Unravelling pore-scale processes in geomaterials

Where/When/Accessibility? - Lecture - Other lectures


Tuesday March 3, 2020 - 7pm-8pm: lecture, followed by reception
Faculty of Sciences - Campus Sterre - Krijgslaan 281 - Gent - building S9 - 2nd floor - Auditorium A2 - A lift is available in the building.
You can easily reach the campus by bike, bus and train. The campus is situated on walking distance from railway station Gent-Sint-Pieters.
Should you prefer to come by car you can park on the campus on the night of the lecture until 10pm. Simply drive up close to the barriers and they will open.


Prof. Veerle Cnudde - Dept. Geology - RG PProGRess

Prof. Veerle Cnudde is winner of the InterPore Kimberly-Clark Distinguished Lectureship Award 2020. This lecture forms part of the K-C Distinguished Lecture Series. Download flyer (292 kB).

Physical, chemical and biological weathering has a constant effect on the earth’s landscape. This also impacts our building infrastructure, as stone and masonry are damaged by a combination of different processes, such as chemical attack, biological colonization, water infiltration and changes in temperature. Fluid flow, reactive transport, nucleation, dissolution, precipitation and mass transport are crucial processes occurring inside the pore system of geomaterials.

To fully understand the macroscopical behaviour of geomaterials in this context, their pore scale properties and processes have to be understood. The stone’s mineralogy and pore structure strongly affect key internal pore scale processes. These processes have been studied indirectly by micro- and macroscopic observations and laboratory experiments. Although this provides valuable information, the key drivers of these processes are to be studied at the pore scale.

To explore these dynamic pore-scale processes, several non-destructive 3D and 4D methods are currently available. These tools provide additional important insights. Unravelling pore-scale processes in combination with pore scale modelling is an essential step towards understanding and predicting a geomaterial’s macroscopic behaviour correctly.

The presentation discusses the current possibilities and challenges in non-destructive pore-scale imaging of geomaterials and how this data can be used as input for fluid flow models and their validation. Additional new developments at the synchrotron and on lab-based X-ray systems related to material characterization as well as to the understanding of pore-scale processes are discussed. Examples will be given of different experiments related to the characterization and the imaging of dynamic pore scale processes in (geo)materials.


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Other lectures

This lecture forms part of a larger series organized within the scope of Public Outreach. In this manner we give you a taste of research conducted at the Faculty of Sciences. View the full program for 2019-2020.

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