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2019 Vol.24, Issue 3

Research Article

The Effect of Target Species Changing on the Mechanism Reduction in DRGEP Method

DRGEP 방법에서의 표적 화학종 변화가 메커니즘 축소에 미치는 영향

Jun Woo Jung1
,
Young Chan Lim1
,
Hyun Kyu Suh2*
정 준우1
,
임 영찬1
,
서 현규2*
1Graduate School of Mechanical Engineering, Kongju National University
2Dept. of Mechanical and Automotive Engineering, Kongju National University
1공주대학교 기계공학과 대학원
2공주대학교 기계자동차공학부
* Corresponding Author
30 September 2019. pp. 1-8
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Abstract

This study investigated the effect of target species changing on the mechanism reduction in DRGEP(Directed Relation Graph Error Propagation) method. To achieve this goal, the automatic mechanism reduction scheme of reaction workbench which includes DRGEP method was introduced and the 0-D combustion analysis of CHEMKIN-PRO was executed to confirm the error rate of ignition delay between the detailed mechanism and reduced mechanisms. To consider various target species, the skeletal mechanism for biodiesel and n-heptane mechanism were merged and the various environments were considered to decide the environment of the mechanism reduction by changing the relative and absolute tolerance associated with the mechanism reduction. As a result, it was confirmed that the target species has a great influence on the reduction of the mechanism, and it was appropriate to consider chemical species, as the target species, associated with exhaust emissions.

Keywords
Biodiesel
Chemical reaction
DRGEP
Ignition delay
Target species
Skeletal mechanism
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Information
  • Publisher :The Korean Society Combustion
  • Publisher(Ko) :한국연소학회
  • Journal Title :Journal of The Korean Society Combustion
  • Journal Title(Ko) :한국연소학회지
  • Volume : 24
  • No :3
  • Pages :1-8
  • Received Date : 2019-05-09
  • Revised Date : 2019-05-23
  • Accepted Date : 2019-05-29
  • DOI :https://doi.org/10.15231/jksc.2019.24.3.001
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