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ディーゼル機関のNO生成に及ぼす水付加の影響解析 (<小特集>エンジンシステムの新展開)


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Title: ディーゼル機関のNO生成に及ぼす水付加の影響解析 (<小特集>エンジンシステムの新展開)
Other Titles: Analysis of Effect of Water on NO Formation in DI Diesel Engines
Authors: 石田, 正弘 / 陳, 之立
Authors (alternative): Ishida, Masahiro / Chen, Zhi-Li
Issue Date: 25-Oct-1995
Publisher: 社団法人日本機械学会 / The Japan Society of Mechanical Engineers
Citation: 日本機械学會論文集. B編, 61(590), pp.3541-3547; 1995
Abstract: The effect of water on NO formation was analyzed theoretically from the point of view of changes in the entrained air rate and specific heat of the burned gas in the combustion chamber. The specific heat was calculated accurately based on the chemical equilibrium composition analysis considering the absolute humidity of the inducted air, the amount of water in the emulsified fuel and the residual gas fraction. It is clarified by the two-zone combustion model analysis that about 20% reduction in NO_x is attained by an increase of only 0. 01 kg/kg in the absolute humidity, and the NO_x reduction due to the water-emulsified fuel is caused by increases in both gas weight and specific heat of the burned gas whereas the entrained air rate is hardly affected by the water in the emulsified fuel.
Keywords: Diesel Engine / Combustion Analysis / Two-Zone Model / Emulsified Fuel / Absolute Humidity / Specific Heat
URI: http://hdl.handle.net/10069/22748
ISSN: 03875016
Relational Links: http://ci.nii.ac.jp/naid/110002394591/
Rights: 社団法人日本機械学会 / 本文データは学協会の許諾に基づきCiNiiから複製したものである
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/22748

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