ArticleEnvironmental science and pollution research international2021
Numerical investigation on the effect of water in the reduction of diesel engine exhaust emissions using a novel ionic chemical kinetics mechanism.
Article in Environmental science and pollution research international, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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2 authors at 1 institution in 1 country.
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Abstract
This paper aims to investigate the role of water in the reduction of diesel exhaust emissions. To do so, a multi-zone thermodynamic model coupled to a novel semi-detailed ionic chemical kinetics mechanism is used. This mechanism includes 467 reactions and 105 species containing 51 ionic reactions and 15 ions. The mechanism contains 6 basic ionic reactions, 23 NOx-related ionic reactions, and 22 soot-related ionic reactions. Four different amounts of water are added to the in-cylinder mixture and the effects of water in the formation of soot and NOx are investigated. The results showed that water does not have a regular effect on diesel exhaust soot, but causes a significant reduction in exhaust NOx. Water has decreased the temperature of the combustion chamber and consequently has reduced the ionic current inside the combustion chamber. Reduction of the in-cylinder ion current decreases the mass of NOx-related ions and results in reduced exhaust NOx. Adding 5% water reduces the in-cylinder ion current by 47%. Five percent water also reduces engine exhaust NOx to 33%. Among NOx-related ions, water has the greatest effect on N
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