Author(s)

K. Amaya, A. Nakayama & N. Yamamoto

Abstract

We developed the numerical analysis assisted monitoring method for the coating condition on a ballast tank wall. We proposed that the coating condition is evaluated with the surface resistance. We developed the identification method to obtain the whole surface resistance from the differential potential induced by the impressed current from an optional anode inside a tank. We introduced differential potential measurement and inverse analysis to obtain the surface resistance representing the coating condition. The potential measurement and quantitative evaluation were conducted in the actual ship. The verification was performed and there was the good agreement between the proposed method and the preliminary visual inspection. Keywords: corrosion analysis, numerical analysis, surface resistance, inverse problem, coating condition, ballast tank.

Keywords

corrosion analysis, numerical analysis, surface resistance, inverse problem, coating condition, ballast tank