Normalizing the influence of flaw length on failure pressure of straight pipe with wall-thinning

Material type: 文書・図像類

Author: KAMAYA, M.ほか

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Publication date: 2008-01

Material Format: Digital

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Note (General)：: Burst tests using wall-thinned pipe of carbon steel for high-temperature use were conducted in order to examine the influence of length of wall-thinni...

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Material Type: 文書・図像類
Title: Normalizing the influence of flaw length on failure pressure of straight pipe with wall-thinning
Author/Editor: KAMAYA, M.
SUZUKI, T.
MESHII, T.
Author Heading: KAMAYA, M.
SUZUKI, T.
MESHII, T.
Publication Date: 2008-01
Publication Date (W3CDTF): 2008-01
Periodical title: Nuclear Engineering and Design
No. or year of volume/issue: 238 1
Volume: 238
Issue: 1
Pages: 8-15
Text Language Code: eng
Subject Heading: wall thinning
internal pressure
finite element analysis
elastic plastic analysis
limit load
Target Audience: 一般
Note (General): Burst tests using wall-thinned pipe of carbon steel for high-temperature use were conducted in order to examine the influence of length of wall-thinning on burst pressure. Then, three-dimensional elastic-plastic large deformation finite element analyses (EP-FEA) were performed to accurately predict the burst pressure obtained by the tests. The failure pressure corresponding to the burst pressure in tests was defined as the maximum pressure during the analysis including the instability condition after the peak of pressure. The results showed that the failure pressure obtained by EP-FEA agreed well with the experimental results. Finally, failure pressures of wall-thinned pipes with various sizes, thicknesses, flaw lengths and depths were examined by EP-FEA with the same procedure of analysis as validated in this paper. The results showed that, from the standpoint of influence of flaw length on failure pressure, it is preferable to normalize flaw length by pipe mean radius of the unflawed section R rather than by shell parameter (Rt)0.5, where t is the thickness of the unflawed section.
Access Restrictions: 限定公開
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