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"last" : "Scherrer"}, {"first" : "Martin", "last" : "Schneider"}, {"first" : "Leopold", "last" : "Stadler"}, {"first" : "Maziar", "last" : "Veyskarami"}, {"first" : "Yue", "last" : "Wang"}, {"first" : "Roman", "last" : "Winter"}, {"first" : "Hanchuan", "last" : "Wu"} ], "copyright" : "GNU General Public License v3.0 or later", "bemerkung" : "gehoert zu Software", "doi" : "10.5281/ZENODO.4271486", "bibtexKey": "https://doi.org/10.5281/zenodo.4271486" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/218d0b08c761706b0a67eca5cf6aed113/testusersimtech", "tags" : [ "EXC2075","PN5","PN5-2A","selected" ], "intraHash" : "18d0b08c761706b0a67eca5cf6aed113", "interHash" : "e1a0e716ca85a6773d9683af19f3349d", "label" : "Microbial induced wettability alteration with implications for Underground Hydrogen Storage", "user" : "testusersimtech", "description" : "", "date" : "2024-10-07 09:24:07", "changeDate" : "2024-10-07 09:24:07", "count" : 9, "pub-type": "article", "journal": "Scientific Reports", "year": "2024", "url": "https://doi.org/10.1038/s41598-024-58951-6", "author": [ "Maartje Boon","Ivan Buntic","Kadir Ahmed","Nicole Dopffel","Catherine Peters","Hadi Hajibeygi" ], "authors": [ {"first" : "Maartje", "last" : "Boon"}, {"first" : "Ivan", "last" : "Buntic"}, {"first" : "Kadir", "last" : "Ahmed"}, {"first" : "Nicole", "last" : "Dopffel"}, {"first" : "Catherine", "last" : "Peters"}, {"first" : "Hadi", "last" : "Hajibeygi"} ], "volume": "14","number": "1","pages": "8248","abstract": "Characterization of the microbial activity impacts on transport and storage of hydrogen is a crucial aspect of successful Underground Hydrogen Storage (UHS). Microbes can use hydrogen for their metabolism, which can then lead to formation of biofilms. Biofilms can potentially alter the wettability of the system and, consequently, impact the flow dynamics and trapping mechanisms in the reservoir. In this study, we investigate the impact of microbial activity on wettability of the hydrogen/brine/rock system, using the captive-bubble cell experimental approach. Apparent contact angles are measured for bubbles of pure hydrogen in contact with a solid surface inside a cell filled with living brine which contains sulphate reducing microbes. To investigate the impact of surface roughness, two different solid samples are used: a ``rough'' Bentheimer Sandstone sample and a ``smooth'' pure Quartz sample. It is found that, in systems where buoyancy and interfacial forces are the main acting forces, the impact of biofilm formation on the apparent contact angle highly depends on the surface roughness. For the ``rough'' Bentheimer sandstone, the apparent contact angle was unchanged by biofilm formation, while for the smooth pure Quartz sample the apparent contact angle decreased significantly, making the system more water-wet. This decrease in apparent contact angle is in contrast with an earlier study present in the literature where a significant increase in contact angle due to microbial activity was reported. The wettability of the biofilm is mainly determined by the consistency of the Extracellular Polymeric Substances (EPS) which depends on the growth conditions in the system. Therefore, to determine the impact of microbial activity on the wettability during UHS will require accurate replication of the reservoir conditions including surface roughness, chemical composition of the brine, the microbial community, as well as temperature, pressure and pH-value conditions.", "issn" : "2045-2322", "doi" : "10.1038/s41598-024-58951-6", "bibtexKey": "Boon2024" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/243bf6f46ab29a30e6a5ace70b73a1718/testusersimtech", "tags" : [ "EXC2075","PN5","PN5-2A","unclear" ], "intraHash" : "43bf6f46ab29a30e6a5ace70b73a1718", "interHash" : "905a2bc41a22b8bc0b2bba192bfde75f", "label" : "DuMux 3.9.0", "user" : "testusersimtech", "description" : "", "date" : "2024-10-07 09:24:07", "changeDate" : "2024-10-07 09:24:07", "count" : 6, "pub-type": "misc", "publisher":"DaRUS", "year": "2024", "url": "https://darus.uni-stuttgart.de/citation?persistentId=doi:10.18419/darus-4351", "author": [ "Leon Keim","Ivan Buntic","Edward Coltman","Bernd Flemisch","Tufan Ghosh","Mona Giraud","Dennis Gläser","Christoph Grüninger","Johannes Hommel","Mathis Kelm","Timo Koch","Anna Mareike Kostelecky","Stefan Meggendorfer","Hamza Oukili","Martin Schneider","Theresa Schollenberger","Maziar Veyskarami","Yue Wang","Kai Wendel","David Werner","Hanchuan Wu" ], "authors": [ {"first" : "Leon", "last" : "Keim"}, {"first" : "Ivan", "last" : "Buntic"}, {"first" : "Edward", "last" : "Coltman"}, {"first" : "Bernd", "last" : "Flemisch"}, {"first" : "Tufan", "last" : "Ghosh"}, {"first" : "Mona", "last" : "Giraud"}, {"first" : "Dennis", "last" : "Gläser"}, {"first" : "Christoph", "last" : "Grüninger"}, {"first" : "Johannes", "last" : "Hommel"}, {"first" : "Mathis", "last" : "Kelm"}, {"first" : "Timo", "last" : "Koch"}, {"first" : "Anna Mareike", "last" : "Kostelecky"}, {"first" : "Stefan", "last" : "Meggendorfer"}, {"first" : "Hamza", "last" : "Oukili"}, {"first" : "Martin", "last" : "Schneider"}, {"first" : "Theresa", "last" : "Schollenberger"}, {"first" : "Maziar", "last" : "Veyskarami"}, {"first" : "Yue", "last" : "Wang"}, {"first" : "Kai", "last" : "Wendel"}, {"first" : "David", "last" : "Werner"}, {"first" : "Hanchuan", "last" : "Wu"} ], "bemerkung" : "gehoert zu Software", "doi" : "10.18419/DARUS-4351", "bibtexKey": "https://doi.org/10.18419/darus-4351" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2f036038217368193b3eb4534fc01a401/testusersimtech", "tags" : [ "EXC2075","PN1","PN1-5","PN5","PN5-2A","unclear" ], "intraHash" : "f036038217368193b3eb4534fc01a401", "interHash" : "227358ac97414917c556ed9c1bc46f33", "label" : "DuMuX 3.2.0", "user" : "testusersimtech", "description" : "", "date" : "2024-10-07 09:24:07", "changeDate" : "2024-10-07 09:24:07", "count" : 7, "pub-type": "misc", "publisher":"Zenodo", "year": "2020", "url": "https://zenodo.org/record/3784768", "author": [ "Edward Coltman","Sina Ackermann","Beatrix Becker","Markus Blatt","Samuel Burbulla","Holger Class","Simon Emmert","Bernd Flemisch","Dennis Gläser","Christoph Grüninger","Katharina Heck","Johannes Hommel","Tim Jupe","Timo Koch","Theresa Kurz","Melanie Lipp","Farid Mohammadi","Martin Schneider","Gabriele Seitz","Leopold Stadler","Martin Utz","Maziar Veyskarami","Felix Weinhardt","Kilian Weishaupt","Roman Winter" ], "authors": [ {"first" : "Edward", "last" : "Coltman"}, {"first" : "Sina", "last" : "Ackermann"}, {"first" : "Beatrix", "last" : "Becker"}, {"first" : "Markus", "last" : "Blatt"}, {"first" : "Samuel", "last" : "Burbulla"}, {"first" : "Holger", "last" : "Class"}, {"first" : "Simon", "last" : "Emmert"}, {"first" : "Bernd", "last" : "Flemisch"}, {"first" : "Dennis", "last" : "Gläser"}, {"first" : "Christoph", "last" : "Grüninger"}, {"first" : "Katharina", "last" : "Heck"}, {"first" : "Johannes", "last" : "Hommel"}, {"first" : "Tim", "last" : "Jupe"}, {"first" : "Timo", "last" : "Koch"}, {"first" : "Theresa", "last" : "Kurz"}, {"first" : "Melanie", "last" : "Lipp"}, {"first" : "Farid", "last" : "Mohammadi"}, {"first" : "Martin", "last" : "Schneider"}, {"first" : "Gabriele", "last" : "Seitz"}, {"first" : "Leopold", "last" : "Stadler"}, {"first" : "Martin", "last" : "Utz"}, {"first" : "Maziar", "last" : "Veyskarami"}, {"first" : "Felix", "last" : "Weinhardt"}, {"first" : "Kilian", "last" : "Weishaupt"}, {"first" : "Roman", "last" : "Winter"} ], "copyright" : "GNU General Public License v3.0 or later", "bemerkung" : "gehoert zu Software/Data", "doi" : "10.5281/ZENODO.3784768", "bibtexKey": "https://doi.org/10.5281/zenodo.3784768" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/29c79a23ab4b45b4a3e0d262b76e1aca5/testusersimtech", "tags" : [ "EXC2075","PN1","PN1-6","PN5","PN5-2A","unclear" ], "intraHash" : "9c79a23ab4b45b4a3e0d262b76e1aca5", "interHash" : "0a5b165c8a77dba30acdb6eb93091270", "label" : "DuMux 3.8.0", "user" : "testusersimtech", "description" : "", "date" : "2024-10-07 09:24:07", "changeDate" : "2024-10-07 09:24:07", "count" : 7, "pub-type": "dataset", "publisher":"DaRUS", "year": "2023", "url": "https://darus.uni-stuttgart.de/citation?persistentId=doi:10.18419/darus-3788", "author": [ "Ivan Buntic","Edward Coltman","Bernd Flemisch","Tufan Ghosh","Dennis Gläser","Christoph Grüninger","Johannes Hommel","Leon Keim","Mathis Kelm","Timo Koch","Anna Mareike Kostelecky","Melanie Lipp","Hamza Oukili","Martin Schneider","Martin Utz","Yue Wang","Kilian Weishaupt","Kai Wendel","Roman Winter","Hanchuan Wu" ], "authors": [ {"first" : "Ivan", "last" : "Buntic"}, {"first" : "Edward", "last" : "Coltman"}, {"first" : "Bernd", "last" : "Flemisch"}, {"first" : "Tufan", "last" : "Ghosh"}, {"first" : "Dennis", "last" : "Gläser"}, {"first" : "Christoph", "last" : "Grüninger"}, {"first" : "Johannes", "last" : "Hommel"}, {"first" : "Leon", "last" : "Keim"}, {"first" : "Mathis", "last" : "Kelm"}, {"first" : "Timo", "last" : "Koch"}, {"first" : "Anna Mareike", "last" : "Kostelecky"}, {"first" : "Melanie", "last" : "Lipp"}, {"first" : "Hamza", "last" : "Oukili"}, {"first" : "Martin", "last" : "Schneider"}, {"first" : "Martin", "last" : "Utz"}, {"first" : "Yue", "last" : "Wang"}, {"first" : "Kilian", "last" : "Weishaupt"}, {"first" : "Kai", "last" : "Wendel"}, {"first" : "Roman", "last" : "Winter"}, {"first" : "Hanchuan", "last" : "Wu"} ], "bemerkung" : "gehoert zu Software", "doi" : "10.18419/DARUS-3788", "bibtexKey": "https://doi.org/10.18419/darus-3788" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/266d5dc0079fa9dbeec491abdae468725/testusersimtech", "tags" : [ "EXC2075","PN5","PN5-2A","misc" ], "intraHash" : "66d5dc0079fa9dbeec491abdae468725", "interHash" : "9e8d61457a3d9f309e10f8b47f189f19", "label" : "Development of efficient multiscale multiphysics models accounting for reversible flow at various subsurface energy storage sites", "user" : "testusersimtech", "description" : "", "date" : "2024-10-07 09:24:07", "changeDate" : "2024-10-07 09:24:07", "count" : 7, "pub-type": "misc", "publisher":"Universität Stuttgart", "year": "2021", "url": "http://elib.uni-stuttgart.de/handle/11682/11770", "author": [ "Beatrix Becker" ], "authors": [ {"first" : "Beatrix", "last" : "Becker"} ], "copyright" : "info:eu-repo/semantics/openAccess", "doi" : "10.18419/OPUS-11753", "bibtexKey": "https://doi.org/10.18419/opus-11753" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/29dc881e873154c0b560bf82ae6ebaf81/testusersimtech", "tags" : [ "EXC2075","PN5","PN5-8","selected" ], "intraHash" : "9dc881e873154c0b560bf82ae6ebaf81", "interHash" : "beb341f7b4205b62474ed340f3935318", "label" : "Approximation of a two-dimensional Gross\u2013Pitaevskii \nequation with a periodic potential in the tight-binding limit", "user" : "testusersimtech", "description" : "", "date" : "2024-09-16 14:37:42", "changeDate" : "2024-09-16 14:37:42", "count" : 7, "pub-type": "article", "journal": "Mathematische Nachrichten", "year": "2024", "url": "https://onlinelibrary.wiley.com/doi/abs/10.1002/mana.202300322", "author": [ "Steffen Gilg","Guido Schneider" ], "authors": [ {"first" : "Steffen", "last" : "Gilg"}, {"first" : "Guido", "last" : "Schneider"} ], "volume": "n/a","number": "n/a","abstract": "Abstract The Gross\u2013Pitaevskii (GP) equation is a model for \nthe description of the dynamics of Bose\u2013Einstein condensates. Here, we \nconsider the GP equation in a two-dimensional setting with an external \nperiodic potential in the x\\$x\\$-direction and a harmonic oscillator \npotential in the y\\$y\\$-direction in the so-called tight-binding limit. \nWe prove error estimates which show that in this limit the original \nsystem can be approximated by a discrete nonlinear Schrödinger equation. \nThe paper is a first attempt to generalize the results from [19] \nobtained in the one-dimensional setting to higher space dimensions and \nmore general interaction potentials. Such a generalization is a \nnon-trivial task due to the oscillations in the external periodic \npotential which become singular in the tight-binding limit and cause \nsome irregularity of the solutions which are harder to handle in higher \nspace dimensions. To overcome these difficulties, we work in anisotropic \nSobolev spaces. Moreover, additional non-resonance conditions have to be \nsatisfied in the two-dimensional case.", "eprint" : "https://onlinelibrary.wiley.com/doi/pdf/10.1002/mana.202300322", "doi" : "https://doi.org/10.1002/mana.202300322", "bibtexKey": "https://doi.org/10.1002/mana.202300322" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2e173c42fdae79417ec6182c6c24193db/testusersimtech", "tags" : [ "EXC2075","PN5","PN5-8","selected" ], "intraHash" : "e173c42fdae79417ec6182c6c24193db", "interHash" : "cd24607c1fa3c3193a99319d3795d467", "label" : "The amplitude system for a simultaneous short-wave Turing and long-wave Hopf instability", "user" : "testusersimtech", "description" : "", "date" : "2024-09-16 14:37:42", "changeDate" : "2024-09-16 14:37:42", "count" : 8, "pub-type": "article", "journal": "Discrete Contin. Dyn. Syst. Ser. S", "year": "2022", "url": "https://doi.org/10.3934/dcdss.2021119", "author": [ "Guido Schneider","Matthias Winter" ], "authors": [ {"first" : "Guido", "last" : "Schneider"}, {"first" : "Matthias", "last" : "Winter"} ], "volume": "15","number": "9","pages": "2657--2672", "mrclass" : "35K57 (35B32 35B36 35B45)", "fjournal" : "Discrete and Continuous Dynamical Systems. Series S", "mrnumber" : "4459640", "issn" : "1937-1632", "doi" : "10.3934/dcdss.2021119", "bibtexKey": "MR4459640" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2cb6609bdc20dd5aac5a9d19e38f477ff/testusersimtech", "tags" : [ "EXC2075","PN5","PN5-8","selected" ], "intraHash" : "cb6609bdc20dd5aac5a9d19e38f477ff", "interHash" : "4429554d7e16396169e50983c7013b68", "label" : "Pattern formation in 2D stochastic anisotropic Swift-Hohenberg equation", "user" : "testusersimtech", "description" : "", "date" : "2024-09-16 14:37:42", "changeDate" : "2024-09-16 14:37:42", "count" : 7, "pub-type": "article", "journal": "Interdiscip. Inform. Sci.", "year": "2023", "url": "https://doi.org/10.4036/iis.2023.a.03", "author": [ "Reika Fukuizumi","Yueyuan Gao","Guido Schneider","Motomitsu Takahashi" ], "authors": [ {"first" : "Reika", "last" : "Fukuizumi"}, {"first" : "Yueyuan", "last" : "Gao"}, {"first" : "Guido", "last" : "Schneider"}, {"first" : "Motomitsu", "last" : "Takahashi"} ], "volume": "29","number": "1","pages": "81--98", "mrclass" : "35R60", "fjournal" : "Interdisciplinary Information Sciences", "mrnumber" : "4563986", "issn" : "1340-9050,1347-6157", "doi" : "10.4036/iis.2023.a.03", "bibtexKey": "MR4563986" } ] }