Optimum Conditions for NO Reduction Using Intermittent Dielectric Barrier Discharge at Atmospheric Pressure
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概要
- 論文の詳細を見る
NO in N2 gas was removed by injecting ammonia radicals, which were externally generated by flowing NH3 gas diluted with Ar gas through a dielectric barrier discharge (DBD) with a one-cycle sinusoidal-wave power source. The discharge was intermittently formed between coaxial cylindrical electrodes at an applied peak-to-peak voltage of 2–15 kV. The generated radicals were introduced in a reaction chamber and reacted with NO. In order to find optimum parameters for NO reduction and energy efficiency, the reaction temperature in the mixing zone, the voltage applied to the gap of the electrodes for DBD generation and its repetition rate, the NO gas concentration, and the ammonia concentration and flow rate were varied. A maximum energy efficiency of 140 g/kWh at a NO reduction of over 99% is obtained at a voltage slightly higher than the discharge firing voltage and a repetition rate of 5 kHz, which corresponds to a duty cycle of 5%. Thus it is found that the use of the intermittent power source is an advantage for obtaining a high energy efficiency of NO reduction.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-03-15
著者
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NAGAO Issei
Department of Electrical Engineering, Doshisha University
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YAMAMOTO Kiwamu
Department of Electrical Engineering, Doshisha University
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Kumano Yuta
Environmental And Renewable Energy Systems Graduate School Of Engineering Gifu University
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Kambara Shinji
Environmental And Renewable Energy Systems Graduate School Of Engineering Gifu University
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Moritomi Hiroshi
Environmental And Renewable Energy System Graduate School Of Gifu University
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Yukimura Ken
Department Of Electrical Engineering Doshisha University
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Maruyama Toshiro
Department Of Chemical Engineering Faculty Of Engineering Kyoto University
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Moritomi Hiroshi
Environmental and Renewable Energy Systems, Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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Yamamoto Kiwamu
Department of Electrical Engineering, Doshisha University, 1-3 Tatara-Miyakodani, Kyotanabe 610-0321, Japan
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Yukimura Ken
Department of Electrical Engineering, Doshisha University, 1-3 Tatara-Miyakodani, Kyotanabe 610-0321, Japan
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Nagao Issei
Department of Electrical Engineering, Doshisha University, 1-3 Tatara-Miyakodani, Kyotanabe 610-0321, Japan
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Kambara Shinji
Environmental and Renewable Energy Systems, Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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Kumano Yuta
Environmental and Renewable Energy Systems, Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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