Navy maintenance costs for seawater ballast tank preservation continue to increase, concurrent with a corresponding growth in the time interval between overhaul cycles. To reduce the high cost of manned seawater ballast tank inspections, corrosion potential and current sensors have been developed to monitor changes in the tank cathodic protection potential levels and changes in the zinc anode current requirements over time. When combined with a remote optical inspection capability, currently under development, a comprehensive monitoring program will be established which provides for in-situ long-term monitoring of tank corrosion combined with periodic visual inspections to document tank condition. The goal of this effort is to provide a tank husbandry program which will directly monitor, target and rank individual tanks in terms of condition, maintenance or overhaul requirement, without the need for costly periodic inspections.
Evaluation of ballast tank coating integrity using remote monitoring sensors and inspection technology
Bewertung der Integrität der Ballasttankbeschichtung mittels Fernüberwachungssensoren und Ferninspektionstechnologie
1998
7 Seiten, 7 Bilder, 6 Quellen
Conference paper
English
Schifftank , Seeschiff , Korrosionsgeschwindigkeit , Korrosionsmessgröße , Korrosionspotenzial , Korrosionsstrom , korrosiver Verschleiß , kathodischer Korrosionsschutz , Zinkanode , Inspektionskosten , vorbeugende Instandhaltung , optische Messmethode , Fernüberwachung , Beschichtung (Überzug) , Seewasser (Ozean)
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