Academic literature on the topic 'Reactive diffusive transport'

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Journal articles on the topic "Reactive diffusive transport"

1

Zimmerman, R. A., G. Severino, and D. M. Tartakovsky. "Hydrodynamic dispersion in a tube with diffusive losses through its walls." Journal of Fluid Mechanics 837 (January 5, 2018): 546–61. http://dx.doi.org/10.1017/jfm.2017.870.

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Advective–diffusive transport of passive or reactive scalars in confined environments (e.g. tubes and channels) is often accompanied by diffusive losses/gains through the confining walls. We present analytical solutions for transport of a reactive solute in a tube, whose walls are impermeable to flow but allow for solute diffusion into the surrounding medium. The solute undergoes advection, diffusion and first-order chemical reaction inside the tube, while diffusing and being consumed in the surrounding medium. These solutions represent a leading-order (in the radius-to-length ratio) approxima
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2

Seaïd, Mohammed. "On the Quasi-monotone Modified Method of Characteristics for Transport-diffusion Problems with Reactive Sources." Computational Methods in Applied Mathematics 2, no. 2 (2001): 186–210. http://dx.doi.org/10.2478/cmam-2002-0012.

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AbstractThis is an attempt to construct a strong numerical method for transportdiffusion equations with nonlinear reaction terms, which relies on the idea of the Modified Method of Characteristics that is explicit but stable and is second-order accurate in time. The method consists in convective-diffusive splitting of the equations along the characteristics. The convective stage of the splitting is straightforwardly treated by a quasi-monotone and conservative modified method of characteristics, while the diffusive-reactive stage can be approximated by an explicit scheme with an extended real
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3

CVETKOVIC, V., J. O. SELROOS, and H. CHENG. "Transport of reactive tracers in rock fractures." Journal of Fluid Mechanics 378 (January 10, 1999): 335–56. http://dx.doi.org/10.1017/s0022112098003450.

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Transport of tracers subject to mass transfer reactions in single rock fractures is investigated. A Lagrangian probabilistic model is developed where the mass transfer reactions are diffusion into the rock matrix and subsequent sorption in the matrix, and sorption on the fracture surface as well as on gauge (infill) material in the fracture. Sorption reactions are assumed to be linear, and in the general case kinetically controlled. The two main simplifying assumptions are that diffusion in the rock matrix is one-dimensional, perpendicular to the fracture plane, and the tracer is displaced wit
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4

Horsch, Georgios M. "Steady, Diffusive-Reactive Transport in Shallow Triangular Domain." Journal of Engineering Mechanics 124, no. 10 (1998): 1135–41. http://dx.doi.org/10.1061/(asce)0733-9399(1998)124:10(1135).

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5

Stefanovic, Dragoslav L., and Heinz G. Stefan. "Accurate Two-Dimensional Simulation of Advective-Diffusive-Reactive Transport." Journal of Hydraulic Engineering 127, no. 9 (2001): 728–37. http://dx.doi.org/10.1061/(asce)0733-9429(2001)127:9(728).

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6

Heming, T. A., E. K. Stabenau, C. G. Vanoye, H. Moghadasi, and A. Bidani. "Roles of intra- and extracellular carbonic anhydrase in alveolar-capillary CO2 equilibration." Journal of Applied Physiology 77, no. 2 (1994): 697–705. http://dx.doi.org/10.1152/jappl.1994.77.2.697.

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Alveolar-capillary CO2 equilibration involves diffusive equilibration of CO2 across the blood-gas barrier and chemical equilibration of perfusate CO2-HCO-3-H+ reactions. These processes are governed by different, but related, driving forces and conductances. The present study examined the importance of pulmonary carbonic anhydrase (CA) for diffusive and reactive CO2 equilibration in isolated rat lungs. Lungs were perfused with salines containing membrane-impermeant or -permeant inhibitors of CA. Measurements of CO2 excretion rate, equilibrated venous and arterial PCO2 and pH, and postcapillary
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7

Liu, Jiangjin, Pablo A. García-Salaberri, and Iryna V. Zenyuk. "Bridging Scales to Model Reactive Diffusive Transport in Porous Media." Journal of The Electrochemical Society 167, no. 1 (2020): 013524. http://dx.doi.org/10.1149/2.0242001jes.

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8

Jungnickel, Christian, David Smith, and Stephen Fityus. "Coupled multi-ion electrodiffusion analysis for clay soils." Canadian Geotechnical Journal 41, no. 2 (2004): 287–98. http://dx.doi.org/10.1139/t03-092.

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For a well-engineered compacted clay landfill liner, diffusive transport through the liner is the main mass transport mechanism from the landfill. Therefore, accurate estimates of diffusion coefficients for clay liners are essential for the engineering design of liner systems. A long-standing problem has been the effect of ion pairing on the estimation of diffusion coefficients for multicomponent ionic solutions migrating through clay liners. This paper considers the solution of a fully coupled set of transport equations describing the simultaneous diffusion of several ion species through a cl
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9

Kapoor, Rajat, and S. T. Oyama. "Measurement of solid state diffusion coefficients by a temperature-programmed method." Journal of Materials Research 12, no. 2 (1997): 467–73. http://dx.doi.org/10.1557/jmr.1997.0068.

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This paper presents a method for determining diffusivities in solids where the diffusing species desorbs or reacts at the external surfaces, and where the diffusivity does not vary appreciably with concentration. The method involves measuring the flux of the diffusive species out of the solid under the influence of a temperature program. A general model is developed, based on nonisothermal Fickian diffusion, which is applicable to solid particles with slab or spherical geometry. The solution is presented both as an analytical expression and as correlation charts of experimentally observable qu
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10

Honjo, Yusuke, and Thuraisamy Thavaraj. "On uncertainty evaluation of contaminant migration through clayey barriers." Canadian Geotechnical Journal 31, no. 5 (1994): 637–48. http://dx.doi.org/10.1139/t94-076.

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This paper presents a methodology to estimate parameters and to make predictions with quantified uncertainty for an advective–diffusive transport of nonreactive species and low-concentration reactive species through saturated porous media. The methodology is put in the framework of inverse and forward analyses. The maximum-likelihood method (or the weighted least square method) is employed in the inverse analysis, whereas the first-order second-moment method is used in the forward analysis. The methodology facilitates the quantification of uncertainty in the estimated parameters as well as in
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