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Experimental Analysis of Oscillatory Airflow in a Bronchiole Model with Stenosis
https://sucra.repo.nii.ac.jp/records/13438
https://sucra.repo.nii.ac.jp/records/13438d7d7fa5f-2801-4895-8259-36ec9af194b7
名前 / ファイル | ライセンス | アクション |
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A1002896.pdf (568.1 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-06-29 | |||||
タイトル | ||||||
タイトル | Experimental Analysis of Oscillatory Airflow in a Bronchiole Model with Stenosis | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Ventilation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Respiratory bronchiole | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | HFOV | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Micro channel | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | mu-PIV | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Kim, J.-K.
× Kim, J.-K.× 川橋, 正昭× 平原, 裕行× Iwasaki, Y. |
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著者 ローマ字 | ||||||
Kim, J.-K. | ||||||
著者 ローマ字 | ||||||
Kawahashi, Masaaki | ||||||
著者 ローマ字 | ||||||
Hirahara, Hiroyuki | ||||||
著者 ローマ字 | ||||||
Iwasaki, Y. | ||||||
著者 所属 | ||||||
埼玉大学大学院理工学研究科 | ||||||
著者 所属 | ||||||
埼玉大学大学院理工学研究科 | ||||||
著者 所属 | ||||||
埼玉大学大学院理工学研究科人間支援・生産科学部門 | ||||||
著者 所属 | ||||||
埼玉大学大学院理工学研究科 | ||||||
著者 所属(別言語) | ||||||
Graduate School of Science and Engineering, Saitama University | ||||||
著者 所属(別言語) | ||||||
Mechanical Science Division, Graduate School of Science and Engineering, Saitama University | ||||||
著者 所属(別言語) | ||||||
Mechanical Science Division, Graduate School of Science and Engineering, Saitama University | ||||||
著者 所属(別言語) | ||||||
Graduate School of Science and Engineering, Saitama University | ||||||
書誌情報 |
JOURNAL OF VISUALIZATION 巻 12, 号 2, p. 109-118, 発行日 2009 |
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年月次 | ||||||
2009 | ||||||
出版者名 | ||||||
出版者 | IOS PRESS | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13438875 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | As the mechanism of gas transport and exchange in human respiratory ventilation, the complicated processes of mixing and diffusion in airways of human lungs are considered. However the mechanism has not been clarified enough. On the other hand, the analysis of detailed mechanism in the case of artificial ventilation like HFOV (High Frequency Oscillatory Ventilation) is strongly required for the development of clinical treatments on patients with respiration disorder. In HFOV, it is considered that pendelluft becomes one of the important factors of gas transport and exchange because of high frequency ventilation in comparison with natural breathing. As increase of the frequency, the different time constants of lung units generate phase lag of ventilation in airways of lungs. The phase lag of ventilation causes to generate pendelluft. The time constant is determined by compliance and flow resistance of lung unit. In order to investigate the effect of the different time constants induced by the difference of flow resistance in a part of respiratory bronchiole of human lungs, the experimental study has been carried out by using multi-bifurcated micro channels as a model of bronchiole. The flow resistance in the model channels was produced by a stenosis. The velocity distributions of ventilation flows in the channels with and without the stenosis have been measured by using mu-PIV technique. The results obtained show the frequency effects on the flow pattern in the bronchiole model channels and the appearance of pendelluft. | |||||
版 | ||||||
[著者版] | ||||||
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 | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | text | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
作成日 | ||||||
日付 | 2009-06-29 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1002896 |