Vertical pipe in pipe marine riser - NRC tow tank experiments
Marine environments with harsh conditions such as those off the coast of Newfoundland and Labrador, NL, Canada, place serious operating and performance demands on offshore structures built for oil and gas production. Marine risers for floating offshore platforms in such harsh conditions are subjecte...
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2009
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ftdatacite:10.4224/18227293 2023-05-15T17:22:27+02:00 Vertical pipe in pipe marine riser - NRC tow tank experiments Derradji-Aouat, A. 2009 https://dx.doi.org/10.4224/18227293 https://nrc-publications.canada.ca/eng/view/object/?id=b42a51ff-bb9c-44a0-b991-5954d0a82d60 en eng National Research Council Canada Marine risers Vortex Induced Vibrations Pipe-in-pipe spacers Loads Stresses Text Report report ScholarlyArticle 2009 ftdatacite https://doi.org/10.4224/18227293 2021-11-05T12:55:41Z Marine environments with harsh conditions such as those off the coast of Newfoundland and Labrador, NL, Canada, place serious operating and performance demands on offshore structures built for oil and gas production. Marine risers for floating offshore platforms in such harsh conditions are subjected to continuous and various forms of excitations and vibrations, induced by severe waves, strong currents, high winds, sea ice, and iceberg collisions. Vortex Induced Vibrations (VIV) enhance stress fatigue in marine risers and mooring systems, and consequently, shorten their expected design lifetime and increase the project’s overall capital cost. An alternate solution to the traditional “single pipe risers” is the use of pipe-in-pipe (PIP) marine risers. PIP design is based on the idea that an Inner Pipe (IP) and an Outer Pipe (OP), with floating spacers sandwiched in between, work together to reduce reacting/operating loads and fatigue stresses, increase the expected design lifetime of the riser, and maintain competitive capital costs for risers destined to operate in extremely harsh ocean environments. A model for a PIP riser was fabricated and tested at the NRC-IOT (www.nrc.ca). The test program, instruments, test results, and analysis are presented in this paper. Report Newfoundland Sea ice DataCite Metadata Store (German National Library of Science and Technology) Newfoundland Canada |
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Open Polar |
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DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Marine risers Vortex Induced Vibrations Pipe-in-pipe spacers Loads Stresses |
spellingShingle |
Marine risers Vortex Induced Vibrations Pipe-in-pipe spacers Loads Stresses Derradji-Aouat, A. Vertical pipe in pipe marine riser - NRC tow tank experiments |
topic_facet |
Marine risers Vortex Induced Vibrations Pipe-in-pipe spacers Loads Stresses |
description |
Marine environments with harsh conditions such as those off the coast of Newfoundland and Labrador, NL, Canada, place serious operating and performance demands on offshore structures built for oil and gas production. Marine risers for floating offshore platforms in such harsh conditions are subjected to continuous and various forms of excitations and vibrations, induced by severe waves, strong currents, high winds, sea ice, and iceberg collisions. Vortex Induced Vibrations (VIV) enhance stress fatigue in marine risers and mooring systems, and consequently, shorten their expected design lifetime and increase the project’s overall capital cost. An alternate solution to the traditional “single pipe risers” is the use of pipe-in-pipe (PIP) marine risers. PIP design is based on the idea that an Inner Pipe (IP) and an Outer Pipe (OP), with floating spacers sandwiched in between, work together to reduce reacting/operating loads and fatigue stresses, increase the expected design lifetime of the riser, and maintain competitive capital costs for risers destined to operate in extremely harsh ocean environments. A model for a PIP riser was fabricated and tested at the NRC-IOT (www.nrc.ca). The test program, instruments, test results, and analysis are presented in this paper. |
format |
Report |
author |
Derradji-Aouat, A. |
author_facet |
Derradji-Aouat, A. |
author_sort |
Derradji-Aouat, A. |
title |
Vertical pipe in pipe marine riser - NRC tow tank experiments |
title_short |
Vertical pipe in pipe marine riser - NRC tow tank experiments |
title_full |
Vertical pipe in pipe marine riser - NRC tow tank experiments |
title_fullStr |
Vertical pipe in pipe marine riser - NRC tow tank experiments |
title_full_unstemmed |
Vertical pipe in pipe marine riser - NRC tow tank experiments |
title_sort |
vertical pipe in pipe marine riser - nrc tow tank experiments |
publisher |
National Research Council Canada |
publishDate |
2009 |
url |
https://dx.doi.org/10.4224/18227293 https://nrc-publications.canada.ca/eng/view/object/?id=b42a51ff-bb9c-44a0-b991-5954d0a82d60 |
geographic |
Newfoundland Canada |
geographic_facet |
Newfoundland Canada |
genre |
Newfoundland Sea ice |
genre_facet |
Newfoundland Sea ice |
op_doi |
https://doi.org/10.4224/18227293 |
_version_ |
1766109121156743168 |