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Title: Impact of multi-component diffusion in turbulent combustion using direct numerical simulations

This study presents the results of DNS of a partially premixed turbulent syngas/air flame at atmospheric pressure. The objective was to assess the importance and possible effects of molecular transport on flame behavior and structure. To this purpose DNS were performed at with two proprietary DNS codes and with three different molecular diffusion transport models: fully multi-component, mixture averaged, and imposing the Lewis number of all species to be unity.
Authors:
 [1] ;  [1] ;  [2] ;  [2]
  1. United Technologies Research Center, East Hartford, CT (United States)
  2. Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Publication Date:
OSTI Identifier:
1236217
Report Number(s):
SAND--2015-6887J
Journal ID: ISSN 0010-2180; PII: S001021801500214X
Grant/Contract Number:
AC04-94AL85000
Type:
Accepted Manuscript
Journal Name:
Combustion and Flame
Additional Journal Information:
Journal Volume: 162; Journal Issue: 11; Journal ID: ISSN 0010-2180
Publisher:
Elsevier
Research Org:
Sandia National Laboratories (SNL-CA), Livermore, CA (United States)
Sponsoring Org:
USDOE National Nuclear Security Administration (NNSA)
Country of Publication:
United States
Language:
English
Subject:
10 SYNTHETIC FUELS premixed turbulent combustion; molecular diffusion; multi-component diffusion