Wicking, the spontaneous movement of liquid into a dry porous medium, is a critical phenomenon with wide-ranging industrial applications. Though wicking under isothermal conditions have been studied/modeled for more than a century, wicking under non-isothermal conditions remains relatively unexplored.
In an earlier study, we proposed, using the sharp-front approximation, three different...
Local thermal equilibrium, meaning an instantaneous heat transfer between different phases, is often assumed when modeling heat transfer in porous media systems. However, for some technical applications as well as environmental systems, such as self-pumping transpiration cooling [2], fuel cells [4] and geothermal systems [3], heat exchange processes between the different phases may be of great...
Nanoscale confined systems are common in the environment and in many technological innovations. Recent studies have shown that the fundamental properties and reactivity of bulk water or unconfined surfaces change under nanoscale confinement. These confinement-imposed changes, in turn, influence several nanoscale processes. Understanding nanoscale processes within confined systems is important...
Engineered shear-thinning (ST) fluids, including polymer-based solutions, attracted considerable interest in subsurface applications for optimizing fluid circulation, transporting remedial amendments, and sweeping non-aqueous liquids in enhanced oil recovery (EOR). In this study, a stochastic analysis based on the Monte Carlo method is carried out to investigate how variations in fracture...
The warming climate is inducing changes in hydrological processes in the cryosphere that are not well understood. In this context, the proposed work seeks to advance our understanding of the pore-scale physics of fluid flow through subfreezing porous material such as snow, firn and permafrost. Such flow involves the complex interplay amongst interfacial flow (e.g. air-water), phase change...
The method of carbon dioxide (CO2) injection in shale reservoirs has prevailed in recent decades, attributed to CO2 injection promoting shale gas (CH4) production while being sequestrated to eliminate the greenhouse effect for an environmentally friendly society. However, the efficiency of CO2-enhanced CH4 recovery (CO2-EGR) in shale reservoirs is influenced by geological factors, including...
