한국연소학회지 (Journal of the Korean Society of Combustion)

  • 제17권3호
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  • Pages.46-52
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  • 2012
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  • 1226-0959(pISSN)
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  • 2466-2089(eISSN)
한국연소학회 (The Korean Society of Combustion)
권호 표지

난류분무제트연소에서의 화염구조와 조건평균 통계에 대한 수치적 연구

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

  • 서재엽 (포항공과대학교 기계공학과 대학원) ;
  • 허강열 (포항공과대학교 기계공학과)
  • 투고 : 2012.08.22
  • 심사 : 2012.09.19
  • 발행 : 2012.09.30
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초록

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.

키워드

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