書誌事項
- タイトル別名
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- Numerical Simulation of Secondary Combustion in Converter Using Lattice Boltzmann Method
- コウシ ボルツマンホウ ニ ヨル テンロ ナイ 2ジ ネンショウ ノ カイセキ
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抄録
In this study, numerical simulation on fluid flow and secondary combustion reaction in a converter has been conducted, where CO formed from the high-temperature molten steel is reacted with oxygen. With top blowing lance, the oxygen jet impinges on liquid metal to produce a cavity under gravity. To consider two phases, molten steel and mixture of O2, CO, CO2, the Lattice Boltzmann method is used. As for the combustion reaction, the flameter model and finite reaction model are used to discuss the mass and heat transport in the conveter. Results show that the time-averaged cavity shape corresponds to the empirical model derived from the experiments and theoretical consideration. Then, the fluctuated liquid surface with the oxygen jet impingement is well simulated. By increasing the oxygen injection velocity, the surface of molten steel is largely wrinkled. The convection and reaction of CO are affected, with smaller secondary combustion ratio.
収録刊行物
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- 日本機械学会論文集B編
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日本機械学会論文集B編 72 (723), 2798-2804, 2006
一般社団法人 日本機械学会
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詳細情報
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- CRID
- 1390282681237845120
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- NII論文ID
- 110006148762
- 130004225977
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- NII書誌ID
- AN00187441
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- ISSN
- 18848346
- 03875016
- http://id.crossref.org/issn/03875016
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- HANDLE
- 2237/9365
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- NDL書誌ID
- 8590392
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可