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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Multi-camera large-scale particle image velocimetry

http://hdl.handle.net/2237/00032626
40f3735d-9ffb-4494-b187-e0a0c1a65626
名前 / ファイル ライセンス アクション
MST_LSPIV_Tsubaki_r1_v3_3_final_post_print.pdf MST_LSPIV_Tsubaki_r1_v3_3_final_post_print (1.9 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2020-09-14
タイトル
タイトル Multi-camera large-scale particle image velocimetry
著者 Tsubaki, Ryota

× Tsubaki, Ryota

WEKO 101205

Tsubaki, Ryota

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権利
権利情報 This is an author-created, un-copyedited version of an article published in {Measurement Science and Technology}. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at {https://doi.org/10.1088/1361-6501/ab85d5}. “This Accepted Manuscript is available for reuse under a CC BY-NC-ND 4.0 licence after the 12 month embargo period provided that all the terms of the licence are adhered to”
キーワード
主題Scheme Other
主題 Large-Scale Particle Image Velocimetry (LSPIV)
キーワード
主題Scheme Other
主題 image resolution
キーワード
主題Scheme Other
主題 multi camera
キーワード
主題Scheme Other
主題 viewing angle
キーワード
主題Scheme Other
主題 low depression angle
抄録
内容記述 Large-scale particle image velocimetry (LSPIV) has been widely used for quantifying the velocity distribution of environmental water surfaces, especially river flows. In LSPIV, the evaluated velocity distribution of a region far from the camera tends to have a large uncertainty due to strong image distortion and reduced image resolution, especially for directions parallel to the viewing angle. This study proposes a method that overcomes this problem by combining the results of LSPIV measurements of images obtained from different viewing angles. The velocity component for the direction orthogonal to the viewing angle (the 1D velocity component) for each viewing angle was extracted and then the 2D velocity field was reconstructed based on a least squares algorithm. To validate the proposed method, a rigid rotating disk experiment and a circulatory flow flume experiment were conducted. The method was used to reproduce a complex flow formed around an opposite river edge using images obtained from two different locations on a river bank. Circulatory flow was not visible from results obtained from single viewing angles but was successfully represented in the reconstructed velocity field.
内容記述タイプ Abstract
内容記述
内容記述 ファイル公開:2021-05-25
内容記述タイプ Other
出版者
出版者 IOP publishing
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1088/1361-6501/ab85d5
ISSN(print)
収録物識別子タイプ ISSN
収録物識別子 0957-0233
書誌情報 Measurement Science and Technology

巻 31, 号 8, p. 084004, 発行日 2020-05-25
著者版フラグ
値 author
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