What is it about?
CUI is a major problem in oil-and-gas industries. CUI happens where corrosion product is formed on the outer surface of pipe insulated by insulation. Proximity electromagnetic sensor detects the average ingress in insulation. The differences in time delays between the signal pulse of proximity electromagnetic sensors help to determine the amount of water ingress in insulation.
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Why is it important?
The use of electromagnetic sensors allow the measurement of water ingress in insulation in real time, as water allows CUI to occur under the presence of humidity. The ability to monitor the water ingress in insulation in real time without the removal of insulations helps to reduce costs. It also allows preventive maintenance to be carried out, thus preventing accidents to happen.
Perspectives
I hope this article may give a general idea of what CUI is, and the importance of monitoring the amount of water ingress in insulation. I have a great pleasure working with co-authors and everyone involved in this collaboration.
Clement Kiat
Universiti Tun Hussein Onn Malaysia
Read the Original
This page is a summary of: Effect of Malaysia’s typical weather towards corrosion under insulation (CUI), January 2023, American Institute of Physics,
DOI: 10.1063/5.0120873.
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