流路内触媒反応に関する素反応機構を用いた数値解析 (触媒反応による燃焼ガス中のNOの還元に与えるガス組成の影響)

書誌事項

タイトル別名
  • Numerical Study on Catalytic Reaction in a Channel Using Detailed Chemical Kinetics (Effect of Gas Composition on Deoxidization of NO in Exhaust Gas by Catalytic Reaction)
  • リュウロナイ ショクバイ ハンノウ ニ カンスル ソハンノウ キコウ オ モチイタ スウチ カイセキ ショクバイ ハンノウ ニ ヨル ネンショウ ガスチュウ ノ NO ノ カンゲン ニ アタエル ガス ソセイ ノ エイキョウ

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抄録

<p>A high emphasis is placed on reducing environmental pollutant in combustion gas, because of an increasing concern about global environmental problem. Honeycomb catalyst is commonly used for NO reduction in exhaust gas. But, the measurement of concentration in the honeycomb is very difficult, because it is assembled with a lot of millimetersized channels. So, it is necessary to investigate the physical quantity by the numerical simulation and to understand the phenomenon in the honeycomb. The detailed elementary reaction kinetics for CH4-air combustion gas and Rh catalytic surface are considered. The details of NO reduction in a channel, such as mass fraction in the gas and catalytic surface and coverage are obtained. Especially, the effects of exhaust gas composition on NO deoxidization by catalytic reaction are estimated, and the catalytic reaction mechanism becomes clear.</p>

収録刊行物

  • 日本燃焼学会誌

    日本燃焼学会誌 49 (148), 128-136, 2007

    一般社団法人 日本燃焼学会

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