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Numerical Estimation of Corrosion Environment by Airborne Sea Salt Particles

Liu, Chen-Chen / Obata, Makoto

Anticorrosion of steel bridges has been an increasingly important problem in Japan. For a proper anticorrosion and maintenance program, it is important to estimate corrosion environment of steel bridges. In Japan, airborne sea salt generated from ocean is a predominant factor. Authors have been working on establishing a consistent framework to estimate corrosion environment numerically. It consists of a local and a global approach. While adhesion of airborne sea salt particles to bridge structures are simulated locally by a CFD analysis, the large scale analysis yields a boundary conditions of the local analysis and is given by a part of a mesoscale meteorological analysis. The objective of this work is to numerically investigate reliability of such large scale analysis in estimation of corrosion environment caused by airborne sea salt particles.

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Numerical Estimation of Corrosion Environment by Airborne Sea Salt Particles

Liu, Chen-Chen / Obata, Makoto

Anticorrosion of steel bridges has been an increasingly important problem in Japan. For a proper anticorrosion and maintenance program, it is important to estimate corrosion environment of steel bridges. In Japan, airborne sea salt generated from ocean is a predominant factor. Authors have been working on establishing a consistent framework to estimate corrosion environment numerically. It consists of a local and a global approach. While adhesion of airborne sea salt particles to bridge structures are simulated locally by a CFD analysis, the large scale analysis yields a boundary conditions of the local analysis and is given by a part of a mesoscale meteorological analysis. The objective of this work is to numerically investigate reliability of such large scale analysis in estimation of corrosion environment caused by airborne sea salt particles.

Numerical Estimation of Corrosion Environment by Airborne Sea Salt Particles

Liu, Chen-Chen / Obata, Makoto

Anticorrosion of steel bridges has been an increasingly important problem in Japan. For a proper anticorrosion and maintenance program, it is important to estimate corrosion environment of steel bridges. In Japan, airborne sea salt generated from ocean is a predominant factor. Authors have been working on establishing a consistent framework to estimate corrosion environment numerically. It consists of a local and a global approach. While adhesion of airborne sea salt particles to bridge structures are simulated locally by a CFD analysis, the large scale analysis yields a boundary conditions of the local analysis and is given by a part of a mesoscale meteorological analysis. The objective of this work is to numerically investigate reliability of such large scale analysis in estimation of corrosion environment caused by airborne sea salt particles.

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Title:

Numerical Estimation of Corrosion Environment by Airborne Sea Salt Particles

Contributors:

Liu, Chen-Chen (author) / Obata, Makoto (author)

Published in:

GCCSEE, Global Conference on Civil, Structural and Environmental Engineering, 2012, International Symposium on Multi-field Coupling Theory of Rock and Soil Media and Its Applications, 3 ; 220-223

Advanced Materials Research ; 599

Publication date:

2012

Size:

4 Seiten

ISSN:

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.599.220

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Korrosionsschutz , Korrosion , Großversuch , Stahlbrücke , Japan , Adhäsion , Randbedingung , numerische Methode , Meerwasser , numerische Strömungssimulation

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