MediaPermeabilityPore-scaleAdsorptionNatural porousConducting polymersDepositionContaminant transportMediumProcessesSoluteIonicNanostructuresNanoparticlesFlowMaterialsFlowsAquiferSimulationReactive transport modelsNumericalEnvironmentsMass TransportCharacterizeMicrofluidicBiofilmEquationsModelExperimentsPhenomenaPetroleumStructuralPropertiesCharacterizationElectronChemical reactionContaminantsMathematicalResearchCarbon
Media50
- Reactive transport modeling in porous media refers to the creation of computer models integrating chemical reaction with transport of fluids through the Earth's crust. (wikipedia.org)
- Long-term deep bed filtration in porous media with size exclusion particle capture mechanism is studied. (projecteuclid.org)
- For monodispersed suspension and transport in porous media with distributed pore sizes, the microstochastic model allows for upscaling and the exact solution is derived for the obtained macroscale equation system. (projecteuclid.org)
- Z. You, P. Bedrikovetsky, L. Kuzmina "Exact Solution for Long-Term Size Exclusion Suspension-Colloidal Transport in Porous Media," Abstract and Applied Analysis, Abstr. (projecteuclid.org)
- In this work, we address this limitation with a general multiscale deep learning model that is able to learn from porous media simulation data. (springer.com)
- Strongly overpressured elastic porous media that possess such a permeability relationship are predicted from theory to generate solitary waves, which have the potential to transport pore fluids at rates much greater than expected from conventional Darcian mechanics. (confex.com)
- Due to the considerable computational demands of modeling solute transport in heterogeneous porous media, there is a need for upscaled models that do not require explicit resolution of the small-scale heterogeneity. (iwaponline.com)
- This multiscale strategy will provide a comprehensive framework of adsorption/transport in porous media to allow the design of optimal samples for a given application based on parameters accessible from simple experiments. (anr.fr)
- Z. Chen and X. Yue, Numerical homogenization of well singularities in the flow transport through heterogeneous porous media. (esaim-m2an.org)
- L.J. Durlofsky, Numerical-calculation of equivalent grid block permeability tensors for heterogeous porous media. (esaim-m2an.org)
- T.Y. Hou and X.H. Wu, A multiscale finite element method for elliptic problems in composite materials and porous media. (esaim-m2an.org)
- Image processing of 3D tomographic images to extract structural information of porous materials has become extremely important in porous media research with the commoditization of x-ray tomography equipment to the lab scale. (uwaterloo.ca)
- Extracted pore networks from images using image analysis techniques enable transport properties calculation for bigger domains at a low computational cost, allowing pore-scale investigation of porous media over meaningful macroscopic length scales. (uwaterloo.ca)
- The purpose of this current research was to characterize the long-term transport behavior of aluminum oxide nanoparticles (Al 2 O 3 ) through a natural porous media with changes in pH, aqueous-phase concentration, pore-water velocity and electrolyte valence. (pdx.edu)
- Benchtop column laboratory experiments showed that, under environmentally relevant groundwater conditions, Al 2 O 3 nanoparticles are mobile through saturated porous media. (pdx.edu)
- Mobility increased under conditions in which the nanoparticles and porous media were of like charge (pH 9). (pdx.edu)
- This current research has shown that nanocolloids associated with biosolids, specifically Al 2 O 3 , are mobile through saturated porous media. (pdx.edu)
- She also teaches fluid mechanics (porous media flow) to 3rd year undergraduate students, environmental engineering to 4th year students, enhanced oil recovery to students on the MSc and MEng programmes in Petroleum Engineering. (abdn.ac.uk)
- Multi-phase flow in porous media. (abdn.ac.uk)
- For example, plumes are between 1.3 and 19 times wider than in associated porous media only scenarios, and medium-sized PFFs in moderately permeable matrices can reduce the maximum solute concentration by up to 10 4 times. (edu.au)
- In this study, a porous media reactor colonized with a mixed-species drinking water biofilm was used to study the capture of Salmonella typhimurium as a model pathogen. (montana.edu)
- This study demonstrates that using biofilm colonized porous media may be an effective tool to capture pathogens for monitoring drinking water distribution systems. (montana.edu)
- At barrier interfaces, chemical and thermal gradients promote mineral precipitation reactions, reducing the porosity and potentially leading to clogging of diffusion-controlled porous media [1]. (dggv.de)
- Recent experiments and pore-scale modelling investigations conducted to benchmark continuum-scale reactive transport models revealed the deficiency of conventional and revised porosity-diffusivity relationships based on Archie's law to account for changes in effective diffusivity of evolving porous media [1-2]. (dggv.de)
- The book essentials of multiphase flow and transport in porous media 2008 went a State, he therefore with the Testament. (belker-net.de)
- ;Newsarchiv completely Die some patients of the book essentials of multiphase flow and transport in porous media between late questions. (belker-net.de)
- Antioch seemed on both a pure book essentials of multiphase flow and transport in porous media 2008 and the Jewish area of exact treatment. (belker-net.de)
- The book essentials of multiphase flow and transport in porous media of Antioch went on the Common country of the few journal. (belker-net.de)
- Some difficult Approaches of this book essentials of multiphase flow and transport in porous media of series called: Lucian, Diodorus of Tarsus, Theodore of Mopsuestia, and John Chrysostom. (belker-net.de)
- Clearly in these scenarios the shape of the porous media or the ionic channel is crucial in determining the transport properties of the electrolyte, or viceversa, for every channel shape it is possible to identify an optimal protocol that maximizes the transport. (uni-stuttgart.de)
- This project will develop new experimental techniques and mathematical models to generate a fundamental understanding of microswimmer transport and collective behavior in porous media. (grantome.com)
- Second, how do cell-cell interactions guide collective behavior in porous media? (grantome.com)
- Meanwhile, the extent of transport inhibition by ionic strength depended on the type of porous media, that is, greater mobility of petroleum colloids could be found in sand rather than in soil at the same ionic strength. (uni-bayreuth.de)
- This research investigated the applicability of a luminol-based chemiluminescence assay to monitor transport of horseradish peroxidase (HRP) enzyme in saturated porous media. (k-state.edu)
- Modification of porous media caused by the deposition of phenol polymerization products was studied and the impact of media modification on subsequent transport of phenolic contaminants was evaluated using 2,4-dichlorophenol (2,4-DCP) as a probe solute. (k-state.edu)
- The pore volume of the porous media was reduced due to the deposition of insoluble phenolic oligomers. (k-state.edu)
- The transport behavior of 2,4-DCP showed that the contaminant was retarded in the modified porous media. (k-state.edu)
- We discuss the numerical modeling of heat and water transport in unsaturated-saturated porous media with heat exchange between the infiltrated water and porous media matrix. (iaras.org)
- 1303, [8] J. Kaˇcur , J. Minár: A benchmark solution for infiltration and adsorption of polluted water into unsaturated-saturated porous media, Transport in porous media, vol. 97, (2013), p. 223-239. (iaras.org)
- Primal discontinuous Galerkin (DG) methods are formulated to solve the transport equations for modeling migration and survival of viruses with kinetic and equilibrium adsorption in porous media. (edu.sa)
- Sun, S & Wheeler, MF 2007, ' Discontinuous Galerkin methods for simulating bioreactive transport of viruses in porous media ', Advances in Water Resources , vol. 30, no. 6-7, pp. 1696-1710. (edu.sa)
- A stochastic model for one-dimensional virus transport in homogeneous, saturated, semi-infinite porous media is developed. (tuc.gr)
- Yu and Wu used electrical resistivity tomography (ERT) data to obtain the heterogeneous distribution of hydraulic conductivity in porous media [ 10 ]. (hindawi.com)
- N. S. Bakhvalov and G. Panasenko, Homogenisation: Averaging Processes in Porous Media Periodic , Springer, 1989. (aimsciences.org)
- Essentials of multiphase flow and transport in porous media / by George Francis Pinder. (iitbbs.ac.in)
- To demonstrate its capability to simulate multiphase flow in porous media, the derived model is verified against the analytical Buckley-Leverett solution for immiscible Newtonian two-phase flow. (ornl.gov)
- Furthermore, the non-Newtonian two-phase fluid flow in porous media is verified by simulating the polymer flood process involving an immiscible displacement of a Newtonian fluid by a non-Newtonian fluid against a generalized solution. (ornl.gov)
- Some key issues regarding how these nanostructured porous media improve the performance of EBFCs are also discussed. (bvsalud.org)
- After the initial introductions of the concepts the compendium continues with dispersion in porous media, transport in porous media and bioreaction engineering. (lu.se)
- Because of the need to provide short-term or real-time estimates of worker respirable dust exposure, porous foam may be a viable classification media for a low flow rate, disposable respirable dust sampler for use in the coal mining industry. (cdc.gov)
Permeability1
- The permeability of complex porous materials is of interest to many engineering disciplines. (springer.com)
Pore-scale2
- Our innovative combination of microfluidic experiments and pore-scale modelling opens new possibilities to validate and identify relevant pore-scale processes and provides data for upscaling approaches to derive key relationships for continuum-scale reactive transport simulations. (dggv.de)
- First, how is single-cell motility altered by pore-scale confinement - specifically, how does motility depend on the properties of the cells and of the porous medium? (grantome.com)
Adsorption2
- Existing design approaches, even when based on physical foundations, are limited to empirical parameters that cannot be derived from molecular adsorption/transport coefficients. (anr.fr)
- This project aims to develop a bottom-up model of adsorption and transport in multiscale porous materials by coupling experiment, molecular simulation and theory. (anr.fr)
Natural porous1
- moreover, it is of fundamental scientific value - as a fluid flow within a natural porous medium. (cam.ac.uk)
Conducting polymers1
- Currently we are focusing on understanding its impact on charge transport in conducting polymers, and on morphology and performance of polymer-based photovoltaics. (cmu.edu)
Deposition2
- A two-dimensional numerical model of the formation of the Eugene Island field incorporating the deposition and compaction of its sediments, the generation of oil and methane from kerogen, the transport of heat, and the flow and pressure evolution of oil, water, and gas indicated pore pressure in the source sediments to increase at an average rate of 30 Pa/yr. (confex.com)
- Also, a two-site transport model was used to fit the transport data to gain further insights on deposition mechanisms. (uni-bayreuth.de)
Contaminant transport2
- Early studies developed the theoretical basis of reactive transport models, and the numerical tools necessary to solve them, and applied them to problems of reactive contaminant transport and flow through reacting hydrothermal systems. (wikipedia.org)
- 7] D. Constales, J. Kaˇcur, B. Malengier: A precise numerical scheme for contaminant transport in dual-well flow. (iaras.org)
Medium10
- Nevertheless, reactive transport models should be able to predict the outcome for the particular representation of the porous medium used in the model. (minsocam.org)
- Fluid suspensions of motile microswimmers such as bacteria and active colloids are often observed in porous environments, but the complexity of the medium geometry and its effect on particle dynamics makes the study of their transport properties challenging. (aps.org)
- The particles are modeled as point-sized active Brownian particles swimming through the interstices of a fluid-saturated porous medium composed of randomly distributed polydisperse solid inclusions. (aps.org)
- Our simulations reveal how the swimmer activity, together with geometrical properties of the surrounding medium, affect statistics of swimmer distributions, orientations and long-time transport. (aps.org)
- The transport of liquids in softwood: timber as a model porous medium. (cam.ac.uk)
- By connecting cellular properties, porous medium properties, and motility/collective behavior, this work will generate knowledge to enable prediction and control over bacterial transport and organization. (grantome.com)
- A closed form analytical solution is obtained by the method of small perturbation or first-order approximation for a semi-infinite porous medium with a flux-type inlet boundary condition. (tuc.gr)
- A. Bourgeat , E. Marušić-Paloka and A. Mikelić , Effective Fluid Flow in a Porous Medium Containing a Thin Fissure, Asymptotic Analysis , 11 (1995), 241-262. (aimsciences.org)
- A general state-based peridynamics model for multiphase, multicomponent flow of non-Newtonian and compressible fluids is developed to simulate transport of fluids in an arbitrary heterogeneous porous medium. (ornl.gov)
- The paper is a study on the peristaltic transport of a magnetohydrodynamic fluid in an asymmetric tapered channel with porous medium. (ijsr.net)
Processes7
- In many cases the processes simulated in reactive transport models are highly related. (wikipedia.org)
- Below are many of the physical and chemical processes which can be simulated with reactive transport models. (wikipedia.org)
- A wide variety of geochemical processes including such diverse phenomena as the transport of radiogenic and toxic waste products, diagenesis, hydrothermal ore deposit formation, and metamorphism are the result of reactive transport in the subsurface. (minsocam.org)
- The evolution of these systems involves diverse processes including fluid flow, chemical reaction, and solute transport, each with differing characteristic time scales. (minsocam.org)
- The efficient 'dual network' algorithm is written in PYTHON using open source tools and provides a new way to study critical processes that depend on transport in both void and solid phase such as catalytic reactors and electrochemical systems. (uwaterloo.ca)
- Pre-asymptotic regimes for reactive transport and mixing limited processes. (frontiersin.org)
- Here our primary goal is to reach the better understanding of the impact of nanoscale morphology on charge separation and transport processes in regioregular poly(3-alkylthiophenes) (rr-P3ATs) and their derivatives and in organic photovoltaic blends. (cmu.edu)
Solute4
- This study investigates the development of upscaled solute transport models using genetic programming (GP), a domain-independent modeling tool that searches the space of mathematical equations for one or more equations that describe a set of training data. (iwaponline.com)
- A case study is performed that demonstrates this methodology by developing vertically averaged equations of solute transport in perfectly stratified aquifers. (iwaponline.com)
- This case study not only demonstrates the use and efficacy of GP as a tool for developing upscaled solute transport models, but it also provides insight into how to approach more realistic multi-dimensional problems with this methodology. (iwaponline.com)
- It provides real seepage characteristics of groundwater movement and solute transport [ 14 , 15 ], as well as approximate aquifer models. (hindawi.com)
Ionic2
- Transport of emerging pollutants of concern through the soil column, at minimum, is impacted by colloidal properties (e.g. chemical composition, shape, aggregation kinetics), solution chemistry (e.g. pH, ionic strength, natural organic matter), and water flow velocity. (pdx.edu)
- We found that transport of petroleum colloids was inhibited with increasing the ionic strength or decreasing the pH. (uni-bayreuth.de)
Nanostructures2
- The development of nanostructures improves energy efficiency and selectivity for value-added chemicals, but complex nanostructures limit the CO 2 conversion rates due to poor mass transport during vigorous electrolysis. (elsevierpure.com)
- Enzymatic Biofuel Cells on Porous Nanostructures. (bvsalud.org)
Nanoparticles1
- Then, TiO 2 nanoparticles are deposited on the surface of a porous carbon skeleton to form an electron transport layer of a perovskite solar cell with the structure of FTO/ZIF-8-derived porous carbon layer/TiO 2 /perovskite/spiro-OMeTAD/Au. (figshare.com)
Flow11
- Heat transport greatly affects the viscosity of water and its ability to flow. (wikipedia.org)
- This volume focuses on methods to describe the extent and consequences of reactive flow and transport in natural subsurface systems. (minsocam.org)
- Because of these uncertainties, it remains an open question as to what extent numerical models of groundwater flow and reactive transport wilI be useful in making accurate quantitative predictions. (minsocam.org)
- We also study the effects of an imposed pressure-driven Stokes flow through the porous matrix, where we elucidate the role of advection and local shear-induced reorientations on microswimmer dynamics. (aps.org)
- At Aberdeen Dr Tanino leads the Subsurface Flow and Transport Laboratory located in the School of Engineering, and currently supervises/co-supervises 5 postgraduate research students with colleagues in the School of Engineering, the School of Biological Sciences, and the Department of Chemistry. (abdn.ac.uk)
- Manager, Subsurface Flow and Transport Laboratory (FN036). (abdn.ac.uk)
- IMATE From January to April the book essentials of multiphase flow and transport of the perspective does chronic and uneasy. (belker-net.de)
- The familiar book essentials of multiphase flow and transport in porous interprets Gay Question, called with Prophets. (belker-net.de)
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Materials8
- In the last few decades, micro-tomographic imaging in conjunction with direct numerical simulations (digital rock technologies) have been developed extensively to act as a complementary tool for laboratory measurements of porous materials (Schepp et al. (springer.com)
- The present study reports a pore network extraction algorithm to simultaneously extract void and solid networks from tomographic images of porous materials using simple image analysis techniques. (uwaterloo.ca)
- Given the ubiquity of nanocolloidal materials, particularly engineered nanomaterials, coupled with the expected increase in land-application of biosolids, a clear understanding of their transport and fate is prudent to understanding the potential impact these emerging pollutants may have on our surface and groundwater bodies. (pdx.edu)
- 1-5 After their nanostructure is fixed through chemical crosslinking, these materials are converted into porous nanocarbons with morphology resembling that of the starting material. (cmu.edu)
- The free gas molecules dispersed in porous materials have unique, sharp absorptive signatures, typically ten thousand times narrower than the spectral features of the bulk material. (lu.se)
- New opportunities for non-destructive studies of gas in highly scattering, natural and man-made porous materials are provided by the GASMAS technique. (lu.se)
- This kind of measurement may be of fundamental interest in the understanding of light transport in inhomogeneous porous materials. (lu.se)
- When exposed to a spark or an open flame, pure oxygen can significantly speed up the combustion of porous materials such as clothing, textiles, and rubber. (lu.se)
Flows1
- Dr Tanino's research interests are in the fluid dynamics of, and mass transport in, obstructed flows such as those found in geological reservoirs, flood plains, and subsea wells. (abdn.ac.uk)
Aquifer1
- By adopting the reference frame of a packet of fluid and treating reaction progress as travel time (or distance along a flowpath), however, a batch reaction path model could be thought of as describing advective transport through an aquifer. (wikipedia.org)
Simulation1
- In particular, the simulation convergence time scales poorly as the simulation domains become less porous or more heterogeneous. (springer.com)
Reactive transport models4
- The most sophisticated multi-component reactive transport models consider both reaction and transport. (wikipedia.org)
- Reactive transport models have found increased application in recent years with improvements in the power of personal computers and modeling software. (wikipedia.org)
- Reactive transport models couple a large number chemical reactions with mass transport. (wikipedia.org)
- Taking advantage of this increase of computational power, numerous comprehensive reactive transport models have been developed and applied to natural phenomena. (minsocam.org)
Numerical1
- Numerical results suggest that DG can treat bioreactive transport of viruses over a wide range of modeling parameters, including both advection- and dispersion-dominated problems. (edu.sa)
Environments3
- When applied to the study of contaminants in the environments, they are known as fate and transport models. (wikipedia.org)
- This CAREER award will investigate how bacteria move in porous environments such as tissue, gels, soils, and sediment. (grantome.com)
- The investigators will use 3D printing to fabricate porous environments with controlled pore structures, and they will use microscopy to observe how the bacteria move. (grantome.com)
Mass Transport4
- Hydrologists primarily concerned with the physical nature of mass transport assumed relatively simple reaction formulations, such as linear distribution coefficients or linear decay terms, which could be added to the advection-dispersion equation. (wikipedia.org)
- Turbulence and mass transport in random cylinder arrays. (abdn.ac.uk)
- The interconnected macropores and nanopores enable efficient mass transport and large active areas, respectively. (elsevierpure.com)
- Porous matrices from carbon , noble metals , and polymers promote the development of EBFCs through the electron transfer and mass transport benefits. (bvsalud.org)
Characterize1
- The in vivo use of MRI to characterize EABs in porous electrodes has not been reported yet. (uni-bremen.de)
Microfluidic1
- As the 2D microfluidic pore network became clogged, the transport of deuterium through the evolving microporosity of the precipitated celestine was visualized by Raman imaging, demonstrating the dynamic nature of porosity clogging. (dggv.de)
Biofilm4
- On the other hand, the biofilm limits the diffusive transport of nutrients and reaction products. (uni-bremen.de)
- In current research, porous electrodes are developed considering the biofilm density, its metabolism and the occurring transport phenomena. (uni-bremen.de)
- Direct and spatially resolved measurement of parameters such as biofilm density or diffusion coefficients are essential to improve the existing models and evaluate the effectiveness of the porous electrodes. (uni-bremen.de)
- Electroactive biofilm structure, diffusive and convective transport, and concentration gradients can be determined non-invasively with an accuracy down to a few micrometers. (uni-bremen.de)
Equations1
- Combining results for free and attached virus concentrations, we establish optimal a priori error estimates for the coupled partial and ordinary differential equations of virus transport. (edu.sa)
Model2
- This model for oil transport by solitary waves could be more important in fields where hydrocarbon source sediments and reservoirs are separated by less than one kilometer. (confex.com)
- Combining kinetics and surface complexation modeling, we present a new transport model to account for the stepwise polymerization of Si on goethite and NA transport. (hal.science)
Experiments3
- Batch and column experiments were performed to evaluate the responses of attachment and transport of petroleum colloids to the changes in solution chemistry conditions. (uni-bayreuth.de)
- Using dynamic column experiments, we revealed the controls of Si loadings on goethite (α-FeOOH) coated sands on the transport of a widely used quinolone antibiotic, here focusing on Nalidixic Acid (NA). (hal.science)
- In our experiments, the porous samples were flushed with nitrogen and the successive penetration of the atmospheric oxygen from the surrounding air was studied. (lu.se)
Phenomena1
- In addition, it is shown that DG can sharply capture local phenomena of virus transport with dynamic mesh adaptation. (edu.sa)
Petroleum1
- These findings from this research are helpful to understand the transport and fate of petroleum colloids in subsurface systems. (uni-bayreuth.de)
Structural1
- Both structural and transport properties of wood depend on its micro-structure but, while a substantial body of research relates the structural performance of wood to its detailed architecture, no such knowledge exists for the transport properties. (cam.ac.uk)
Properties2
- structure-transport properties relationships in semiconducting polymers and organic photovoltaics, and nanostructured polymer networks. (cmu.edu)
- Provides information on the explosibility and ignitability properties of dust clouds that can be used to improve safety in industries that generate, process, use, or transport combustible dusts. (cdc.gov)
Characterization1
- In this project, magnetic resonance imaging (MRI) is applied for the characterization of electroactive biofilms in porous electrodes. (uni-bremen.de)
Electron2
- To improve electron transport rate of perovskite solar cells, a ZIF-8-derived porous carbon skeleton layer is prepared by carbonizing the ZIF-8 thin film on conducting glass as the electron transport skeleton of a perovskite solar cell. (figshare.com)
- Because of the good conductivity of the ZIF-8-derived porous carbon skeleton, the photogenerated electron transport rate of the perovskite solar cell is increased. (figshare.com)
Chemical reaction1
- water nanofluid) impinging a flat porous plate under the effects of a non-uniform magnetic field and chemical reaction with variable reaction rate. (deepdyve.com)
Contaminants3
- The use of calcium chloride electrolyte solution in transport studies resulted in enhanced mobility relative to potassium chloride suggesting that changes in groundwater solution chemistry could impact mobility of contaminants associated with biosolids. (pdx.edu)
- Drinking water distribution systems pose the potential to transport biological and chemical contaminants to the consumers' tap that can be responsible for widespread waterborne disease outbreaks (WBDO). (montana.edu)
- Although silicates are the most common anions in aquatic systems, little is known on the roles they play on the transport of emerging contaminants, such as antibiotics. (hal.science)
Mathematical1
- Because these distinct disciplines have evolved largely independently of one another, their respective treatments of reactive transport in the Earth Sciences are based on different terminologies, assumptions, and levels of mathematical rigor. (minsocam.org)
Research1
- The field of reactive transport within the Earth Sciences is a highly multidisciplinary area of research. (minsocam.org)
Carbon1
- At the same time, the porous structure of the ZIF-8-derived carbon layer increases the contact area between the perovskite layer and the TiO 2 layer to favor separation of photogenerated charges. (figshare.com)