Ana Luísa Fonseca

Research Areas

The scientific activity I have been developing in the last years is mostly directed for two main technological applications: - vacuum metrology and cork studies. Both contributions were developed using vacuum technology.

Concerning vacuum metrology, the work I developed was to fill several gaps in calibrations services that did not exist in Portugal. More recently I have been collaborating in two European EMPIR projects, 20IND13 Decarb and 21GRD06 MetCCUS.

With these two projects, a metrology infrastructure to support new leak detection requirements for use of new energy gases was developed, including traceable monitoring methods for accurately quantifying leaks of hydrogen enriched natural gas from pipelines. Also, advances have been achieved concerning the challenges related to flow metering, emissions monitoring, chemical metrology and the physical properties of CO2.

Recently, regarding cork studies, in addition to many other publications, the role of coatings on the sealing of cork stoppers has been determined. These last studies emphasize that natural cork stoppers should be viewed as both sealants and membranes. These findings shed light on the importance of surface treatments and water interaction in achieving reliable sealing in cork stoppers, ultimately ensuring the preservation and quality of bottled wine.

Main publications

Fonseca, A.; Adame, C.; Teodoro, O.M.N.D. The role of coatings on the sealing of cork stoppers. Journal of Food Engineering. Volume 378, 112114 (2024). https://doi.org/10.1016/j.jfoodeng.2024.112114

Ferreira, O; Fonseca, A.; Adame, C., Bundaleski, Robinsom, R.; N.; Teodoro, O.M.N.D. Advancing hydrogen leak detection: Design and calibration of reference leaks. International Journal of Hydrogen Energy, Volume 68, 1090-1096 (2024). https://doi.org/10.1016/j.ijhydene.2024.04.328

Silva, R.; Bundaleski, N.; Fonseca, A. L.; Teodoro, O. M. N. D.  3D-Simulation of a Bayard Alpert ionisation gauge using SIMION program. Vacuum 164, 300-307 (2019). https://doi.org/10.1016/j.vacuum.2019.03.039

Bundaleski, N.; Fonseca, A. L.; Teodoro, O. M. N. D. Pressure evolution inside a cork stopper under vacuum. Vacuum 161, 375-382 (2019). https://doi.org/10.1016/j.vacuum.2019.01.009

Fonseca, A.P.; Teodoro, O.M.N.D. Design and characterization of R134a reference leaks. Int. J. Refrig. 100, 463-470 (2019). https://doi.org/10.1016/j.ijrefrig.2019.02.007

Teodoro, O.M.N.D.; Fonseca, A. L.; Pereira, H.; Moutinho, A. M. C. Vacuum Physics Applied to the Transport of Gases Through Cork. Vacuum 109, 397-400 (2014).
https://doi.org/10.1016/j.vacuum.2014.06.004

Fonseca, A. L.; Brazinha, C.; Pereira, H.; Crespo, J. G.; Teodoro, O. M. N. D. Permeability of Cork for Water and Ethanol. J. Agric. Food Chem. 61, 9672-9679 (2013). 
https://doi.org/10.1021/jf4015729

More information in:

ORCID: 0000-0001-9761-6562

Scopus Author ID: 49863416700