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A study on the specification of minimum design air temperature for ships and offshore structures

Published on Jul 1, 2018in Ocean Engineering2.73
· DOI :10.1016/j.oceaneng.2018.04.040
Robert Bridges1
Estimated H-index: 1
(Total S.A.),
Kaj Riska10
Estimated H-index: 10
(Total S.A.)
+ 2 AuthorsJean-Michel Aubert1
Estimated H-index: 1
(Total S.A.)
Abstract
Abstract Low temperatures can have a significant impact on the design and construction of marine and offshore structures as the performance and functions can be severely reduced. Compliance with relevant rules and regulations forms a prerequisite along with the specific design considerations to be taken into account. This paper provides an overview of the influence that the specification of the air temperature has on the materials selection used in design codes and standards. The paper focuses on the standards and the definitions used for the ambient air temperature and contributing parameters. To highlight the impact, analysis of air temperature data is presented for low temperature regions of the Russian Arctic, and observations from application to design standards for ships and offshore structures are provided based on this. From the analysis it is clear that the design temperature needs to be carefully selected to ensure the reliability of fracture toughness of structures.
  • References (7)
  • Citations (1)
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References7
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Abstract Sea ice poses hazards to ships and offshore structures which create challenges for designers. Designers have to take into account the ice actions resulting from the various ice conditions, interactions and operational scenarios which may occur during the lifetime of structures. In this paper the methodologies used in ship and offshore structure standards, such as the Finnish Swedish Ice Class Rules, International Association of Classification Societies Polar Class rules and ISO 19906, a...
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#1Heri Sulistiyono (University of Mataram)H-Index: 3
#2Faisal Khan (MUN: Memorial University of Newfoundland)H-Index: 53
Last. Ming Yang (MUN: Memorial University of Newfoundland)H-Index: 13
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Increasing activities in the Arctic and Antarctic waters have drawn awareness of the risks of shipping in these regions. Winterization of vessels needs to be considered at the design stage to mitigate the risk of icing, freezing or other damages due to low temperature. The temperature that should be used for design and equipment procurement specification must be defined. Classification societies have proposed design temperatures such as the design service temperature (DST) and the minimum antici...
6 CitationsSource
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Abstract Specific risks to offshore oil and gas operations manifest in the Arctic and other harsh environments. Such extreme operating conditions can disrupt the offshore infrastructure and cause major accidents, posing a great challenge to operators. A thorough investigation of past incidents helps to learn lessons to ensure that a recurrence of serious accidents affecting workers and the environment can be prevented. The analysis of past incidents is divided into two parts. First, we offer a s...
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