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- SAIKA Takashi
- Department of Basic Engineering in Global Environment, Faculty of Engineering, Kogakuin University
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- NAKAMURA Mitsuhiro
- Graduate Course of Mechanical Engineering, Graduate School of Kogakuin University
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- NOHARA Tetsuo
- Department of Mechanical Systems Design, Faculty of Engineering, Kogakuin University
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- ISHIMATSU Shinji
- Hitachi, Ltd.
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抄録
Carbon-free fuel is effective in preventing global warming. Hydrogen has no carbon and can be made also from nuclear energy or reproducible energies other than fossil fuels. However, hydrogen lacks portability because of its difficulty in liquefying, but ammonia can easily be liquefied at a room temperature and dissociated into high-content hydrogen and nitrogen using a suitable catalyst. An ammonia dissociation system for fuel cells is proposed in this paper. The residual ammonia by 13ppm or more in the dissociated gas (H2+ N2) causes a decrease in the output of fuel cells. To separate residual ammonia, it should be sent to an ammonia separator and then to an ammonia distiller. In the experiment, the authors examine the concentrations of ammonia after dissociation at various temperatures, pressures and space velocities. The ammonia separator uses the fact that ammonia dissolves well in water. Then the ammonia water is distilled in the distiller. Thereby, the authors have proposed an ammonia circulation system that is a clean energy system.
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 (1), 78-83, 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
- 1390282679653822464
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- NII論文ID
- 110004086922
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- NII書誌ID
- AA10888815
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- COI
- 1:CAS:528:DC%2BD28Xjs1yjsro%3D
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- ISSN
- 13475371
- 13408054
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- NDL書誌ID
- 7813035
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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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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可