Pore-scale modelling of multiphase flow in geological energy storage: Insights into hydrogen and helium behaviour

This thesis studies subsurface gas phenomena utilising an integrated pore-scale modelling approach, emphasising hydrogen (H2) storage, and helium entrapment within geological deposits. This study is motivated by the growing interest in underground energy storage and the imperative to address concerns related to gas migration, retention, and dynamic reactivity. Sandstone reservoirs are emphasised,…