approach.

Copyright © 2005 by ASME
Topics: Simulation , Fire , Soot

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