Abstract
This thesis addresses the challenge of upscaling in porous media, a critical issue where the accurate prediction of continuum behavior depends on pore-scale characteristics. By employing statistical modelling, the study thoroughly investigates the upscaling footprint from pore to Darcy scale for homogeneous pore network models. Through detailed property scaling, comprehensive REV relationships that quantify the impact of microscale size and connectivity heterogeneities on continuum behavior are developed. Model-agnostic analysis concurrently reveals complex non-linear dependencies between pore-scale features and emergent flow behavior. These insights highlight the intricate nature of upscaling and underscore the necessity for precise microscale characterization to inform effective macroscopic predictions.
Translated title of the contribution | Quantifizierung des Upscaling-Footprints von der Poren- zur Darcy-Skala durch Modellierung von Porennetzwerken: Eine Analyse der mikroskopischen Struktur und ihrer makroskopischen Implikationen |
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Original language | English |
Qualification | Dipl.-Ing. |
Awarding Institution |
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Supervisors/Advisors |
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Award date | 20 Dec 2024 |
DOIs | |
Publication status | Published - 2024 |
Bibliographical note
no embargoKeywords
- Upscaling
- Porous media
- Darcy scale
- Pore network modeling
- REV
- Heterogeneity
- Statistical modeling
- Coefficient of variation