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Título: STRESS ANALYSIS IN A CURVED PIPE
Autor(es): RAISSA PORTELA SAATKAMP
Colaborador(es): JOSE LUIZ DE FRANCA FREIRE - Orientador
LEONARDO DANTAS RODRIGUES - Coorientador
Catalogação: 10/JUL/2014 Língua(s): PORTUGUESE - BRAZIL
Tipo: TEXT Subtipo: SENIOR PROJECT
Notas: [pt] Todos os dados constantes dos documentos são de inteira responsabilidade de seus autores. Os dados utilizados nas descrições dos documentos estão em conformidade com os sistemas da administração da PUC-Rio.
[en] All data contained in the documents are the sole responsibility of the authors. The data used in the descriptions of the documents are in conformity with the systems of the administration of PUC-Rio.
Referência(s): [pt] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/TFCs/consultas/conteudo.php?strSecao=resultado&nrSeq=23197@1
[en] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/TFCs/consultas/conteudo.php?strSecao=resultado&nrSeq=23197@2
DOI: https://doi.org/10.17771/PUCRio.acad.23197
Resumo:
The main goal of this work was to evaluate the stresses in a curved pipe with internal pressure, making a comparison between results obtained with analytics solutions, numeric simulations that were made using the finite elements method and results obtained from field tests in a API 5L X70 pipe offered by Protubo. This pipe has been manufactured by the SAWL process and has an external diameter of 609,6 mm, thickness of 24,61 mm, and was bent by a hot induction process, having a curvature angle of 32 degrees and curvature ratio of 9.902mm. Due to logistic issues of the company, the realization of the field tests for comparison with the numeric and analytic solutions was not possible yet. The tests will be performed soon and its results may be used in further works. The stress analysis in this work was made only in the elastic region, considering that after the pipeline installation is done, the internal pressure loads during the products transportation do not exceed this limit. The analytical solutions developed were done based on three different methods, for open-end and closed-end pipes. The results for these solutions were compared with the simulations of finite elements models done in ANSYS. Both solutions have showed satisfactory similarities for both pipe end conditions.
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