TED-AJ03-297 GROWTH BEHAVIOR OF HYDRATE MEMBRANE AT LOW TEMPERATURE LIQUID CO_2 INJECTION INTO WATER
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概要
- 論文の詳細を見る
The purpose of the present research is to observe the liquid carbon dioxide (CO_2) behavior injected in high pressurized water simulating mid depth sea under 500m. The experimental conditions are chosen to be under the formation region of CO_2 hydrate, greater pressure than 4.45 MPa and lower temperature than 10 degree centigrade. It is expected that the CO_2 hydrate be formed between water phase and liquid CO_, phase under the conditions. As the result, it is observed that the hydrate membrane formed at the interface of liquid CO_2 jet and water. In addition, it is observed that the CO_2 droplet vibrates after the hydrate membrane covers all the surfaces of the liquid CO_2 droplets. The liquid CO_2 droplet becomes larger after the vibration stops, and the droplet releases from a tip of the nozzle. When the temperature of minus degrees centigrade liquid CO_2 is spouted out into water, a nebula substance is observed to grow from a tip of the nozzle after the hydrate membrane is formed although the conditions is not dry ice formation. It can be judged that this nebula substance is ice based on the interfacial temperature estimated by solving the equation of heat conduction. This result suggests that the hydrate and ice formation is expected during the liquid CO_2 injection into the shallow sea. It could help the liquid CO_2 storage toward the sea bottom.[figure]
- 一般社団法人日本機械学会の論文
著者
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Abe Yutaka
Institute of Engineering Mechanics and Systems, University of Tsukuba
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Abe Yutaka
Institute Of Engineering Mechanics And Systems University Of Tsukuba
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Yamane Kenji
National Maritime Research Institute
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Yamane Kenji
National Maritime Research Inst.
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Nariai Hideki
Institute Of Engineering Mechanics And Systems University Of Tsukuba
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Nariai Hideki
Institute Of Engineering Mechanics & Systems University Of Tsukuba
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KOJIMA Ryuji
National Maritime Research Institute
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YAMAMOTO Takayuki
Environment Systems administration Division Sanki Engineering Co. LTD.
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AYA Izuo
National Maritime Research Inst.
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OYAMA Chisato
Institute of Engineering Mechanics and Systems, University of Tsukuba
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Izuo Aya
National Maritime Research Institute
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Oyama Chisato
Institute Of Engineering Mechanics And Systems University Of Tsukuba
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Yamaguchi K
Ship Equipment And Marine Environment Division
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NARIAI Hideki
Institute of Engineering Mechanics and Systems, University of Tsukuba
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