The mechanisms of CO2 corrosion are complex and the effect of several parameters was recognised as important in the damage prediction. Predictive models are validated using both field observation and laboratory tests, where the quantitative information about flowrate and flowpattern is somehow lacking. With the aim at obtaining a better correlation between laboratory test results and field observation, a computational fluodynamic code was used in this work, to model the situation inside a cylindrical cell with rotating specimens. Preliminary results show that this technique can be useful to a better understanding of the experimental data. The morphology of localised corrosion (mesa attack) was reproduced in samples tested in the cell.

Subject
Modeling, Corrosion rate, Glass, Turbulent flow, Walls, Wall shear stress, Pipelines, Stress, Corrosion attacks, Shear, Fluids, Computer based testing, Localized corrosion
Keywords:
carbon dioxide, corrosion, computational fluid dynamics, shear stress
© 2003 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
2003
Association for Materials Protection and Performance (AMPP)
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