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The CO₂ content is very high in the pre-salt natural gas (NG) reserves in Brazil, reaching values close to 60% in molar fraction. Offshore CO₂ separation is highly attractive for oil companies, as it facilitates CO₂ injection into the sea, reducing the amount of greenhouse gases released into the atmosphere. The most common devices for CO₂ separation, such as amine units and membrane modules, are more suitable for lower CO₂ percentages than those typically found in NG extracted from pre-salt reserves. Furthermore, the size of these devices increases with the amount of CO₂ removed, thus occupying a large area of the platform deck. Having a robust system that can be installed subsea, with low complexity and little need for maintenance, is of great interest to the oil and gas industry in Brazil, as it promotes CO₂ capture and facilitates CH₄ utilization.

The researcher will

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Job ID: 255629

INESC TEC | Research Initiation Grant (AE2025-0163)
INESC TEC

Research Opportunities

Operating systems

Work description

Design of a key-value storage system that takes advantage of different remote and disaggregated storage devices, including persistent memory devices, NVMe SSD, and SATA SSD. Implementation of a prototype of the previous system and design of compaction algorithms that consider remote devices. Experimental evaluation of the developed prototype using synthetic and realistic workloads.

The tasks described in this working plan demand the application and development of concepts and techniques in the area of Software Engineering which are usually introduced in curricular units included in the curricula of the Integrated MSc in Informatics Engineering or the MSc in Informatics Engineering studies.

Academic Qualifications

BSc Degree in Informatics Engineering.

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Research Opportunities

Engineering

Work description

1. Identification of the waveguides to be used based on the frequency of interest.

2. Selection of conductive inks and substrates, typical for antennas or alternative ones such as glass, with a focus on sustainable materials and manufacturing techniques suitable for the application.

3. Design (using electromagnetic simulation software) and fabrication of test samples of unit cells of reconfigurable intelligent surfaces, with dimensions appropriate for the selected waveguides.

4. Planning of the experimental setup to support characterization, including the design and fabrication of necessary fixtures for measurements.

5. Performing the experimental characterization of the fabricated test samples using the prepared experimental setups.

6. Implementation in Matlab of data post-processing algorithms required to obtain the electrical parameters of the conductive inks and substrates.

7. Prepare submission of a scientific article.

8. Write the grant activity report.

Academic Qualifications

MSc

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