CO₂ Flow Metering through Multi-Modal Sensing and Statistical Data Fusion

Project overview Measurement and monitoring of CO₂ flows across the Carbon Capture and Storage (CCS) chain are essential to ensure accurate accounting of captured CO₂ and help prevent leaking during transportation to storage sites. The significant changes in physical properties of CO₂ depending on its state (gas, liquid, two-phase or supercritical) mean that CO₂ flows in CCS pipelines are complex by their nature. Meanwhile, impurities in a CO₂ pipeline also make the flow more likely in the form of two-phase mixture. Despite difficulties due to the changes in CO₂ properties, there has been very little research into metering issues of CO₂ flows. The aim of this project is to develop a cutting-edge technology for CO₂ flows metering in CCS pipelines.

The objectives are as follows:

• To establish a mass reference platform for CO₂ flowmeter calibration;
• To develop a prototype multi-modal sensing system and data fusion algorithms for mass flow metering of CO₂;
• To evaluate the performance of the multi-modal sensing system under single-phase and two-phase CO₂ flow conditions.

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