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Yoo, Chun Sang
Clean Energy Research Lab
Research Interests
  • Numerical turbulent combustion
  • Combustion modelling
  • Hydrogen/Ammonia Gas turbine combustion

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Characteristic boundary conditions for direct simulations of turbulent counterflow flames

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Title
Characteristic boundary conditions for direct simulations of turbulent counterflow flames
Author
Yoo, Chun SangWang, YTrouve, AIm, HG
Issue Date
2005-11
Publisher
TAYLOR & FRANCIS LTD
Citation
COMBUSTION THEORY AND MODELLING, v.9, no.4, pp.617 - 646
Abstract
Improved Navier-Stokes characteristic boundary conditions (NSCBC) are formulated for the direct numerical simulations (DNS) of laminar and turbulent counterflow flame configurations with a compressible flow formulation. The new boundary scheme properly accounts for multi-dimensional flow effects and provides nonreflecting inflow and outflow conditions that maintain the mean imposed velocity and pressure, while substantially eliminating spurious acoustic wave reflections. Applications to various counterflow configurations demonstrate that the proposed boundary conditions yield accurate and robust solutions over a wide range of flow and scalar variables, allowing high fidelity in detailed numerical studies of turbulent counterflow flames.
URI
https://scholarworks.unist.ac.kr/handle/201301/7323
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=24344475381
DOI
10.1080/13647830500307378
ISSN
1364-7830
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