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

Bruno, Claudio; Sankaran, Vaidyanathan; Kolla, Hemanth; Chen, Jacqueline H.

doi:10.1016/j.combustflame.2015.07.013

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

Journal Article · Fri Aug 28 00:00:00 EDT 2015 · Combustion and Flame

DOI:https://doi.org/10.1016/j.combustflame.2015.07.013· OSTI ID:1236217

Bruno, Claudio ^[1]; Sankaran, Vaidyanathan ^[1]; Kolla, Hemanth ^[2]; Chen, Jacqueline H. ^[2]

United Technologies Research Center, East Hartford, CT (United States)
Sandia National Lab. (SNL-CA), Livermore, CA (United States)

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.

View Accepted Manuscript (DOE)

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Sandia National Laboratories (SNL-CA), Livermore, CA (United States)

Sponsoring Organization:: DOE Office of Science; USDOE; USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC02-05CH11231; AC04-94AL85000; AC05-00OR22725

OSTI ID:: 1236217

Alternate ID(s):: OSTI ID: 1254225

Report Number(s):: SAND--2015-6887J; PII: S001021801500214X

Journal Information:: Combustion and Flame, Journal Name: Combustion and Flame Journal Issue: 11 Vol. 162; ISSN 0010-2180

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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