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The Structure Integrity Assessment of the Wall Thinned Elbow Considering In/Out-Plane Bending
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 Title & Authors
The Structure Integrity Assessment of the Wall Thinned Elbow Considering In/Out-Plane Bending
Jang, Ungburm; Shin, Kyuin; Lee, Sungho; Kuan, Changhee;
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 Abstract
Local wall thinning elbow due to the water flow is one of the main degradation phenomenon in carbon steel pipe of plant system. The API579 code of FFS (fitness for service) used in the chemical plant gives a guideline to protect local wall thin problem in a straight pipe, but it does not include an elbow. In this study, the locally wall thinned elbow, which is considered an extrados or intrados wall thinned elbow, was carried out considering in-plane or out-plane bending using FEM (finite element method) analysis, and some of results were also compared with the experimental data. The results could give the structure integrity assessment to protect the local wall thinned elbow.
 Keywords
wall thinning;elbow;API579 code;FEM;structure integrity assessment;
 Language
Korean
 Cited by
 References
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