Numerical Modeling And Well Layout Design For Egs

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Numerical Modeling And Well Layout Design For Egs

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Author : Fangming Jiang
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2014-11-25

Numerical Modeling And Well Layout Design For Egs written by Fangming Jiang and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-25 with categories.

We first present with great details a three-dimensional transient model of enhanced geothermal systems (EGS) heat extraction processes. This model takes the reservoir as an equivalent porous medium while considers the local thermal non-equilibrium between solid rock matrix and fluid flowing in the fractured rock mass. One other salient feature of this model is its capability of simulating the complete subsurface thermo-hydraulic process in EGS, not only the thermo-flow in the reservoir and well boreholes, but also the heat transport in rocks enclosing the reservoir. Simulation results unravel the underlying mechanism for preferential flow or short-circuit flow forming in well-fractured, homogeneous reservoirs of different permeability values. We then perform a thorough numerical study to the effects of well layout on EGS heat extraction. Last, we discuss about the hot dry rock (HDR) heat recovery factor based on numerous simulated cases and estimate the amount of HDR geothermal resource that can be converted into electricity by EGS.

Introduction To The Numerical Modeling Of Groundwater And Geothermal Systems

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Author : Jochen Bundschuh
language : en
Publisher: CRC Press
Release Date : 2010-07-05

Introduction To The Numerical Modeling Of Groundwater And Geothermal Systems written by Jochen Bundschuh and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-07-05 with Mathematics categories.

This book provides an introduction to the scientific fundamentals of groundwater and geothermal systems. In a simple and didactic manner the different water and energy problems existing in deformable porous rocks are explained as well as the corresponding theories and the mathematical and numerical tools that lead to modeling and solving them. This

Numerical Models For Submerged Breakwaters

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Author : Amir Sharifahmadian
language : en
Publisher: Butterworth-Heinemann
Release Date : 2015-11-24

Numerical Models For Submerged Breakwaters written by Amir Sharifahmadian and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-24 with Technology & Engineering categories.

Numerical Models for Submerged Breakwaters: Coastal Hydrodynamics and Morphodynamics discusses the practice of submerged breakwaters, an increasingly popular tool used as a coastal defense system because of their amenity and aesthetics as compared to common emerged beach protection measures. The book is the perfect guide for experienced professionals who wish to keep abreast of the latest best practices or those who are entering the field and need a reference, explaining new and traditional numerical methodologies for designing submerged breakwaters and measuring their performance. In addition, the book provides case studies, examples, and practical methods for data selection and pre-processing, model setup, calibration, and analysis. Case studies and worked-out examples illustrate different concepts and methods Offers practical methods for Data Selection and Pre-Processing Provides simplified prediction tools for practical applications

Microelectromechanical Systems

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Author : Committee on Advanced Materials and Fabrication Methods for Microelectromechanical Systems
language : en
Publisher: National Academies Press
Release Date : 1997-12-15

Microelectromechanical Systems written by Committee on Advanced Materials and Fabrication Methods for Microelectromechanical Systems and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-12-15 with Technology & Engineering categories.

Microelectromenchanical systems (MEMS) is a revolutionary field that adapts for new uses a technology already optimized to accomplish a specific set of objectives. The silicon-based integrated circuits process is so highly refined it can produce millions of electrical elements on a single chip and define their critical dimensions to tolerances of 100-billionths of a meter. The MEMS revolution harnesses the integrated circuitry know-how to build working microsystems from micromechanical and microelectronic elements. MEMS is a multidisciplinary field involving challenges and opportunites for electrical, mechanical, chemical, and biomedical engineering as well as physics, biology, and chemistry. As MEMS begin to permeate more and more industrial procedures, society as a whole will be strongly affected because MEMS provide a new design technology that could rival--perhaps surpass--the societal impact of integrated circuits.

Users Guide To Physical Modelling And Experimentation

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Author : Lynne E. Frostick
language : en
Publisher: CRC Press
Release Date : 2011-05-20

Users Guide To Physical Modelling And Experimentation written by Lynne E. Frostick and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-20 with Technology & Engineering categories.

A Users Guide to Hydraulic Modelling and Experimentation provides a systematic, comprehensive summary of the progress made through HYDRALAB III . The book combines the expertise of many of the leading hydraulic experimentalists in Europe and identifies current best practice for carrying out state-of-the-art, modern laboratory investigations. In addition it gives an inventory and reviews recent advances in instrumentation and equipment that drive present and new developments in the subject. The Guide concentrates on four core areas – waves, breakwaters, sediments and the relatively-new (but rapidly-developing) cross-disciplinary area of hydrodynamics/ecology. Progress made through the ‘CoMIBBS’ component of HYDRALAB III provides the material for a chapter focussed on guidance, principles and practice for composite modelling. There is detailed consideration of scaling and the degree of relevance of laboratory/physical modelling approaches for specific contexts included in each of the individual chapters. The Guide includes outputs from the workshops and several of the innovative transnational access projects that have been supported within HYDRALAB III, as well as the focussed joint research activities SANDS and CoMIBBS. Its primary purpose is to serve as a shared resource to disseminate the outstanding advances achieved within HYDRALAB III but, even more than this, it is a tribute to the human and institutional collaborations that led to and sustained the research advances, the human relationships that were strengthened and initiated through joint participation in the Programme, and the training opportunities that participation provided to the many young researchers engaged in the projects.

Measurement And Modeling Of Silicon Heterostructure Devices

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Author : John D. Cressler
language : en
Publisher: CRC Press
Release Date : 2018-10-03

Measurement And Modeling Of Silicon Heterostructure Devices written by John D. Cressler and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-03 with Technology & Engineering categories.

When you see a nicely presented set of data, the natural response is: “How did they do that; what tricks did they use; and how can I do that for myself?” Alas, usually, you must simply keep wondering, since such tricks-of- the-trade are usually held close to the vest and rarely divulged. Shamefully ignored in the technical literature, measurement and modeling of high-speed semiconductor devices is a fine art. Robust measuring and modeling at the levels of performance found in modern SiGe devices requires extreme dexterity in the laboratory to obtain reliable data, and then a valid model to fit that data. Drawn from the comprehensive and well-reviewed Silicon Heterostructure Handbook, this volume focuses on measurement and modeling of high-speed silicon heterostructure devices. The chapter authors provide experience-based tricks-of-the-trade and the subtle nuances of measuring and modeling advanced devices, making this an important reference for the semiconductor industry. It includes easy-to-reference appendices covering topics such as the properties of silicon and germanium, the generalized Moll-Ross relations, the integral charge-control model, and sample SiGe HBT compact model parameters.

Fourth International Conference On Current And Future Trends In Bridge Design Construction And Maintenance

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Author : B. Barr
language : en
Publisher: Thomas Telford
Release Date : 2006

Fourth International Conference On Current And Future Trends In Bridge Design Construction And Maintenance written by B. Barr and has been published by Thomas Telford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Technology & Engineering categories.

This is a state-of-the-art reference, an exchange of innovative experience, creative thinking and industry forecasts. This volume presents the proceedings of the fourth international conference in this series based in the Asia Pacific region, in Kuala Lumpur in October 2005 and is applicable to all sectors of the bridge engineering community. BACKGROUND KNOWLEDGE AND FUTURE PERFORMANCE The Institution of Civil Engineers has collaborated with internationally renowned bridge engineers to organise three successful conferences to celebrate the enormous achievements made in the field of bridge engineering in recent years. As a discipline, bridge engineering not only requires knowledge and experience of bridge design and construction techniques but must also deal with increasing challenges posed by the need to maintain the long-term performance of structures throughout an extended service life. In many parts of the world natural phenomena such as seismic events can cause significant damage to force major repairs or reconstruction. Therefore, it is appropriate that the first plenary session of this conference is entitled Engineering for Seismic Performance. READERSHIP This compilation of papers will benefit practising civil and structural engineers in consulting firms and government agencies, bridge contractors, research institutes, universities and colleges. In short, it is of importance to all engineers involved in any aspect of the design, construction and repair, maintenance and refurbishment of bridges.

Dynamic Well Testing In Petroleum Exploration And Development

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Author : Huinong Zhuang
language : en
Publisher: Elsevier
Release Date : 2020-05-26

Dynamic Well Testing In Petroleum Exploration And Development written by Huinong Zhuang and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-26 with Technology & Engineering categories.

Dynamic Well Testing in Petroleum Exploration and Development, Second Edition, describes the process of obtaining information about a reservoir through examining and analyzing the pressure-transient response caused by a change in production rate. The book provides the reader with modern petroleum exploration and well testing interpretation methods, including their basic theory and graph analysis. It emphasizes their applications to tested wells and reservoirs during the whole process of exploration and development under special geological and development conditions in oil and gas fields, taking reservoir research and performance analysis to a new level. This distinctive approach features extensive analysis and application of many pressure data plots acquired from well testing in China through advanced interpretation software that can be tailored to specific reservoir environments. Presents the latest research results of conventional and unconventional gas field dynamic well testing Focuses on advances in gas field dynamic well testing, including well testing techniques, well test interpretation models and theoretical developments Includes more than 100 case studies and 250 illustrations-many in full color-that aid in the retention of key concepts

Geochemical Modeling Of Groundwater Vadose And Geothermal Systems

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Author : Jochen Bundschuh
language : en
Publisher: CRC Press
Release Date : 2011-12-23

Geochemical Modeling Of Groundwater Vadose And Geothermal Systems written by Jochen Bundschuh and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-12-23 with Technology & Engineering categories.

Geochemical modeling is an important tool in environmental studies, and in the areas of subsurface and surface hydrology, pedology, water resources management, mining geology, geothermal resources, hydrocarbon geology, and related areas dealing with the exploration and extraction of natural resources. The book fills a gap in the literature through its discussion of geochemical modeling, which simulates the chemical and physical processes affecting the distribution of chemical species in liquid, gas, and solid phases. Geochemical modeling applies to a diversity of subsurface environments, from the vadose zone close to the Earth’s surface, down to deep-seated geothermal reservoirs. This book provides the fundamental thermodynamic concepts of liquid-gas-solid phase systems. It introduces the principal types of geochemical models, such as speciation, reaction-path or forward, inverse- and reactive-transport models, together with examples of the most common codes and the best-practices for constructing geochemical models. The physical laws describing homogeneous and heterogeneous chemical reactions, their kinetics, and the transport of reactive solutes are presented. The partial differential or algebraic equations representing these laws, and the principal numerical methods that allow approximate solutions of these equations that can provide useful solutions to model different geochemical processes, are discussed in detail. Case studies applying geochemical models in different scientific areas and environmental settings, conclude the book. The book is addressed to students, teachers, other professionals, and to the institutions involved in water, geothermal and hydrocarbon resources, mining, and environmental management. The book should prove useful to undergraduate and graduate students, postgraduates, professional geologists and geophysicists, engineers, environmental scientists, soil scientists, hydrochemists, and others interested in water and geochemistry.

Numerical Modeling Of Masonry And Historical Structures

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Author : Bahman Ghiassi
language : en
Publisher: Woodhead Publishing
Release Date : 2019-06-15

Numerical Modeling Of Masonry And Historical Structures written by Bahman Ghiassi and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-15 with Architecture categories.

Numerical Modeling of Masonry and Historical Structures: From Theory to Application provides detailed information on the theoretical background and practical guidelines for numerical modeling of unreinforced and reinforced (strengthened) masonry and historical structures. The book consists of four main sections, covering seismic vulnerability analysis of masonry and historical structures, numerical modeling of unreinforced masonry, numerical modeling of FRP-strengthened masonry, and numerical modeling of TRM-strengthened masonry. Each section reflects the theoretical background and current state-of-the art, providing practical guidelines for simulations and the use of input parameters. Covers important issues relating to advanced methodologies for the seismic vulnerability assessment of masonry and historical structures Focuses on modeling techniques used for the nonlinear analysis of unreinforced masonry and strengthened masonry structures Follows a theory to practice approach