期刊
INTERNATIONAL JOURNAL OF NAVAL ARCHITECTURE AND OCEAN ENGINEERING
卷 12, 期 -, 页码 645-656出版社
SOC NAVAL ARCHITECTS KOREA
DOI: 10.1016/j.ijnaoe.2020.07.002
关键词
Corrosion modelling; Time-dependent; Non-linear corrosion; Ballast tank; Pitting corrosion
资金
- Technology Innovation Program - Ministry of Trade, Industry & Energy (MI, Korea) [10053121, 10051279]
- Korea Evaluation Institute of Industrial Technology (KEIT) [10051279] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
In this study (Part II), the empirical formulation of corrosion model of a ship's ballast tank was developed to predict nonlinear time-dependent corrosion wastage based on the advanced data processing technique proposed by Part I. The detail on how to propose generalised mathematical formulation of corrosion model was precisely documented in the previous paper (Part I). The statistical scatter of corrosion data at any exposure time was investigated by the refined method and formulated based on a 2-parameter Weibull distribution which selected the best fit PDF. Throughout the nine (9) steps, empirical formulation of the ship's seawater ballast tank was successfully proposed and four (4) key step results were also obtained. The proposed method in Part I was verified and confirmed by this application of seawater ballast tank, thus making it possible to predict accurate behaviours of nonlinear time-dependent corrosion. Developed procedures and obtained corrosion damage model for ship's seawater ballast tank can be used for development of engineering software. (C) 2020 Society of Naval Architects of Korea. Production and hosting by Elsevier B.V.
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