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Pore Scale Investigation of Freeze-Drying
This image of frozen porous maltodextrin with size 5 × 2.6 × 1.2 mm3 (w × h × d) was obtained by X-ray micro tomography at a temperature of −15 °C...
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Capillary Rise of Water in Nanoporous Glass as Revealed by X-ray Tomography-Based Lattice-Boltzmann Simulations
Imbibition in a nanoporous solid is governed by a complex interplay of the liquid’s viscosity, the liquid-solid interaction and the geometry of the...
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Scaling and Resolution Effect of an Andesite Sample
The present figure shows an example of how the pore space is captured at different sizes and their corresponding resolutions using Xray...
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Caprock Topography and Injection Position Influence on the Solubility Trap** Phenomena during CO2 Geological Sequestration
In CO2 geological sequestration, multiphase flow of CO2-water and solubility trap** i.e., dissolution of CO2 in water, triggers series of reactions...
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Arsenic and Boron in Felsic Rocks: A Review
Despite the fact that arsenic contamination of groundwater used as drinking water in various countries in South East Asia leads to adverse health...
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Strong Imbibition in Patterned Microfluidics
Displacement of a viscous defending fluid (μdef = 340 mPas by a less viscous invading fluid (μinv = 0.99 mPas) in a radial micromodel with a diameter...
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Climatology and circulation conditions of potential foehn occurrence in the Polish Tatra Mountains
Foehn wind occurrence has generated great interest among researchers because of the destructive power and impact on the local climate. Based on...
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The Complex Pore Spaces of Our Brain: A Challenge and Opportunity for Computer Simulations
How waste is cleared from the brain is a mystery as it lacks lymphatic vessels.
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Protective Porous Media—The Pore and Fiber Structure of Face Masks
Face masks were an essential aspect of the COVID-19 pandemic safety protocols. Understanding the structure of the mask provides insight into the best...
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Spatio-Temporal Push-Pull Imaging Reveals the Fractal Nature of Chaotic Solute Landscapes in Porous Flows
The image is obtained by pushing a fluorescent dye into a porous sample (gravel packing, mean diameter d = 7 mm), then pulling it back and imaging...
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River Runs Dry: Movement Patterns of Telestes muticellus (Cypriniformes: Leuciscidae) in an Intermittent River Stretch
Intermittent flow is a natural phenomenon in many stream systems worldwide. At the same time, droughts are an increasing threat to ecosystems as a...
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Visualization of the Role of Wettability, Pore Shape and Corner Effects in Porous Media
The effects of pore shape and wettability on menisci in porous media can be clearly demonstrated using circular and square tubes containing oil...
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The Flow of Supercritical CO2 Foam for Mobility Control
CO2 bubbles (gray) are held separated temporarily using a 5000 ppm surfactant solution (green, reflection from a fluorophore) in a microfluidic pore...
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Past and present risk of spring frosts for fruit trees in the Czech Republic
Recent climate warming is reflected in the advanced onset of spring phenological phases of fruit trees and in so-called false springs. This then...
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Simulation of Two-Phase Flow in Berea Sandstone
Two-phase flow is simulated in a 3D microstructure of Berea sandstone with the GeoDict software.
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Boise Brown
Mineral map of outcrop sandstone Boise Brown. The quartz and feldspar detrital grains are overgrain with secondary quartz which again is overgrown by...
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Pore-Scale Trap** and Flow Fields in Carbonate Rocks
Understanding the pore-scale dynamics and trap** during multiphase flow in porous media is important in many processes such as water infiltration...
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The Saint-Ursanne earthquakes of 2000 revisited: evidence for active shallow thrust-faulting in the Jura fold-and-thrust belt
The interpretation of seismotectonic processes within the uppermost few kilometers of the Earth’s crust has proven challenging due to the often...
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Boreal Mosses and Lichens
Permafrost covers a quarter of northern hemisphere lands and is highly sensitive to climate warming. The role of hydrological drains and thermal...
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Electrochemical Actuation of a Nanoporous Polypyrrole Hybrid Material
(a) High-angle annular dark-field scanning transmission electron micrograph (TEM) top-view of an as-fabricated nanoporous silicon, membrane...