Understanding Pi and CUI

Corrosion under insulation, or CUI, refers to a type of corrosion that damages carbon, low-alloy, and austenitic stainless-steel equipment (e.g., pipework and pressure vessels) that are fitted with thermal insulation and protective cladding layers. CUI is classified as ‘external’ corrosion because it forms on the outside of pipework and vessels

Machine Learning Project

Subtera has recently completed an Innovate UK funded research project, in collaboration with the National Physical Laboratory, to explore the feasibility of applying machine learning techniques to pipework inspection data. The overarching objective of the project was to identify which machine learning methods could be applied in order to correctly

Independent Technology Evaluation

Between June and December 2022 SubTera contracted ESR Technology, the industrial engineering, safety, and risk specialist organisation, to conduct an independent evaluation of Pi, SubTera’s corrosion under insulation (CUI) and moisture detection sensor. During the activity, a blind trial was performed in which a corrosion scab was developed from first

SubTera joins IFEAA

The company has recently become a member of IFEAA, the International Fugitive Emissions Abatement Association. Fugitive emissions may be described as ‘leaks and other unplanned releases of gas from industrial processes’. IFEAA is committed to helping industry reduce fugitive emissions so that together we can achieve humankind’s net-zero objectives. Given the

Composite Inspection Project

SubTera recently conducted a feasibility project in conjunction with the UKs National Composites Centre (NCC). The objective of the project was to explore the potential of using real time passive sub-terahertz imaging to detect manufacturing defects within glass-fibre reinforced plastic (GFRP). Working closely with the NCC’s NDT team, led by

Pi Field Trials Update

Over the past 6 months SubTera has been working closely with several industrial organisations, to conduct field trials of Pi, the handheld passive terahertz inspection solution.  The trial facilities were based in the UK and central Europe, and provided SubTera with a broad set of locations and asset conditions. The

Terahertz sensing ‘v’ thermal imaging

Terahertz photons pass through insulation and cladding Terahertz energy – also known as T-waves & THz – refers to electromagnetic energy in the frequency range between 0.1 to 3 THz. Wavelengths in the terahertz region range from 1 mm to 0.01 mm. The electromagnetic THz region is located between the microwave and thermal regions, and subsequently demonstrates properties of both these

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