Search Results - "Hommel, Johannes"

A revised model for microbially induced calcite precipitation: Improvements and new insights based on recent experiments by Hommel, Johannes, Lauchnor, Ellen, Phillips, Adrienne, Gerlach, Robin, Cunningham, Alfred B., Helmig, Rainer, Ebigbo, Anozie, Class, Holger

“…The model for microbially induced calcite precipitation (MICP) published by Ebigbo et al. (2012) has been improved based on new insights obtained from…”
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Machine learning assists in increasing the time resolution of X-ray computed tomography applied to mineral precipitation in porous media by Lee, Dongwon, Weinhardt, Felix, Hommel, Johannes, Piotrowski, Joseph, Class, Holger, Steeb, Holger

“…Many subsurface engineering technologies or natural processes cause porous medium properties, such as porosity or permeability, to evolve in time. Studying and…”
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Effects of Enzymatically Induced Carbonate Precipitation on Capillary Pressure–Saturation Relations by Johannes Hommel, Luca Gehring, Felix Weinhardt, Matthias Ruf, Holger Steeb

“…Leakage mitigation methods are an important part of reservoir engineering and subsurface fluid storage, in particular. In the context of multi-phase systems of…”
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A Numerical Model for Enzymatically Induced Calcium Carbonate Precipitation by Hommel, Johannes, Akyel, Arda, Frieling, Zachary, Phillips, Adrienne J., Gerlach, Robin, Cunningham, Alfred B., Class, Holger

“…Enzymatically induced calcium carbonate precipitation (EICP) is an emerging engineered mineralization method similar to others such as microbially induced…”
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Porosity–Permeability Relations for Evolving Pore Space: A Review with a Focus on (Bio-)geochemically Altered Porous Media by Hommel, Johannes, Coltman, Edward, Class, Holger

“…Reactive transport processes in a porous medium will often both cause changes to the pore structure, via precipitation and dissolution of biomass or minerals,…”
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Spatiotemporal Distribution of Precipitates and Mineral Phase Transition During Biomineralization Affect Porosity–Permeability Relationships: Microfluidic investigations by Weinhardt, Felix, Deng, Jingxuan, Hommel, Johannes, Vahid Dastjerdi, Samaneh, Gerlach, Robin, Steeb, Holger, Class, Holger

“…Enzymatically induced calcium carbonate precipitation is a promising geotechnique with the potential, for example, to seal leakage pathways in the subsurface…”
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Spatiotemporal Distribution of Precipitates and Mineral Phase Transition During Biomineralization Affect Porosity–Permeability Relationships by Weinhardt, Felix, Deng, Jingxuan, Hommel, Johannes, Vahid Dastjerdi, Samaneh, Gerlach, Robin, Steeb, Holger, Class, Holger

“…Enzymatically induced calcium carbonate precipitation is a promising geotechnique with the potential, for example, to seal leakage pathways in the subsurface…”
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Investigation of Crystal Growth in Enzymatically Induced Calcite Precipitation by Micro-Fluidic Experimental Methods and Comparison with Mathematical Modeling by von Wolff, Lars, Weinhardt, Felix, Class, Holger, Hommel, Johannes, Rohde, Christian

“…Enzymatically induced calcite precipitation (EICP) is an engineering technology that allows for targeted reduction of porosity in a porous medium by…”
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Investigating the Influence of the Initial Biomass Distribution and Injection Strategies on Biofilm-Mediated Calcite Precipitation in Porous Media by Hommel, Johannes, Lauchnor, Ellen, Gerlach, Robin, Cunningham, Alfred B., Ebigbo, Anozie, Helmig, Rainer, Class, Holger

“…Attachment of bacteria in porous media is a complex mixture of processes resulting in the transfer and immobilization of suspended cells onto a solid surface…”
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Surrogate-based Bayesian comparison of computationally expensive models: application to microbially induced calcite precipitation by Scheurer, Stefania, Schäfer Rodrigues Silva, Aline, Mohammadi, Farid, Hommel, Johannes, Oladyshkin, Sergey, Flemisch, Bernd, Nowak, Wolfgang

“…Geochemical processes in subsurface reservoirs affected by microbial activity change the material properties of porous media. This is a complex biogeochemical…”
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DuMux 3 – an open-source simulator for solving flow and transport problems in porous media with a focus on model coupling by Koch, Timo, Gläser, Dennis, Weishaupt, Kilian, Ackermann, Sina, Beck, Martin, Becker, Beatrix, Burbulla, Samuel, Class, Holger, Coltman, Edward, Emmert, Simon, Fetzer, Thomas, Grüninger, Christoph, Heck, Katharina, Hommel, Johannes, Kurz, Theresa, Lipp, Melanie, Mohammadi, Farid, Scherrer, Samuel, Schneider, Martin, Seitz, Gabriele, Stadler, Leopold, Utz, Martin, Weinhardt, Felix, Flemisch, Bernd

“…We present version 3 of the open-source simulator for flow and transport processes in porous media DuMux. DuMux is based on the modular C++ framework Dune…”
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Novel approach for modeling kinetic interface-sensitive (KIS) tracers with respect to time-dependent interfacial area change for the optimization of supercritical carbon dioxide injection into deep saline aquifers by Tatomir, Alexandru Bogdan, Schaffer, Mario, Kissinger, Alexander, Hommel, Johannes, Nuske, Philipp, Licha, Tobias, Helmig, Rainer, Sauter, Martin

“…•A novel numerical approach for kinetic interface sensitive tracers is developed.•Includes a time-dependent interfacial area change between scCO2 and…”
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Investigating the Influence of the Initial Biomass Distribution and Injection Strategies on Biofilm-Mediated Calcite Precipitation in Porous Media by Hommel, Johannes, Lauchnor, Ellen, Gerlach, Robin, Cunningham, Alfred B., Ebigbo, Anozie, Helmig, Rainer, Class, Holger

“…Attachment of bacteria in porous media is a complex mixture of processes resulting in the transfer and immobilization of suspended cells onto a solid surface…”
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Explicit continuum scale modeling of low-salinity mechanisms by Kurgyis, Kata, Hommel, Johannes, Flemisch, Bernd, Helmig, Rainer, Ott, Holger

“…Understanding the influence of injection water composition on the displacement efficiency has been a long-standing issue in reservoir engineering; a reduction…”
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Surrogate-based Bayesian Comparison of Computationally Expensive Models: Application to Microbially Induced Calcite Precipitation by Scheurer, Stefania, Silva, Aline Schäfer Rodrigues, Mohammadi, Farid, Hommel, Johannes, Oladyshkin, Sergey, Flemisch, Bernd, Nowak, Wolfgang

“…Geochemical processes in subsurface reservoirs affected by microbial activity change the material properties of porous media. This is a complex biogeochemical…”
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DuMu$^\text{x}$ 3 -- an open-source simulator for solving flow and transport problems in porous media with a focus on model coupling by Koch, Timo, Gläser, Dennis, Weishaupt, Kilian, Ackermann, Sina, Beck, Martin, Becker, Beatrix, Burbulla, Samuel, Class, Holger, Coltman, Edward, Emmert, Simon, Fetzer, Thomas, Grüninger, Christoph, Heck, Katharina, Hommel, Johannes, Kurz, Theresa, Lipp, Melanie, Mohammadi, Farid, Scherrer, Samuel, Schneider, Martin, Seitz, Gabriele, Stadler, Leopold, Utz, Martin, Weinhardt, Felix, Flemisch, Bernd

“…We present version 3 of the open-source simulator for flow and transport processes in porous media DuMu$^\text{x}$. DuMu$^\text{x}$ is based on the modular C++…”
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