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This study focused on the development in space and time of vortex structures evolution in low aspect-ratio rectangular jet with pulsation. Pulsation means large-amplitude, low-frequency excitation which is expected to increase the mixing and spreading of the jet and to accelerate its transition from a rectangular form to an axisymmetric form. It was deemed appropriate to investigate whether jet characteristics of a pulsating, submerged jet flow can be altered by including pulsations. The difference of the vortex deformation process is discussed in relation to pulsating conditions. Consequently, the pulsation leads to the formation of vortices at regular intervals, which are larger than those occurring in a steady jet. The results show that the streamwise interaction, between leading vortex and trailing vortex rolled up at nozzle lips, strengthens with increasing pulsating frequency. The spanwise drift of the vortex becomes strongly apparent at large amplitude and high frequency conditions. The drifting start position does not change regardless of pulsating condition. The convection velocity of vortex increases at lower frequency and larger amplitude."}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Iio, S"}], "nameIdentifiers": [{"nameIdentifier": "38792", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Takahashi, K"}], "nameIdentifiers": [{"nameIdentifier": "38793", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Haneda, Y"}], "nameIdentifiers": [{"nameIdentifier": "38794", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Ikeda, T"}], "nameIdentifiers": [{"nameIdentifier": "38795", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2015-09-28"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "Time-resolved[1].pdf", "filesize": [{"value": "511.6 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 511600.0, "url": {"label": "Time-resolved[1].pdf", "url": "https://soar-ir.repo.nii.ac.jp/record/12658/files/Time-resolved[1].pdf"}, "version_id": "14d2613a-4388-40ea-9118-d38397ea64ee"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Flow visualization of vortex structure in a pulsed rectangular jet", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Flow visualization of vortex structure in a pulsed rectangular jet", "subitem_title_language": "en"}]}, "item_type_id": "6", "owner": "1", "path": ["1222"], "permalink_uri": "http://hdl.handle.net/10091/1113", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2008-07-30"}, "publish_date": "2008-07-30", "publish_status": "0", "recid": "12658", "relation": {}, "relation_version_is_last": true, "title": ["Flow visualization of vortex structure in a pulsed rectangular jet"], "weko_shared_id": 3}
Flow visualization of vortex structure in a pulsed rectangular jet
http://hdl.handle.net/10091/1113
http://hdl.handle.net/10091/11132b8e8965-ee0c-4281-9312-6edf673905aa
名前 / ファイル | ライセンス | アクション |
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Time-resolved[1].pdf (511.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-07-30 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Flow visualization of vortex structure in a pulsed rectangular jet | |||||
言語 | ||||||
言語 | eng | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1007/BF03181927 | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Iio, S
× Iio, S× Takahashi, K× Haneda, Y× Ikeda, T |
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信州大学研究者総覧へのリンク | ||||||
氏名 | Iio, S | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.HecNbpkh.html | |||||
信州大学研究者総覧へのリンク | ||||||
氏名 | Ikeda, T | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.OCfhZhkh.html | |||||
出版者 | ||||||
出版者 | IOS PRESS | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | JOURNAL OF VISUALIZATION. 11(2): 125-132(2008) | |||||
書誌情報 |
JOURNAL OF VISUALIZATION 巻 11, 号 2, p. 125-132, 発行日 2008-04 |
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資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 1343-8875 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11268703 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
WoS | ||||||
表示名 | Web of Science | |||||
URL | http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000254171100007 |