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Cross-Sectional Layout Analysis of Steel Tube Umbilical

[+] Author Affiliations
Qing-zhen Lu, Qian-jin Yue, Zhi-xun Yang, Jun Yan

Dalian University of Technology, Dalian, Liaoning, China

Gang Wang

Dalian University, Dalian, Liaoning, China

Yan Qu

CNOOC Research Institute, Beijing, China

Paper No. OMAE2012-83572, pp. 493-497; 5 pages
  • ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 3: Pipeline and Riser Technology
  • Rio de Janeiro, Brazil, July 1–6, 2012
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4490-8
  • Copyright © 2012 by ASME


The paper presents four different layouts of a subsea steel tube umbilical which is composed of six steel tubes, three electrical cables and one optical fiber cable. When the umbilical is loaded, there will be a relatively large stress and deformation when the cross-sectional layout is unreasonable. So the principles of the cross-sectional layout of the umbilical are studied considering the stress and deformation of components. The contact stress between components, stress and deformation of components are analyzed and compared based on finite element method. The preferable design of cross-sectional layout for this umbilical is present.

Copyright © 2012 by ASME
Topics: Steel



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