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凝縮およびミスト化によるガス吸収の促進
https://doi.org/10.24517/00049258
https://doi.org/10.24517/000492583cb3382c-fc72-4e39-b075-6249464591d3
名前 / ファイル | ライセンス | アクション |
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TE-PR-TAKIMOTO-A-kanen 1998-90p.pdf (4.8 MB)
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Item type | 報告書 / Research Paper(1) | |||||
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公開日 | 2017-12-08 | |||||
タイトル | ||||||
タイトル | 凝縮およびミスト化によるガス吸収の促進 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Enhancement of Gas Absorption by utilizing Condensation and Mist formation | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
ID登録 | ||||||
ID登録 | 10.24517/00049258 | |||||
ID登録タイプ | JaLC | |||||
著者 |
滝本, 昭
× 滝本, 昭 |
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著者別表示 |
Takimoto, Akira
× Takimoto, Akira |
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書誌情報 |
平成9(1997)年度 科学研究費補助金 基盤研究(C) 研究成果報告書 en : 1997 Fiscal Year Final Research Report 巻 1996-1997, p. 90p., 発行日 1998-03 |
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出版者 | ||||||
出版者 | 金沢大学機械工学系 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | ガス吸収法は,混合ガスからの不純物の除去あるいは有用成分の回収などの工業プロセスほか,地球温暖化の要因である炭酸ガスの回収などと関連して今日ますます重要な問題となっている。一般的な物理的ガス吸収法である流下液膜法あるいは噴霧液滴法などでは,吸収速度が液相内の拡散輸送支配にあり,外部撹乱あるいは噴霧液滴による表面積増加などを用いても促進には限界がある。 本研究は,以上の観点から物理的ガス吸収を対象に,混合ガス中に含まれる凝縮性気体(水蒸気)の冷却面上への凝縮および気流中でのミスト化を利用して液相拡散支配から気相拡散支配とすることによってガス吸収速度を向上させる新たな吸収法を提案するものであり,理論的・実験的追究によりその有効性を解明し,最終的に実用化を目指すものである。具体的には,垂直冷却円管内への水蒸気-炭酸ガスの凝縮・吸収実験と,現象のモデル化にもとづく理論解析により提案したガス吸収法の有効性を明らかにし,さらに,それらの成果にもとづき,実用化を目指してガス吸収特性に対する装置形状としての冷却部形状・寸法の影響についての理論的・実験的追究によりガス吸収の一般特性式を導出し,それより冷却形状に対する操作条件の最適化の指針を明らかにした。 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Protection of global environment is the gravest concern in the 21st century. High efficiency of gas absorption may be one of the important techniques for protection of global environment. The falling liquid film and/or the spray methods as the general physical gas absorption were dominated by the rate of gas diffusion transport in the liquid film. So that the enhancement of absorption rate is limited, even if any improvement such as the external disturbance of liquid film by a sound wave, the increase of surface are due to dispersed small droplets and so on were applied. From this standpoint, this study has been conducted to pursue a high-performance gas absorption method. A new concept of gas absorption by utilizing condensation process and mist formation was proposed, and its proof experiment was conducted with regard to the water condensation rate and the gas absorption rates in vertical cooling tube including mist formation rate. Theoretical analyzes were performed on the gas absorption rates of the condensate formed on the cooling tube surface and of the mist droplets in the tube. Comparing the analytical results with the experimental data, the concept proposed in this paper was identified and mechanism of the gas absorption through the condensate and/or the mist droplets was clarified. On the basis of these findings, the fundamental knowledge of physical gas absorption process was obtained. |
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内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 研究課題/領域番号:08650248, 研究期間(年度):1996-1997 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 出典:「凝縮およびミスト化によるガス吸収の促進」研究成果報告書 課題番号08650248 (KAKEN:科学研究費助成事業データベース(国立情報学研究所)) 本文データは著者版報告書より作成 |
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著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/search/?qm=20019780 | |||||
関連名称 | https://kaken.nii.ac.jp/search/?qm=20019780 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-08650248/ | |||||
関連名称 | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-08650248/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-08650248/086502481997kenkyu_seika_hokoku_gaiyo/ | |||||
関連名称 | https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-08650248/086502481997kenkyu_seika_hokoku_gaiyo/ |