Search Results - "Enzmann, Frieder"

Real-time 3D imaging of Haines jumps in porous media flow by Berg, Steffen, Ott, Holger, Klapp, Stephan A., Schwing, Alex, Neiteler, Rob, Brussee, Niels, Makurat, Axel, Leu, Leon, Enzmann, Frieder, Schwarz, Jens-Oliver, Kersten, Michael, Irvine, Sarah, Stampanoni, Marco

“…Newly developed high-speed, synchrotron-based X-ray computed microtomography enabled us to directly image pore-scale displacement events in porous rock in real…”
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Benchmarking conventional and machine learning segmentation techniques for digital rock physics analysis of fractured rocks by Reinhardt, Marcel, Jacob, Arne, Sadeghnejad, Saeid, Cappuccio, Francesco, Arnold, Pit, Frank, Sascha, Enzmann, Frieder, Kersten, Michael

“…Image segmentation remains the most critical step in Digital Rock Physics (DRP) workflows, affecting the analysis of physical rock properties. Conventional…”
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Local radon flux maxima in the quaternary sediments of Schleswig–Holstein (Germany) by Albert, Johannes, Schärf, Maximilian, Enzmann, Frieder, Waltl, Martin, Sirocko, Frank

“…This paper presents radon flux profiles from four regions in Schleswig–Holstein (Northern Germany). Three of these regions are located over deep-rooted…”
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A FIB-SEM Study of Illite Morphology in Aeolian Rotliegend Sandstones: Implications for Understanding the Petrophysical Properties of Reservoir Rocks by Peltz, Markus, Jacob, Arne, Grathoff, Georg H., Enzmann, Frieder, Kersten, Michael, Warr, Laurence N.

“…Diagenetic illite growth in porous sandstones leads to significant modifications of the initial pore system which result in tight reservoirs. Understanding and…”
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Relationship Between Microbial Growth and Hydraulic Properties at the Sub-Pore Scale by Hassannayebi, Neda, Jammernegg, Boris, Schritter, Johanna, Arnold, Pit, Enzmann, Frieder, Kersten, Michael, Loibner, Andreas P., Fernø, Martin, Ott, Holger

“…Accumulation of microbial biomass and its influence on porous media flow were investigated under saturated flow conditions. Microfluidic experiments were…”
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Mass-Movement Causes and Landslide Susceptibility in River Valleys of Lowland Areas: A Case Study in the Central Radunia Valley, Northern Poland by Małka, Anna, Zabuski, Lesław, Enzmann, Frieder, Krawiec, Arkadiusz

“…This work aims to analyse the mechanisms and factors contributing to shallow soil landslides in river valleys entrenched in lowlands on the example of the…”
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A massacre of early Neolithic farmers in the high Pyrenees at Els Trocs, Spain by Alt, Kurt W., Tejedor Rodríguez, Cristina, Nicklisch, Nicole, Roth, David, Szécsényi Nagy, Anna, Knipper, Corina, Lindauer, Susanne, Held, Petra, de Lagrán, Íñigo García Martínez, Schulz, Georg, Schuerch, Thomas, Thieringer, Florian, Brantner, Philipp, Brandt, Guido, Israel, Nicole, Arcusa Magallón, Héctor, Meyer, Christian, Mende, Balazs G., Enzmann, Frieder, Dresely, Veit, Ramsthaler, Frank, Guillén, José Ignacio Royo, Scheurer, Eva, López Montalvo, Esther, Garrido Pena, Rafael, Pichler, Sandra L., Guerra, Manuel A. Rojo

“…Violence seems deeply rooted in human nature and an endemic potential for such is today frequently associated with differing ethnic, religious or…”
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Digital rock physics: Effect of fluid viscosity on effective elastic properties by Saenger, Erik H., Enzmann, Frieder, Keehm, Youngseuk, Steeb, Holger

“…This paper is concerned with the effect of pore fluid viscosity on effective elastic properties using digitized rocks. We determine a significant velocity…”
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Evidence for close-range hunting by last interglacial Neanderthals by Gaudzinski-Windheuser, Sabine, Noack, Elisabeth S., Pop, Eduard, Herbst, Constantin, Pfleging, Johannes, Buchli, Jonas, Jacob, Arne, Enzmann, Frieder, Kindler, Lutz, Iovita, Radu, Street, Martin, Roebroeks, Wil

“…Animal resources have been part of hominin diets since around 2.5 million years ago, with sharp-edged stone tools facilitating access to carcasses. How exactly…”
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Mineral precipitation-induced porosity reduction and its effect on transport parameters in diffusion-controlled porous media by Chagneau, Aurélie, Claret, Francis, Enzmann, Frieder, Kersten, Michael, Heck, Stephanie, Madé, Benoît, Schäfer, Thorsten

“…Background In geochemically perturbed systems where porewater and mineral assemblages are unequilibrated the processes of mineral precipitation and dissolution…”
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Multi-Methodological Investigation of the Biersdorf Hillslope Debris Flow (Rheinland-Pfalz, Germany) Associated to the Torrential Rainfall Event of 14 July 2021 by Hagge-Kubat, Teemu, Fischer, Peter, Süßer, Philip, Rotter, Philipp, Wehinger, Ansgar, Vött, Andreas, Enzmann, Frieder

“…The investigation of mass movements is of major interest in mountain regions as these events represent a significant hazard for people and cause severe damage…”
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The Origin of Non-thermal Fluctuations in Multiphase Flow in Porous Media by Rücker, Maja, Georgiadis, Apostolos, Armstrong, Ryan T., Ott, Holger, Brussee, Niels, van der Linde, Hilbert, Simon, Ludwig, Enzmann, Frieder, Kersten, Michael, Berg, Steffen

“…Core flooding experiments to determine multiphase flow in properties of rock such as relative permeability can show significant fluctuations in terms of…”
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Pore scale modelling of calcite cement dissolution in a reservoir sandstone matrix by Hinz, Christian, Enzmann, Frieder, Kersten, Michael

“…Long-term evolution of permeability and tortuosity due to porosity changes evoked by reactivity of aqueous solutions is of paramount importance for predicting…”
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Natural gas hydrate investigations by synchrotron radiation X-ray cryo-tomographic microscopy (SRXCTM) by Murshed, M. Mangir, Klapp, Stephan A., Enzmann, Frieder, Szeder, Thore, Huthwelker, Thomas, Stampanoni, Marco, Marone, Federica, Hintermüller, Christoph, Bohrmann, Gerhard, Kuhs, Werner F., Kersten, Michael

“…We report the 3D microstructure analyses of natural gas hydrates sampled from Gulf of Mexico. The samples were characterized by synchrotron radiation X‐ray…”
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Microstructure characteristics during hydrate formation and dissociation revealed by X-ray tomographic microscopy by Klapp, Stephan A., Enzmann, Frieder, Walz, Peter, Huthwelker, Thomas, Tuckermann, Jürgen, Schwarz, J.-Oliver, Pape, Thomas, Peltzer, Edward T., Mokso, Rajmund, Wangner, David, Marone, Federica, Kersten, Michael, Bohrmann, Gerhard, Kuhs, Werner F., Stampanoni, Marco, Brewer, Peter G.

“…Despite much progress over the past years in fundamental gas hydrate research, frontiers to the unknown are the early beginning and early decomposition of gas…”
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Digital rock physics, chemistry, and biology: challenges and prospects of pore-scale modelling approach by Sadeghnejad, Saeid, Enzmann, Frieder, Kersten, Michael

“…Conventional and unconventional hydrocarbon rocks have complicated pore structures with heterogeneities distributed over various length scales (from nanometre…”
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Hydrogen underground storage—Petrographic and petrophysical variations in reservoir sandstones from laboratory experiments under simulated reservoir conditions by Flesch, Steven, Pudlo, Dieter, Albrecht, Daniel, Jacob, Arne, Enzmann, Frieder

“…Fluctuating energy production by renewables is one of the main issues in transition times of energy production from conventional power plants to an energy…”
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Numerical Simulation of Particle Retention Mechanisms at the Sub-Pore Scale by Sadeghnejad, Saeid, Enzmann, Frieder, Kersten, Michael

“…The evolution of pore structure caused by particle retention is a function of heterogeneity and nonlinear coupling of particle transport and fluid flow…”
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Processing of rock core microtomography images: Using seven different machine learning algorithms by Chauhan, Swarup, Rühaak, Wolfram, Khan, Faisal, Enzmann, Frieder, Mielke, Philipp, Kersten, Michael, Sass, Ingo

“…The abilities of machine learning algorithms to process X-ray microtomographic rock images were determined. The study focused on the use of unsupervised,…”
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Image-Based Multi-scale Reconstruction of Unresolved Microporosity in 3D Heterogeneous Rock Digital Twins Using Cross-Correlation Simulation and Watershed Algorithm by Moslemipour, Abolfazl, Sadeghnejad, Saeid, Enzmann, Frieder, Khoozan, Davood, Hupfer, Sarah, Schäfer, Thorsten, Kersten, Michael

“…Multi-scale modelling techniques are commonly used to characterize heterogeneous rock samples. However, open challenges limit the efficiency of these models. A…”
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