Conceptual Models of Flow and Transport in the Fractured Vadose Zone

Conceptual Models of Flow and Transport in the Fractured Vadose Zone PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309170990
Category : Science
Languages : en
Pages : 398

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Book Description
Fluid flow and solute transport within the vadose zone, the unsaturated zone between the land surface and the water table, can be the cause of expanded plumes arising from localized contaminant sources. An understanding of vadose zone processes is, therefore, an essential prerequisite for cost-effective contaminant remediation efforts. In addition, because such features are potential avenues for rapid transport of chemicals from contamination sources to the water table, the presence of fractures and other channel-like openings in the vadose zone poses a particularly significant problem, Conceptual Models of Flow and Transport in the Fractured Vadose Zone is based on the work of a panel established under the auspices of the U.S. National Committee for Rock Mechanics. It emphasizes the importance of conceptual models and goes on to review the conceptual model development, testing, and refinement processes. The book examines fluid flow and transport mechanisms, noting the difficulty of modeling solute transport, and identifies geochemical and environmental tracer data as important components of the modeling process. Finally, the book recommends several areas for continued research.

Conceptual Models of Flow and Transport in the Fractured Vadose Zone

Conceptual Models of Flow and Transport in the Fractured Vadose Zone PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309170990
Category : Science
Languages : en
Pages : 398

Get Book Here

Book Description
Fluid flow and solute transport within the vadose zone, the unsaturated zone between the land surface and the water table, can be the cause of expanded plumes arising from localized contaminant sources. An understanding of vadose zone processes is, therefore, an essential prerequisite for cost-effective contaminant remediation efforts. In addition, because such features are potential avenues for rapid transport of chemicals from contamination sources to the water table, the presence of fractures and other channel-like openings in the vadose zone poses a particularly significant problem, Conceptual Models of Flow and Transport in the Fractured Vadose Zone is based on the work of a panel established under the auspices of the U.S. National Committee for Rock Mechanics. It emphasizes the importance of conceptual models and goes on to review the conceptual model development, testing, and refinement processes. The book examines fluid flow and transport mechanisms, noting the difficulty of modeling solute transport, and identifies geochemical and environmental tracer data as important components of the modeling process. Finally, the book recommends several areas for continued research.

Scaling Methods in Soil Physics

Scaling Methods in Soil Physics PDF Author: Yakov Pachepsky
Publisher: CRC Press
ISBN: 0203011066
Category : Science
Languages : en
Pages : 470

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Book Description
The scaling issue remains one of the largest problems in soil science and hydrology. This book is a unique compendium of ideas, conceptual approaches, techniques, and methodologies for scaling soil physical properties. Scaling Methods in Soil Physics covers many methods of scaling that will be useful in helping scientists across a range of soil-rel

Poromechanics

Poromechanics PDF Author: J.F. Thimus
Publisher: CRC Press
ISBN: 1000100235
Category : Technology & Engineering
Languages : en
Pages : 666

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Book Description
This text features 105 papers dealing with the fundamentals and the applications of poromechanics from the Biot conference of 1998, held in Louvain-la-Neuve. Topics include: wave propogation; numerical modelling; identification of poromechanical parameters; and constitutive modelling.

Size-Scale Effects in the Failure Mechanisms of Materials and Structures

Size-Scale Effects in the Failure Mechanisms of Materials and Structures PDF Author: Alberto Carpinteri
Publisher: CRC Press
ISBN: 1482294885
Category : Architecture
Languages : en
Pages : 613

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Book Description
Invited international contributions to this exciting new research field are included in this volume. It contains the specially selected papers from 45 key specialists given at the Symposium held under the auspices of the prestigious International Union of Theoretical and Applied Mechanics at Turin in October 1994.

Thermo-Hydro-Mechanical Coupling in Fractured Rock

Thermo-Hydro-Mechanical Coupling in Fractured Rock PDF Author: Hans-Joachim Kümpel
Publisher: Birkhäuser
ISBN: 3034880839
Category : Science
Languages : en
Pages : 355

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Book Description
(4). The next three papers extend these views by taking a closer look on parameters that govern hydraulic diffusivity in sandstones and other types of rocks. Specific targets addressed are the influence of differential stress on permeability (5), imaging of the fracture geometry (6), and pressure induced variations in the pore geometry (7). Contributions no. 8 to 10 cover investigations of permeability-porosity relationships during rock evolution (8), of the formation, propagation, and roughness of fractures in a plexi-glass block (9), and pressure oscillation effects of two-phase flow under controlled conditions (10). The subsequent four articles focus on diverse modeling approaches. Issues considered are how the geometry and the mechanical behavior of fractures can be characterized by mathematical expressions (11), how the evolution of permeability in a microcracking rock can be expressed by an analytical model (12), deviations from the cubic law for a fracture of varying aperture (13), and the numerical simulation of scale effects in flow through fractures (14). Three further papers refer to in situ observations, being related to topics as the assessment of in situ permeability from the spatio temporal distribution of an aftershock sequence (15), to the scale dependence of hydraulic pathways in crystalline rock (16), and to the significance of pore pressure - stress coupling in deep tunnels and galleries (17).

Environmental Rock Engineering

Environmental Rock Engineering PDF Author: S. Murata
Publisher: CRC Press
ISBN: 9780415889445
Category : Science
Languages : en
Pages : 432

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Book Description
This book is a collection of papers presented at the 1st Kyoto International Symposium on Underground Environment entitled "Role of Geo-technology to the Underground Environment". Consists of nine keynote papers, thirty-one technical papers and fifteen papers resulting from the poster presentations, each covering a vital aspect of underground engineering.

Advances in Multi-scale Multi-physics Geophysical Modelling and Fluid Transport in Unconventional Oil and Gas Reservoir

Advances in Multi-scale Multi-physics Geophysical Modelling and Fluid Transport in Unconventional Oil and Gas Reservoir PDF Author: Wenhui Song
Publisher: Frontiers Media SA
ISBN: 2889767752
Category : Science
Languages : en
Pages : 155

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Book Description


Advances in the study of natural fractures in deep and unconventional reservoirs

Advances in the study of natural fractures in deep and unconventional reservoirs PDF Author: Lei Gong
Publisher: Frontiers Media SA
ISBN: 2832514138
Category : Science
Languages : en
Pages : 393

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Book Description


Bringing Groundwater Quality Research to the Watershed Scale

Bringing Groundwater Quality Research to the Watershed Scale PDF Author: Neil R. Thomson
Publisher:
ISBN: 9781901502183
Category : Nature
Languages : en
Pages : 566

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Book Description


Unconventional Tight Reservoir Simulation: Theory, Technology and Practice

Unconventional Tight Reservoir Simulation: Theory, Technology and Practice PDF Author: Qiquan Ran
Publisher: Springer Nature
ISBN: 9813298480
Category : Technology & Engineering
Languages : en
Pages : 421

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Book Description
This book systematically introduces readers to the simulation theory and techniques of multiple media for unconventional tight reservoirs. It summarizes the macro/microscopic heterogeneities; the features of multiscale multiple media; the characteristics of complex fluid properties; the occurrence state of continental tight oil and gas reservoirs in China; and the complex flow characteristics and coupled production mechanism under unconventional development patterns. It also discusses the simulation theory of multiple media for unconventional tight oil and gas reservoirs; mathematic model of flow through discontinuous multiple media; geological modeling of discrete multiscale multiple media; and the simulation of multiscale, multiphase flow regimes and multiple media. In addition to the practical application of simulation and software for unconventional tight oil and gas, it also explores the development trends and prospects of simulation technology. The book is of interest to scientific researchers and technicians engaged in the development of oil and gas reservoirs, and serves as a reference resource for advanced graduate students in fields related to petroleum.