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Numerical Study of Flame Structures and Conditional Statistics in Turbulent Spray Jet Combustion  

Seo, Jaeyeob (포항공과대학교 기계공학과 대학원)
Huh, Kang Y. (포항공과대학교 기계공학과)
Publication Information
Journal of the Korean Society of Combustion / v.17, no.3, 2012 , pp. 46-52 More about this Journal
Abstract
3D DNS is performed for n-heptane spray turbulent jet combustion. Diesel-like conditions are considered including single and multiple injections. Conditional statistics are obtained for multiple Lagrangian flame groups of sequentially evaporating fuel. Each fuel group represents the conditional statistics of an independent Lagrangian flame group. Sequentially evaporating fuel goes through different histories and residence times over the ignition delay period. Multiple flame groups are required for accurate description of combustion of a spray jet that goes through a long injection duration or multiple injections.
Keywords
Turbulent spray combustion; Multiple flame structure; Conditional statistics; DNS; CMC;
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