Relevant bibliographies by topics / Reactive porous flow

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Reactive porous flow'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Reactive porous flow"

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Song, Wen, Folake Ogunbanwo, Marianne Steinsbø, Martin A. Fernø, and Anthony R. Kovscek. "Mechanisms of multiphase reactive flow using biogenically calcite-functionalized micromodels." Lab on a Chip 18, no. 24 (2018): 3881–91. http://dx.doi.org/10.1039/c8lc00793d.

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VERDON, JAMES, and ANDREW W. WOODS. "Gravity-driven reacting flows in a confined porous aquifer." Journal of Fluid Mechanics 588 (September 24, 2007): 29–41. http://dx.doi.org/10.1017/s0022112007007069.

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We develop a model for the dynamics of a reactive gravity-driven flow in a porous layer of finite depth, accounting for the change in permeability and density across the dissolution front. We identify that the two controlling parameters are the mobility ratio across the reaction front and the ratio of the buoyancy-driven flow to the fluid injection rate. We present some numerical solutions for the evolution of a two-dimensional dissolution front, and develop an approximate analytic solution for the limit of large injection rate compared to the buoyancy-driven flow. The model predictions are compared with some new analogue laboratory experiments in which fresh water displaces a saturated aqueous solution initially confined within a two-dimensional reactive permeable matrix composed of salt powder and glass ballotini. We also present self-similar solutions for an axisymmetric gravity-driven reactive current moving through a porous layer of finite depth. The solutions illustrate how the reaction front becomes progressively wider as the ratio of the buoyancy-driven flow to the injection rate increases, and also as the mobility contrast across the front increases.
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Rajesh, G., R. B. Bhagat, and K. A. Fichthorn. "Reactive Flow in a Porous Medium: Formulation for Spatially Periodic Hexagonally Packed Cylinders." Journal of Applied Mechanics 67, no. 4 (1999): 749–57. http://dx.doi.org/10.1115/1.1312803.

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This study develops an integrated micro-macro model of reactive flow in a porous medium consisting of spatially periodic hexagonal array of solid reacting cylinders. The micro model describes the growth of reaction product on the solid reactant surface. The macro flow of the infiltrant fluid is described by Darcy’s law. The transient permeability and thus advancement of the infiltration front are determined as a function of process parameters from the micro model. Crucial process parameters that influence the advance of the fluid front are identified. The results from this investigation can be used to optimize the manufacture of ceramic-matrix composites. [S0021-8936(00)02703-3]
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Liu, Honggao, and Karsten E. Thompson. "Numerical modeling of reactive polymer flow in porous media." Computers & Chemical Engineering 26, no. 11 (2002): 1595–610. http://dx.doi.org/10.1016/s0098-1354(02)00130-8.

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Andersen, P. Ø., and S. Evje. "A model for reactive flow in fractured porous media." Chemical Engineering Science 145 (May 2016): 196–213. http://dx.doi.org/10.1016/j.ces.2016.02.008.

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Yuan, Q., and J. Azaiez. "Cyclic time-dependent reactive flow displacements in porous media." Chemical Engineering Science 109 (April 2014): 136–46. http://dx.doi.org/10.1016/j.ces.2014.02.003.

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TAN, KAI-XUAN, QING-LIANG WANG, ZE-HUA LIU, and E.-MING HU. "NONLINEAR DYNAMICS OF FLOW-REACTION COUPLING IN POROUS MEDIA AND APPLICATION TO IN SITU LEACHING URANIUM MINING." International Journal of Modern Physics B 18, no. 17n19 (2004): 2663–68. http://dx.doi.org/10.1142/s0217979204025877.

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When a reactive fluid flows through a porous rock it can dissolve some minerals and increase the porosity and permeability. The positive feedback between fluid flow and mineral dissolution can lead to the complexity of the propagation of dissolution front and the formation of finger flow-focusing reaction area. As an example for in situ leaching Uranium mining, the simulation results indicate that the propagation of dissolution front is complex such as finger and more complicated reaction front morphologies. The nonlinearity of flow-reaction coupling and instability of dissolution front morphologies can lead to unleaching area and affect the rate of recovery of mineral resource.
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Iliev, Oleg, Zahra Lakdawala, Katherine H. L. Neßler, et al. "ON THE PORE-SCALE MODELING AND SIMULATION OF REACTIVE TRANSPORT IN 3D GEOMETRIES." Mathematical Modelling and Analysis 22, no. 5 (2017): 671–94. http://dx.doi.org/10.3846/13926292.2017.1356759.

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Pore-scale modeling and simulation of reactive flow in porous media has a range of diverse applications, and poses a number of research challenges. It is known that the morphology of a porous medium has significant influence on the local flow rate, which can have a substantial impact on the rate of chemical reactions. While there are a large number of papers and software tools dedicated to simulating either fluid flow in 3D computerized tomography (CT) images or reactive flow using porenetwork models, little attention to date has been focused on the pore-scale simulation of sorptive transport in 3D CT images, which is the specific focus of this paper. Here we first present an algorithm for the simulation of such reactive flows directly on images, which is implemented in a sophisticated software package. We then use this software to present numerical results in two resolved geometries, illustrating the importance of pore-scale simulation and the flexibility of our software package.
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Awartani, Marwan, and M. H. Hamdan. "Non-reactive gas-particulate models of flow through porous media." Applied Mathematics and Computation 100, no. 1 (1999): 93–102. http://dx.doi.org/10.1016/s0096-3003(98)00013-7.

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Renard, F., J. P. Gratier, P. Ortoleva, E. Brosse, and B. Bazin. "Self-organization during reactive fluid flow in a porous medium." Geophysical Research Letters 25, no. 3 (1998): 385–88. http://dx.doi.org/10.1029/97gl03781.

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Dissertations / Theses on the topic "Reactive porous flow"

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Olad, Peyman. "Reactive-Di usive Flow Inside Porous Medium." Thesis, KTH, Mekanik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-170776.

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Understanding the reactive-di usive turbulent ow inside porous media is interesting in many applications. It could have geochemical applications such as describing the rock dissolution patterns in river beds or the e ect of riparian zones in nitrate attenuation. Other applications could be, e.g. ow over and through vegetation, porous heat exchangers such as metal foams, gas and oil industry, etc. A limited number of studies have been carried out to understand the turbulent ow regime over a porous medium. This might be due to the fact that Darcy's law cannot be applied to turbulent ows. Therefore, the turbulent ow inside/above porous media needs to be done with expensive numerical simulations. This cost is much higher if one wants to solve the problem using Direct Numerical Simulation (DNS) in which the ow eld is completely and directly computed from Navier-Stokes equations. This needs much greater CPU power than other methods such as VANS(Volume-Averaged Navier-Stokes) equations or LES(Large Eddy Simulations), etc; however, solving the Navier-Stokes equation would eliminate any closure problems that appear in turbulence models, which could be considered as an advantage. Furthermore, DNS is able to detect the smallest length scales in turbulence structures which lead to highly accurate results. In addition to Navier-Stokes equations, scalar transport equation is also solved in order to model the transportation of reactive-di usive solutes. In our case, the porous medium is modeled by a packed bed of spheres and an Immersed Boundary Method (IBM) is used to apply the no-slip/no-penetration conditions on the spheres. The main objective of this work is to study how a reactive-di usive scalar is transported through porous media inspired by ows in river beds where micro-organisms and vegetation consume nutrients inside the ow besides the fact that porosity of the river beds a ect these activities as well as ow behavior.
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Amikiya, Emmanuel Adoliwine. "Flow and reactive transport processes in porous media." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/85838.

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Thesis (MSc)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: Flow and reactive transport of chemical species is a very common phenomenon that occurs in natural and artificial systems. However in this study, the topic is related to acid mine drainage in the South African mining environment. Due to the hazards associated with acid mine drainage, prevention or treatment of mine effluent water before discharging to receiving waters and other environments is a necessity. A new time-dependent mathematical model is developed for a passive treatment method, based on multi-scale modelling of the coupled physico-chemical processes such as diffusion, convection, reactions and filtration, that are involved in the treatment process. The time-dependent model is simulated on a two-dimensional domain using finite volume discretization to obtain chemical species distributions.<br>AFRIKAANSE OPSOMMING: Vloei en reagerende transport van chemiese spesies is ’n baie algemene verskynsel wat in natuurlike en kunsmatige stelsels plaasvind. In hierdie studie is die onderwerp egter verwant aan suurmyndreinering in die Suid-Afrikaanse mynbou-omgewing. As gevolg van die gevare wat verband hou met suurmyndreinering, is die voorkoming of die behandeling van die afval-mynwater voor dit in opvangswaters en ander omgewings beland ’n noodsaaklikheid. ’n Nuwe tydafhanklike wiskundige model vir ’n passiewe behandelingsmetode is ontwikkel. Dit is gebaseer op die multi-skaal modulering van gekoppelde fisies-chemiese prosesse soos diffusie, konveksie, reaksies en filtrasie, wat by die behandelingsproses betrokke is. Die tydafhanklike model word gesimuleer op ’n twee-dimensionele domein met behulp van eindige volume diskretisasie om die verspreiding van chemiese spesies te bepaal.
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Gray, Farrel. "Simulating flow and reactive transport in porous media." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/51505.

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In this work, we developed and applied computational methods for simulating flow, transport and reactive transport in porous media. This comprised four main components: single-phase flow calculation; chemical transport calculation; the coupling to reaction kinetics at mineral surfaces and resulting structural changes; and the use of parallel and GPU computing to make the calculation practicable on realistic rock geometries. Single phase flow was calculated using the Lattice Boltzmann (LB) method. We used the multi-relaxation-time (MRT) operator for its superior stability and viscosity-independence. A sparse memory approach was employed which improves the efficiency of calculations performed on low-permeability rock pore-space images. We also extended an idea proposed by Skordos in which the lattice Boltzmann densities were transformed to increase the number of floating point bits retained in the calculation. We showed that this enhances the numerical precision of the calculation considerably, where the original paper found no appreciable benefit. We showed how this now permits the 4-byte datatype to be used reliably in slow flowing, heterogeneous domains. The LB algorithm was implemented for the use of parallel GPUs (Graphics Processors) using the MPI (Message Passing Interface) and shown to give strong scaling on a cluster of 24 Tesla K40 GPUs. A study of single phase permeability on micro-CT images of sandstone and carbonate rock pore structures of varying degrees of heterogeneity was carried out. Good agreement with experiment was found for the simpler pore spaces, while discrepancies in the micro-porous samples was attributed to two causes: 1) the exclusion of flow through unresolved micro-porosity and 2) unrepresentative sample sizes used in the simulation. The effect of image resolution and segmentation was studied by comparing single phase permeability computed in 1) scans of the same volume obtained at different voxel sizes, individually segmented and 2) numerically coarsened images from a high resolution segmented image. Numerical coarsening from a high resolution segmented image was found to be much more consistent than 1) and was shown to preserve porosity and permeability down to lower voxel size images unlike the images scanned and segmented at different voxel sizes. Finally, representative elementary volume (REV) was investigated for the rock samples. A statistical method was used in which porosity and permeability were obtained from sub-volumes sampled from the domain. The convergence of these parameters with sub-volume size was used to obtain characteristic length scales and measures of heterogeneity. The image sizes used were found to be unrepresentative for the complex microporous carbonates. Transport curves (propagators) were computed in three different porous media samples of increasing heterogeneity (a bead-pack; sandstone; and carbonate) and found to agree with experiment. Questions about the origins of stagnant transport zones in the microporous carbonate were pursued by investigating the effects of image segmentation. The effects of the image segmentation techniques, in which grey-scale micro-porosity in a scanned pore image is binarised into fluid or mineral, were quantified by computing the fraction of trapped solute (stagnant zones) for segmentations of varying porosity. Physical differences between experiment and calculation were clarified, and we suggest alternative approaches for the treatment of micro-porous rocks. A pore-scale reactive flow model was put together by coupling flow calculation and solute transport methods with changes in pore-structure through chemical kinetics. Convection and diffusion in this model was solved using a finite-volume approach: a second order transport model with a flux limiter function made the model suitable for high Peclet number transport calculations. We also proposed a method for counteracting errors associated with the staircase representation of diagonal surfaces in the Cartesian grid in which exposed grid surfaces are associated with a rescaling factor. First order reaction kinetics were included at mineral surfaces and the dissolution of a sphere was shown to give different dissolution profiles with different dimensionless transport and reaction parameters. The dissolution model was applied to the reaction between HCl acid and calcite mineral under the assumption that products of the reaction could be neglected. An experimental system in which HCl acid was injected through a flow cell containing a calcite block was simulated and the normalised volume of undissolved calcite was compared with the experimental data, as well as resulting morphologies obtained by micro-CT scanning. Good agreement with the experimental dissolution rate was obtained, however some differences in the resulting morphologies were found. This was attributed to neglecting the influence of product ions on the diffusion behaviour of the reactant and was discussed. By obtaining the concentration of H+ reactant on the surface of calcite block, the process could be concluded to be strongly transport-controlled. This enabled the definition of a new effective Damkohler number in terms of the reactant surface concentration which no longer required approximating length scales or separating convection or diffusion rates. Finally, the dissolution of a Ketton carbonate sample was computed. The injection process mirrored that of a strong acid flowing through the pore-space at a given flow rate, and having an intrinsic surface reaction rate with the rock mineral. It was found that the flow rate strongly affected the resulting dissolution pattern, in line with experimental observation. This lead to drastically altered flow properties, including single-phase permeability which was quantified.
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Petrasch, Jörg. "Multi-scale analyses of reactive flow in porous media." kostenfrei, 2007. http://e-collection.ethbib.ethz.ch/view/eth:29641.

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De, Debnath. "Reactive polymer enhanced miscible displacement in porous media /." *McMaster only, 1996.

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Graf, Thomas. "Modeling coupled thermohaline flow and reactive solute transport in discretely-fractured porous media." Thesis, Québec : Université Laval, 2005. http://www.theses.ulaval.ca/2005/23197/23197.pdf.

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Graf, Thomas. "Modeling coupled thermohaline flow and reactive solute transport in discretely-fractured porous media." Doctoral thesis, Université Laval, 2006. http://hdl.handle.net/20.500.11794/18230.

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Tableau d’honneur de la Faculté des études supérieures et postdoctorales, 2005-2006<br>Un modèle numérique tridimensionnel a été développé pour la simulation du système chimique quartz-eau couplé avec l’écoulement à densité et viscosité variable dans les milieux poreux discrètement fracturés. Le nouveau modèle simule aussi le transfert de chaleur dans les milieux poreux fracturés en supposant que l’expansion thermique du milieu est négligeable. Les propriétés du fluide, densité et viscosité, ainsi que les constantes chimiques (constant de taux de dissolution, constant d’équilibre, coefficient d’activité) sont calculées en fonction de la concentration des ions majeurs et de la température. Des paramètres de réaction et d’écoulement, comme la surface spécifique du minéral et la perméabilité sont mis jour à la fin de chaque pas de temps avec des taux de réaction explicitement calculés. Le modèle suppose que des changements de la porosite et des ouvertures de fractures n’ont pas d’impact sur l’emmagasinement spécifique. Des pas de temps adaptatifs sont utilisés pour accélérer et ralentir la simulation afin d’empêcher des résultats non physiques. Les nouveaux incréments de temps dépendent des changements maximum de la porosité et/ou de l’ouverture de fracture. Des taux de réaction au niveau temporel L+1 (schéma de pondération temporelle implicite) sont utilisés pour renouveler tous les paramètres du modèle afin de garantir la stabilité numérique. Le modèle a été vérifié avec des problèmes analytiques, numériques et physiques de l’écoulement à densité variable, transport réactif et transfert de chaleur dans les milieux poreux fracturés. La complexité de la formulation du modèle permet d’étudier des réactions chimiques et l’écoulement à densité variable d’une façon plus réaliste qu’auparavant possible. En premier lieu, cette étude adresse le phénomène de l’écoulement et du transport à densité variable dans les milieux poreux fracturés avec une seule fracture à inclinaison arbitraire. Une formulation mathématique générale du terme de flottabilité est dérivée qui tient compte de l’écoulement et du transport à densité variable dans des fractures de toute orientation. Des simulations de l’écoulement et du transport à densité variable dans une seule fracture implanté dans une matrice poreuse ont été effectuées. Les simulations montrent que l’écoulement à densité variable dans une fracture cause la convection dans la matrice poreuse et que la fracture à perméabilité élevée agit comme barrière pour la convection. Le nouveau modèle a été appliqué afin de simuler des exemples, comme le mouvement horizontal d’un panache de fluide chaud dans un milieu fracturé chimiquement réactif. Le transport thermohalin (double-diffusif) influence non seulement l’écoulement à densité variable mais aussi les réactions chimiques. L’écoulement à convection libre dépend du contraste de densité entre le fluide (panache chaud ou de l’eau salée froide) et le fluide de référence. Dans l’exemple, des contrastes de densité sont généralement faibles et des fractures n’agissent pas comme des chemins préférés mais contribuent à la dispersion transverse du panache. Des zones chaudes correspondent aux régions de dissolution de quartz tandis que dans les zones froides, la silice mobile précipite. La concentration de silice est inversement proportionnelle à la salinité dans les régions à salinité élevée et directement proportionnelle à la température dans les régions à salinité faible. Le système est le plus sensible aux inexactitudes de température. Ceci est parce que la température influence non seulement la cinétique de dissolution (équation d’Arrhenius), mais aussi la solubilité de quartz.<br>A three-dimensional numerical model is developed that couples the quartz-water chemical system with variable-density, variable-viscosity flow in fractured porous media. The new model also solves for heat transfer in fractured porous media, under the assumption of negligible thermal expansion of the rock. The fluid properties density and viscosity as well as chemistry constants (dissolution rate constant, equilibrium constant and activity coefficient) are calculated as a function of the concentrations of major ions and of temperature. Reaction and flow parameters, such as mineral surface area and permeability, are updated at the end of each time step with explicitly calculated reaction rates. The impact of porosity and aperture changes on specific storage is neglected. Adaptive time stepping is used to accelerate and slow down the simulation process in order to prevent physically unrealistic results. New time increments depend on maximum changes in matrix porosity and/or fracture aperture. Reaction rates at time level L+1 (implicit time weighting scheme) are used to renew all model parameters to ensure numerical stability. The model is verified against existing analytical, numerical and physical benchmark problems of variable-density flow, reactive solute transport and heat transfer in fractured porous media. The complexity of the model formulation allows chemical reactions and variable-density flow to be studied in a more realistic way than previously possible. The present study first addresses the phenomenon of variable-density flow and transport in fractured porous media, where a single fracture of an arbitrary incline can occur. A general mathematical formulation of the body force vector is derived, which accounts for variable-density flow and transport in fractures of any orientation. Simulations of variable-density flow and solute transport are conducted for a single fracture, embedded in a porous matrix. The simulations show that density-driven flow in the fracture causes convective flow within the porous matrix and that the highpermeability fracture acts as a barrier for convection. The new model was applied to simulate illustrative examples, such as the horizontal movement of a hot plume in a chemically reactive fractured medium. Thermohaline (double-diffusive) transport impacts both buoyancy-driven flow and chemical reactions. Free convective flow depends on the density contrast between the fluid (hot brine or cool saltwater) and the reference fluid. In the example, density contrasts are generally small and fractures do not act like preferential pathways but contribute to transverse dispersion of the plume. Hot zones correspond to areas of quartz dissolution while in cooler zones, precipitation of imported silica prevails. The silica concentration is inversely proportional to salinity in high-salinity regions and directly proportional to temperature in low-salinity regions. The system is the most sensitive to temperature inaccuracy. This is because temperature impacts both the dissolution kinetics (Arrhenius equation) and the quartz solubility.
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Hinz, Christian [Verfasser]. "Reactive flow in porous media based on numerical simulations at the pore scale / Christian Hinz." Mainz : Universitätsbibliothek Mainz, 2020. http://d-nb.info/1211963128/34.

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Nakamura, Masamichi, and Kazuhiro Yamamoto. "Simulation on Flow and Heat Transfer in Diesel Particulate Filter." ASME (American Society of Mechanical Engineers), 2011. http://hdl.handle.net/2237/19976.

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Hron, Pavel [Verfasser], and Peter [Akademischer Betreuer] Bastian. "Numerical Simulation of Multi-Phase Multi-Component Reactive Flow in Porous Media / Pavel Hron ; Betreuer: Peter Bastian." Heidelberg : Universitätsbibliothek Heidelberg, 2015. http://d-nb.info/1180500148/34.

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Books on the topic "Reactive porous flow"

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C, Lichtner Peter, Steefel Carl I, and Oelkers Eric H, eds. Reactive transport in porous media. Mineralogical Society of America, 1996.

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Serhan, Randa B. Muslim Immigration to America. Edited by Jane I. Smith and Yvonne Yazbeck Haddad. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199862634.013.021.

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Muslim immigration to America has a protracted history dating back to the first coerced West and North Africans brought on ships as part of the slave trade. Yet, the notion of Muslims as a distinguishable or coherent group arose only in the aftermath of 9/11. The Muslims of the post-9/11 era are defined as fairly recent immigrants from Southeast Asia and the Arab world. Scholarship since 9/11 has implicitly accepted this categorization, whether to make the case that Muslims have been racialized or, conversely, to assess the level of terror threat they may pose. The present chapter views this issue through a longer-range lens and a looser definition of Muslim to allow for the inclusion of the earliest migration flows (coerced and voluntary) and those who are often viewed as contested Muslims, such as the Nation of Islam. In total, six migration flows are analyzed according to Alejandro Portes and Ruben Rumbaut’s conceptualization of immigrant modes of incorporation: namely governmental reception, public reaction toward newcomers, and the preexisting community. By casting this wider net and moving away from the confines of the post-9/11 backlash, this chapter evaluates the place of Islam in the lives of those who identify or are identified as Muslims. Analyzing six major migration flows that include Muslims, it finds that Islam has been secondary to the politics of populations identified as such, whether international or domestic. The Nation of Islam was treated as suspect more because of its black nationalist undertones than its claims to Islam.Palestinians, regardless of religion, were treated as terrorists because of the Arab-Israeli war, and Southeast Asian were viewed as model minorities until 9/11 despite their strong identification with Islam. In other words, the contextual elements, especially governmental reception, have a greater influence on minorities and immigrants than religion. Currently, this has meant that American Muslims have been asked to prove their allegiance to the United States. On a positive note, there are enough educated and civically engaged American Muslims that they are able to contest the imposition of a coherent Muslim identity as alien and dangerous.
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Book chapters on the topic "Reactive porous flow"

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Chadam, John. "Reactive Flows in Porous Media: The Reaction-Infiltration Instability." In Flow in Porous Media. Birkhäuser Basel, 1993. http://dx.doi.org/10.1007/978-3-0348-8564-5_6.

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Fumagalli, Alessio, and Anna Scotti. "Reactive Flow in Fractured Porous Media." In Finite Volumes for Complex Applications IX - Methods, Theoretical Aspects, Examples. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-43651-3_4.

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Suarez, D. L., and J. Šimùnek. "Chapter 5. SOLUTE TRANSPORT MODELING UNDER VARIABLY SATURATED WATER FLOW CONDITIONS." In Reactive Transport in Porous Media, edited by Peter C. Lichtner, Carl I. Steefel, and Eric H. Oelkers. De Gruyter, 1996. http://dx.doi.org/10.1515/9781501509797-008.

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Jia, Xinfeng, Xiaohu Dong, Jinze Xu, and Zhangxin Chen. "Multiphase Fluid Flow and Reaction in Heterogeneous Porous Media for Enhanced Heavy Oil Production." In Reactive Transport Modeling. John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119060031.ch6.

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Llobera, I. Benet, C. Ayora, and J. Carrera. "RETRASO, a parallel code to model REactive TRAnsport of SOlutes." In Computational Methods for Flow and Transport in Porous Media. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-017-1114-2_13.

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Saaltink, Maarten W., Jesús Carrera, and Carlos Ayora. "A comparison of two alternatives to simulate reactive transport in groundwater." In Computational Methods for Flow and Transport in Porous Media. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-017-1114-2_19.

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Asthana, Rajiv. "Surface Phenomena in Diffusion-Limited Capillary Flow in a Reactive Porous Film." In Surface Engineering. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118788325.ch36.

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Wheeler, Mary F., Shuyu Sun, Owen Eslinger, and Béatrice Rivière. "Discontinuous Galerkin Method for Modeling Flow and Reactive Transport in Porous Media." In Analysis and Simulation of Multifield Problems. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-36527-3_3.

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Ahusborde, E., B. Amaziane, and M. El Ossmani. "Finite Volume Scheme for Coupling Two–Phase Flow with Reactive Transport in Porous Media." In Springer Proceedings in Mathematics & Statistics. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-57394-6_43.

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Padhi, Sukanya, and Itishree Nayak. "Analysis and Computation of Reactive Second-Grade Fluid Flow with Variable Viscosity Within Porous Couette Device." In Advances in Intelligent Systems and Computing. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1402-6_12.

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Conference papers on the topic "Reactive porous flow"

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Venkatraman, Ashwin, Larry W. Lake, and Russell Taylor Johns. "Gibbs Free Energy Minimization for Reactive Flow in Porous Media." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2013. http://dx.doi.org/10.2118/166448-ms.

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Békri, S., S. Renard, and F. Delprat-Jannaud. "Pore-scale Modelling to Simulate Reactive Flow in Porous Media." In Fourth EAGE CO2 Geological Storage Workshop. EAGE Publications BV, 2014. http://dx.doi.org/10.3997/2214-4609.20140084.

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Cremon, M., and M. Gerritsen. "Effects of Lumping on the Numerical Simulation of Thermal-Compositional-Reactive Flow in Porous Media." In ECMOR XVII. European Association of Geoscientists & Engineers, 2020. http://dx.doi.org/10.3997/2214-4609.202035071.

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Zhang, Ronglei, Xiaolong Yin, Yu-Shu Wu, and Philip H. Winterfeld. "A Fully Coupled Model of Nonisothermal Multiphase Flow, Solute Transport and Reactive Chemistry in Porous Media." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2012. http://dx.doi.org/10.2118/159380-ms.

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Sharma, Avdhesh K., M. R. Ravi, and S. Kohli. "Modelling Conduction and Radiation in the Reactive Porous Bed of the Gasifier." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80758.

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This paper presents the heat transfer model for the gasifier to predict the temperature profile in the bed using the single zone sub-model. The single zone sub-model is also used to verify the correctness and to demonstrate the effect of various parameters for e.g. solid/fluid flow, temperatures of inflow/outflow control volume (CV), heat generation/absorption and with/without heat loss. The study shows that solid/fluid flow, inflow CV temperature and heat generation/absorption within the CV of interest are the strong influencing parameters, whether, the outflow CV temperature has insignificant effect on the temperature values of the CV of interest. The six similar zones correspond to preheating, drying, pyrolysis, oxidation, reduction and annular jacket zone are also coupled in order to predict the temperature profile in the gasifier bed. The simulation result shows that temperature of the down stream zones are more sensitive to heat generation in the bed as compared to upstream zone temperature, while the increase in gas flow rate resulting into the decrease in temperature profile depending upon the values of heat generation/absorption in bed is being fixed.
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Thomas, Sunil G., and Mary Fanett Wheeler. "Multiblock methods for coupled flow-transport and compositional flow through porous media - Applications to the simulation of transport of reactive species and carbon sequestration." In SPE Reservoir Simulation Symposium. Society of Petroleum Engineers, 2011. http://dx.doi.org/10.2118/141824-ms.

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Krishna, M. Veera, and B. V. Swarnalathamma. "Hall effects on unsteady MHD reactive flow of second grade fluid through porous medium in a rotating parallel plate channel." In INTERNATIONAL CONFERENCE ON FUNCTIONAL MATERIALS, CHARACTERIZATION, SOLID STATE PHYSICS, POWER, THERMAL AND COMBUSTION ENERGY: FCSPTC-2017. Author(s), 2017. http://dx.doi.org/10.1063/1.4990250.

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Asinari, Pietro, Michele Cali` Quaglia, Michael R. von Spakovsky, and Bhavani V. Kasula. "Numerical Simulations of Reactive Mixture Flow in the Anode Layer of Solid Oxide Fuel Cells by the Lattice Boltzmann Method." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95738.

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Mathematical models that predict performance can aid in the understanding and development of solid oxide fuel cells (SOFCs). Of course, various modeling approaches exist involving different length scales. In particular, very significant advances are now taking place using microscopic models to understand the complex composite structures of electrodes and three-phase boundaries. Ultimately these advances should lead to predictions of cell behavior, which at present are measured empirically and inserted into macroscopic cell models. In order to achieve this ambitious goal, simulation tools based on these macroscopic models must be redesigned by matching them to the complex microscopic phenomena, which take place at the pore scale level. As a matter of fact, the macroscopic continuum approach essentially consists of applying some type of homogenization technique, which properly averages the underlying microscopic phenomena for producing measurable quantities. Unfortunately, these quantities in the porous electrodes of fuel cells are sometimes measurable only in principle. For this reason, this type of approach introduces additional uncertainties into the macroscopic models, which can significantly affect the numerical results, particularly their generality. This paper is part of an ongoing effort to address the problem by following an alternative approach. The key idea is to numerically simulate the underlying microscopic phenomena in an effort to bring the mathematical description nearer to actual reality. In particular, some recently developed mesoscopic tools appear to be very promising since the microscopic approach is, in this particular case, partially included in the numerical method itself. In particular, the models based on the lattice Boltzmann method (LBM) treat the problem by reproducing the collisions among particles of the same type, among particles belonging to different species, and finally among the species and the solid obstructions. Recently, a model developed by the authors was proposed which, based on LBM, models the fluid flow of reactive mixtures in randomly generated porous media by simulating the actual coupling interaction among the species. A parallel three–dimensional numerical code was developed in order to implement this model and to simulate the actual microscopic structures of SOFC porous electrodes. In this paper, a thin anode (50 micron) of Ni-metal / YSZ-electrolyte cermet for a high–temperature electrolyte supported SOFC was considered in the numerical simulations. The three–dimensional anode structure was derived by a regression analysis based on the granulometry law applied to some microscopic pictures obtained with an electron microscope. The numerical simulations show the spatial distribution of the mass fluxes for the reactants and the products of the electrochemical reactions. The described technique will allow one to design new improved materials and structures in order to statistically optimize these fluid paths.
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Ahusborde, E., B. Amaziane, M. Kern, and V. Vostrikov. "Modelling and Numerical Simulation of Two-phase Multi-components Flow with Reactive Transport in Porous Media - Application to Geological Storage of Carbon Dioxide." In Sustainable Earth Sciences 2013. EAGE Publications BV, 2013. http://dx.doi.org/10.3997/2214-4609.20131653.

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Farah, Hoden A., Frank K. Lu, and Jim L. Griffin. "Numerical Simulation of Detonation Propagation in Flame Arrestor Applications." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23202.

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Abstract A detail numerical study of detonation propagation and interaction with a flame arrestor product was conducted. The simulation domain was based on the detonation flame arrestor validation test setup. The flame arrestor element was modeled as a porous zone using the Forchheimer equation. The coefficients of the Forchheimer equation were determined using experimental data. The Forchheimer equation was incorporated into the governing equations for axisymmetric reactive turbulent flow as a momentum sink. A 21-step elementary reaction mechanism with 10 species was used to model the stoichiometric oxyhydrogen detonation. Different cases of detonation propagation including inviscid, viscous adiabatic, and viscous with heat transfer and a porous zone were studied. A detail discussion of the detonation propagation and effect of the arrestor geometry, the heat transfer and the porous zone are presented. The inviscid numerical model solutions of the detonation propagation parameters are compared to one-dimensional analytical solution for verification. The viscous solutions are qualitatively compared to historical experimental data which shows very similar trend. The effect of the porous media parameters on shock transmission and re-initiation of detonation is presented.
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Reports on the topic "Reactive porous flow"

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Bacon, Diana H., Mark D. White, and B. PETER McGrail. Subsurface Transport Over Reactive Multiphases (STORM): A Parallel, Coupled, Nonisothermal Multiphase Flow, Reactive Transport, and Porous Medium Alteration Simulator, Version 3.0. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/15008845.

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Bacon, Diana H., Mark D. White, and B. Peter McGrail. Subsurface Transport Over Reactive Multiphases (STORM): A General, Coupled, Nonisothermal Multiphase Flow, Reactive Transport, and Porous Medium Alteration Simulator, Version 2, User's Guide. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/1033479.

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DH Bacon, MD White, and BP McGrail. Subsurface Transport Over Reactive Multiphases (STORM): A general, coupled, nonisothermal multiphase flow, reactive transport, and porous medium alteration simulator, Version 2 user's guide. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/751979.

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Xu, Tianfu, and Karsten Pruess. Coupled modeling of non-isothermal multiphase flow, solutetransport and reactive chemistry in porous and fractured media: 1. ModelDevelopment and Validation. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/926875.

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Weston, A. Model for high rate gas flows in deformable and reactive porous beds. Office of Scientific and Technical Information (OSTI), 1985. http://dx.doi.org/10.2172/6217714.

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