The present study proposes a concept of corrosion prediction under flow fields. In the concept, polarization curves in pracical condions are estimated from flow properties based on some polarization curved obtained by simple examinations. In order to achieve it, the study developed a measurement system to characterize corrosion conditions by flow properties. The system allowed the real-time observation of the transition of specimen surface using a channel made of transparent acrylic and micro scope and evaluation of flow properties by computational fluid dynamics. An experiment was carried out to demonstrate the function of the system.

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