Uncertainty in corrosion wastage prediction of oil tankers

Jurišić, Paul and Parunov, Joško and Žiha, Kalman (2012) Uncertainty in corrosion wastage prediction of oil tankers. = Uncertainty in corrosion wastage prediction of oil tankers. In: 14th International Congress of the International Maritime Association of the Mediterranean, IMAM 2011, 13 September - 16 September 2011., Genova, Italy.

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Official URL: http://bib.irb.hr/prikazi-rad?rad=533500

Abstract

The paper describes investigation of the global and local corrosion wastage of three single-hull oil tankers built in eighties. Analysis of data is based on existing thickness measurements of hull elements from Croatian Register of Shipping (CRS) file, gauged on periodic dry-docking and closeup surveys of ships in service after 10, 15 and 20 years. Hull Girder Section Modulus (HGSM) and local corrosion wastage of main deck plates and longitudinals are determined as a function of time taking into account the lifetime of the protective coatings. The available theoretical non-linear corrosion propagation model is fitted to the measurements after 10 and 15 years in order to predict the corrosion loss at 20 years. Uncertainty of the corrosion propagation model is then determined by the statistical analysis of differences between predicted and measured corrosion losses at 20 years. © 2012 Taylor & Francis Group, London, UK.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): Analysis of data; Corrosion loss; Corrosion propagation; Corrosion wastage; Deck plates; Function of time; Hull girder; Local corrosion, Oil tankers; Protective coatings; Ships; Thickness measurement; Waterway transportation, Corrosion
Subjects: TECHNICAL SCIENCE > Shipbuilding
Divisions: 600 Department of Naval Engineering and Marine Technology > 620 Chair of Marine Structures Design
600 Department of Naval Engineering and Marine Technology > 640 Chair of Shipbuilding Technology
Indexed in Web of Science: No
Indexed in Current Contents: No
Citations SCOPUS: 3 (05.10.2017.)
Date Deposited: 02 Apr 2015 14:06
Last Modified: 08 Nov 2017 12:58
URI: http://repozitorij.fsb.hr/id/eprint/3499

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