A Study on NO Reduction Caused by Thermal Cracking Hydrocarbons during Rich Diesel Combustion
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- NOGE Hirofumi
- Department of Ecosystem Engineering, Graduate School of Engineering, The University of Tokushima
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- KIDOGUCHI Yoshiyuki
- Department of Ecosystem Engineering, Graduate School of Engineering, The University of Tokushima
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- MIWA Kei
- Department of Ecosystem Engineering, Graduate School of Engineering, The University of Tokushima
書誌事項
- タイトル別名
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- Study on NO Reduction Caused by Thermal Cracking Hydrocarbons during Rich Diesel Combustion
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説明
This study tries to investigate the reduction of nitric oxide by thermally cracked hydrocarbons under rich condition during diesel combustion. Experiments using flow reactor system, which follows the chemical process of fuel at high temperature and atmospheric pressure, show that thermal cracking of fuel starts at about 1000K, and lower hydrocarbons mainly composed of C2H4 and CH4 are formed. NO can be reduced when fuel is thermally cracked and oxidized. A larger amount of NO is reduced when thermal cracking hydrocarbons are increased in quantity under rich and high temperature condition. Among decomposed hydrocarbons, C2H4 is easily decomposed and affects deNO mechanism. Chemical kinetic calculation using CHEMKIN III reveals the mechanism. NO is reduced through the reaction of HCCO or CH2 with NO. In these reaction paths, C2H2 is an essential species. The computation also shows that this deNO mechanism can be actualized in the practical diesel combustion.
収録刊行物
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- JSME International Journal Series B Fluids and Thermal Engineering
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JSME International Journal Series B Fluids and Thermal Engineering 49 (2), 526-532, 2006
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390001204674391424
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- NII論文ID
- 110004717710
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- NII書誌ID
- AA10888815
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- COI
- 1:CAS:528:DC%2BD28XntF2htLk%3D
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- ISSN
- 13475371
- 13408054
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- NDL書誌ID
- 7903195
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- 本文言語コード
- en
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- データソース種別
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