Prediction Method for Cavitation Erosion Based on Measurement of Bubble Collapse Impact Loads

Material type: 文書・図像類

Author: HATTORI, Sほか

Publisher: IOP Publishing

Publication date: 2009

Material Format: Digital

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Note (General)：: The prediction of cavitation erosion rates is important in order to evaluate the exact life of components. The measurement of impact loads in bubble c...

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Material Type: 文書・図像類
Title: Prediction Method for Cavitation Erosion Based on Measurement of Bubble Collapse Impact Loads
Author/Editor: HATTORI, S
HIROSE, T
SUGIYAMA, K
Author Heading: HATTORI, S
HIROSE, T
SUGIYAMA, K
Publication, Distribution, etc.: IOP Publishing
Publication Date: 2009
Publication Date (W3CDTF): 2009
Periodical title: Journal of Physics:ConferenceSeries: The 6thInternationalSymposiumonMeasurementTechniquesforMultiphaseFlows
No. or year of volume/issue: 147
Volume: 147
Pages: 012011-1-012011-9
ISSN (Periodical Title): ISSN : 1742-6588
Text Language Code: eng
Target Audience: 一般
Note (General): The prediction of cavitation erosion rates is important in order to evaluate the exact life of components. The measurement of impact loads in bubble collapses helps to predict the life under cavitation erosion. In this study, we carried out erosion tests and the measurements of impact loads in bubble collapses with a vibratory apparatus. We evaluated the incubation period based on a cumulative damage rule by measuring the impact loads of cavitation acting on the specimen surface and by using the “constant impact load - number of impact loads curve" similar to the modified Miner's rule which is employed for fatigue life prediction. We found that the parameter Σ(F_i^α×n_i) (F_i: impact load, n_i: number of impacts and α: constant) is suitable for the evaluation of the erosion life. Moreover, we propose a new method that can predict the incubation period under various cavitation conditions.
Source: https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=22281&item_no=1&attribute_id=22&file_no=1
https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=22281&item_no=1&attribute_id=22&file_no=1
Access Restrictions: 限定公開
Rights (production): IOP Publishing
Related Material (DOI): 10.1088/1742-6596/147/1/012011
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ