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Transport of antibiotic resistance plasmids in porous media and the influence of surfactants

Peipei Chen, Chaoqi Chen, Xiqing Li

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-017-0986-7

Abstract: Transport of engineered antibiotic resistance plasmids in porous media has been reported to potentiallyIn this work, transport of an indigenous resistance plasmid pK5 in porous media was investigated through

Keywords： Indigenous plasmid     Transport     Porous media     Surfactants    

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Permeability analysis and seepage process study on crystal layer in melt crystallization with fractal and porousmedia theory

Xiaobin JIANG, Baohong HOU, Yongli WANG, Jingkang WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 435-441 doi: 10.1007/s11705-011-1139-3

Abstract: In this paper a porous media seepage model was applied to analyze the permeability and study the seepage

Keywords： melt crystallization     porous media     fractal     permeability     hyperpure material     simulation    

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Multiscale analysis-based peridynamic simulation of fracture in porous media

Frontiers of Structural and Civil Engineering 2024, Volume 18, Issue 1,   Pages 1-13 doi: 10.1007/s11709-024-1043-9

Abstract: The simulation of fracture in large-scale structures made of porous media remains a challenging task.The influence of microstructures in porous media on macroscopic structural failure is represented byNumerical examples of porous media with various microstructures demonstrate the validity, accuracy, and

Keywords： porous media     multiscale     variable-horizon peridynamic     equivalent critical stretch     equivalent micro-modulus    

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Analytical solutions of three-dimensional contaminant transport in uniform flow field in porous media

Hongtao WANG, Huayong WU

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 112-128 doi: 10.1007/s11783-008-0067-z

Abstract: library of analytical solutions for the three-dimensional contaminant transport in uniform flow field in porousmedia with the first-order decay, linear sorption, and zero-order production.

Keywords： solution library     contaminant transport     analytical solution     dispersion and advection     porous media     type    

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An investigation on prevalent strategies for XFEM-based numerical modeling of crack growth in porousmedia

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 914-936 doi: 10.1007/s11709-021-0750-8

Abstract: directly lead to reliable results, and choosing a strategy of implementation is inevitable, especially in porousmedia.Finally, the crack growth is modeled in a natural porous media (Fontainebleau sandstone).

Keywords： numerical modeling     extended finite element method     porous media     crack growth     stress intensity factor    

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Maximum entropy based finite element analysis of porous media

Emad NOROUZI, Hesam MOSLEMZADEH, Soheil MOHAMMADI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 364-379 doi: 10.1007/s11709-018-0470-x

Abstract: theory is adopted to spatially discretize the deformation variable of the governing coupled equations of porousmedia.line with the well-known fact that higher-order shape functions can provide more stable solutions in porousSome of the benchmark problems in deformable porous media are solved with the developed approach and

Keywords： maximum entropy FEM     fully coupled multi-phase system     porous media    

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Heat transfer of phase change materials (PCMs) in porous materials

C Y ZHAO, D ZHOU, Z G WU

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 174-180 doi: 10.1007/s11708-011-0140-3

Abstract: Heat transfer in solid/liquid phase change of porous materials (metal foams and expanded graphite) atHowever, porous materials can suppress the effects of natural convection in liquid zone, particularlyThis implies that porous materials do not always enhance heat transfer in every regime.

Keywords： heat transfer     thermal energy storage     phase change materials     natural convection     porous media    

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An autonomous system for thermal convection of viscoelastic fluids in a porous layer using a thermal

Qi WEI, Xiaohui ZHANG

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 507-516 doi: 10.1007/s11708-010-0017-x

Abstract: Thermal convection of viscoelastic fluids saturating a horizontal porous layer heated from below is analyzedThe effects of interphase heat transfer on the thermal convection of viscoelastic fluids in a porous

Keywords： thermal convection     porous media     viscoelastic fluid     thermal nonequilibrium model    

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Flow in Porous Media in the Energy Transition

Martin J. Blunt, Qingyang Lin

Engineering 2022, Volume 14, Issue 7,   Pages 10-14 doi: 10.1016/j.eng.2021.08.008

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cerium redox flow battery using computational fluid dynamics: Mathematical and modelling aspects of porousmedia

Fernando F. Rivera, Berenice Miranda-Alcántara, Germán Orozco, Carlos Ponce de León, Luis F. Arenas

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 399-409 doi: 10.1007/s11705-020-1934-9

Abstract: determine their predictive capability, turbulent Reynolds-averaged Navier-Stokes (RANS) and free flow plus porousmedia (Brinkman) models were applied to compute local fluid velocities taking place in a rectangularthe validity of Brinkman equations was strongly dependent on porosity and permeability values of the porousmedia.

Keywords： CFD simulation     porous media     porous electrode     pressure drop     redox flow battery    

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Quantification of seepage in a multi-layered disconnected river-aquifer system

Jiang LI, Haizhu HU, Xiaomin MAO, Yi LIU

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 237-245 doi: 10.15302/J-FASE-2017135

Abstract: Quantification of seepage in disconnected river-aquifer systems is significant for local water management and groundwater pollution control, especially in areas with water shortage or contamination. The vadose zone under riverbeds usually exhibits a multi-layered structure, particularly when paved with low permeability liners. To evaluate the impact of engineering solutions to seepage under such conditions, we proposed an approach by combining GIS and the minimum flux in saturation layer (MFSL) method. MFSL can calculate the stable seepage rate by assessing the dominant low permeability layers (including but not limited to the liners) in multi-layered disconnected river-aquifer systems. We used MFSL to calculate local seepage rate, and used GIS to extend the results to a regional scale. The reliability of MFSL is discussed by comparing the results with the double ring infiltration test, the numerical simulation by HYDRUS, and the methods of stream package in MODFLOW, including its improved form. A case study was conducted in the Yongding River with river-aquifer seepage calculated under various conditions, including different river water levels (i.e., under the designated water level, drought stage level, flood stage level and flood inundation level) and with/without low permeability liners (i.e., ecological membranes or geomembrane). Results showed that low permeability liners could greatly reduce the seepage rate. However, if an unlined inundation area exists, the seepage rate may increase greatly. The results indicated that the proposed method was reliable and convenient for calculating long-term, large area seepage in disconnected river-aquifer systems especially those paved with liners.

Keywords： infiltration     low permeability liner     multi-layered porous media     river-aquifer seepage    

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Simulating multiphase flow in a two-stage pusher centrifuge using computational fluid dynamics

Chong PANG, Wei TAN, Endian SHA, Yuanqing TAO, Liyan LIU

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 329-338 doi: 10.1007/s11705-012-1205-5

Abstract: three-dimensional geometry and to simulate multiphase flows based on Euler-Euler, moving mesh, dynamic mesh and porousmedia models.

Keywords： two-stage pusher centrifuge     multiphase flow     CFD     dynamic mesh     porous media    

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Simulation of heterogeneous two-phase media using random fields and level sets

George STEFANOU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 114-120 doi: 10.1007/s11709-014-0267-5

Abstract: The accurate and efficient simulation of random heterogeneous media is important in the framework ofThis paper provides a critical examination of existing random field models of heterogeneous two-phase media

Keywords： microstructure     random fields     level sets     shape recovery     two-phase media    

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Social media and mobility landscape: Uncovering spatial patterns of urban human mobility with multi source

Yilan Cui, Xing Xie, Yi Liu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1068-1

Abstract:

Check-in and survey data are explored to identify personal activity-specific places.

Ways for detecting and moderating sample bias of Weibo check-in data is proposed.

A graphic representation of urban activity intensity in Beijing, China is presented.

The potential application of Weibo check-in data for urban analysis is introduced.

Keywords： Social media     Human mobility     Population bias     Sample reconstruction     Data integration    

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Title Author Date Type Operation

Transport of antibiotic resistance plasmids in porous media and the influence of surfactants

Peipei Chen, Chaoqi Chen, Xiqing Li

Journal Article

Permeability analysis and seepage process study on crystal layer in melt crystallization with fractal and porousmedia theory

Xiaobin JIANG, Baohong HOU, Yongli WANG, Jingkang WANG

Journal Article

Multiscale analysis-based peridynamic simulation of fracture in porous media

Journal Article

Analytical solutions of three-dimensional contaminant transport in uniform flow field in porous media

Hongtao WANG, Huayong WU

Journal Article

An investigation on prevalent strategies for XFEM-based numerical modeling of crack growth in porousmedia

Journal Article

Maximum entropy based finite element analysis of porous media

Emad NOROUZI, Hesam MOSLEMZADEH, Soheil MOHAMMADI

Journal Article

Heat transfer of phase change materials (PCMs) in porous materials

C Y ZHAO, D ZHOU, Z G WU

Journal Article

An autonomous system for thermal convection of viscoelastic fluids in a porous layer using a thermal

Qi WEI, Xiaohui ZHANG

Journal Article

Martin Blunt：Flow in Porous Media in the Energy Transition（2022-10-12）

18 Oct 2022

Conference Videos

Flow in Porous Media in the Energy Transition

Martin J. Blunt, Qingyang Lin

Journal Article

cerium redox flow battery using computational fluid dynamics: Mathematical and modelling aspects of porousmedia

Fernando F. Rivera, Berenice Miranda-Alcántara, Germán Orozco, Carlos Ponce de León, Luis F. Arenas

Journal Article

Quantification of seepage in a multi-layered disconnected river-aquifer system

Jiang LI, Haizhu HU, Xiaomin MAO, Yi LIU

Journal Article

Simulating multiphase flow in a two-stage pusher centrifuge using computational fluid dynamics

Chong PANG, Wei TAN, Endian SHA, Yuanqing TAO, Liyan LIU

Journal Article

Simulation of heterogeneous two-phase media using random fields and level sets

George STEFANOU

Journal Article

Social media and mobility landscape: Uncovering spatial patterns of urban human mobility with multi source

Yilan Cui, Xing Xie, Yi Liu

Journal Article