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Title: One-dimensional turbulence modeling of a turbulent counterflow flame with comparison to DNS

Journal Article · · Combustion and Flame
 [1];  [2];  [1];  [3];  [3];  [3]
  1. Brandenburg Technical Univ. Cottbus-Senftenberg, Cottbus (Germany)
  2. Consultant, Danville, CA (United States)
  3. Sandia National Lab. (SNL-CA), Livermore, CA (United States). Combustion Research Facility

The one-dimensional turbulence (ODT) model is applied to a reactant-to-product counterflow configuration and results are compared with DNS data. The model employed herein solves conservation equations for momentum, energy, and species on a one dimensional (1D) domain corresponding to the line spanning the domain between nozzle orifice centers. The effects of turbulent mixing are modeled via a stochastic process, while the Kolmogorov and reactive length and time scales are explicitly resolved and a detailed chemical kinetic mechanism is used. Comparisons between model and DNS results for spatial mean and root-mean-square (RMS) velocity, temperature, and major and minor species profiles are shown. The ODT approach shows qualitatively and quantitatively reasonable agreement with the DNS data. Scatter plots and statistics conditioned on temperature are also compared for heat release rate and all species. ODT is able to capture the range of results depicted by DNS. As a result, conditional statistics show signs of underignition.

Research Organization:
Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1184367
Alternate ID(s):
OSTI ID: 1237366; OSTI ID: 1246493
Report Number(s):
SAND-2015-4482R; SAND-2015-0212J; 590565
Journal Information:
Combustion and Flame, Vol. 162, Issue 8; ISSN 0010-2180
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 17 works
Citation information provided by
Web of Science

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