Effects of intake oxygen mole fraction on the near-stoichiometric combustion and emission characteristics of a CI (compression ignition) engine

Junepyo Cha, Sungjun Yoon, Seokhwon Lee and Sungwook Park

Energy, 2015, vol. 80, issue C, 677-686

Abstract: In the present study, the combustion and emission characteristics under various equivalence ratio up to stoichiometric condition were experimentally investigated in a CI (compression ignition) engine. In order to control the equivalence ratio, the O2 mole fraction of intake gas was reduced from 21 to 11.16 % by adding only N2 to intake gas while the injected fuel quantity was held constant. The test was used a single-cylinder compression ignition (CI) engine with a displacement volume of 373.3cc, a compression ratio of 17.8, a re-entrant type piston-bowl. The emission measurement instruments consisted of emission bench (MEXA-9100D, HORIBA) and smoke meter (AVL-415S, AVL).

Keywords: CI(compression ignition) engine; Diesel; Equivalence ratio; SCI (Stoichiometric compression ignition) (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:80:y:2015:i:c:p:677-686

DOI: 10.1016/j.energy.2014.12.023

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