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Author: Bo Zhong
Publisher:
ISBN:
Category :
Languages : en
Pages : 132
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Author: Bo Zhong
Publisher:
ISBN:
Category :
Languages : en
Pages : 132
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Author: A. Krishna Sinha
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Kalyan Kumar Roy
Publisher: Springer Nature
ISBN: 3030380971
Category : Science
Languages : en
Pages : 605
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Book Description
This research monograph presents all the branches of geophysics based on natural electromagnetic fields and their associated subjects. Meant for postgraduate and research level courses, it includes research guidance and collection of magnetotelluric data in some parts of Eastern India and their qualitative and quantitative interpretation. Specific topics highlighted include (i) Electrotellurics, (ii) Magnetotellurics, (iii) Geomagnetic Depth Sounding and Magnetometer Array Studies, (iv) Audio Frequency Magnetotellurics and Magnetic Methods, (v) Marine Magnetotelluric and Marine Controlled Source Electromagnetic Methods, (vi) Electrical Conductivity of Rocks and Minerals and (vii) Mathematical Modelling and Some Topics on Inversion needed for Interpretation of Geoelectrical Data.
Author: Eduard Petrovský
Publisher: Springer Science & Business Media
ISBN: 9400703236
Category : Science
Languages : en
Pages : 444
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Book Description
This volume combines review and solicited contributions, related to scientific studies of Division I of IAGA presented at its Scientific Assembly in Sopron in 2009. The book is aimed at intermediate to advanced readers dealing with the Earth’s magnetic field generation, its historical records in rocks and geological formations - including links to geodynamics and magnetic dating, with magnetic carriers in earth materials, electromagnetic induction and conductivity studies of the Earth interior with environmental applications of rock magnetism and electromagnetism. The aim of the book is to provide an overview of recent advances and future challenges in these particular fields of research.
Author: James R. Wait
Publisher:
ISBN:
Category : Electromagnetic waves
Languages : en
Pages : 44
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Book Description
The report presents a self-contained exposition of ground wave propagation over a smooth inhomogeneous earth model. A factorization procedure is used to obtain an exact solution for a two-dimensional cylindrical model which may have any number of homogeneous sections. It is demonstrated that under most conditions in practice, the solution for the mode conversion coefficients can be simplified to a form which was derived earlier by an application of the compensation theorem. Formulas are given which permit the refinement of earlier approximate calculations if such accuracy is required in future engineering developments such as precise navigation systems. (Author).
Author: Nawayandra Shakya
Publisher:
ISBN:
Category : Formations (Geology)
Languages : en
Pages : 138
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Book Description
The study presents the 3D electromagnetic model of layered isotropic and anisotropic media using an induction logging tool. This tool utilizes the electromagnetic wave frequency domain (EWFD) interface with Maxwell's equations. The study shows the effect of conductivity and depth for determining the electric field among single and multiple-layered formations. An induction logging tool operates deep inside the earth surface to measure earth formations and yields real-time formation parameters related to the layer of the earth as a function of depth. COMSOL Multiphysics software designs the induction logging tool, complex voltages are obtained from the 3D COMSOL model for the different layered formation, and MATLAB calculates attenuation and phase shifts. The induction tool is applied to both normal and horizontal directions in the formation to obtain electric fields and complex voltages. The method has an advantage of operating under complicated scenarios including one-, two- and three-layers without knowing the detailed properties.
Author: Maciej Jaroszewski
Publisher: John Wiley & Sons
ISBN: 1119128641
Category : Technology & Engineering
Languages : en
Pages : 464
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Book Description
A comprehensive review of the field of materials that shield people and sensitive electronic devices from electromagnetic fields Advanced Materials for Electromagnetic Shielding offers a thorough review of the most recent advances in the processing and characterization of the electromagnetic shielding materials. In this groundbreaking book, the authors—noted experts in the field—discuss the fundamentals of shielding theory as well as the practice of electromagnetic field measuring techniques and systems. They also explore applications of shielding materials used as absorbers of electromagnetic radiation, or as magnetic shields and explore coverage of new advanced materials for EMI shielding in aerospace applications. In addition, the text contains methods of preparation and applicability of metal foams. This comprehensive text examines the influence of technology on the micro-and macrostructure of polymers enabling their use in screening technology, technologies of shielding materials based on textiles, and analyses of its effectiveness in screening. The book also details the method of producing nanowires and their applications in EM shielding. This important resource: Explores the burgeoning market of electromagnetic shielding materials as we create, depend upon, and are exposed to more electronic devices than ever Addresses the most comprehensive issues relating to electromagnetic fields Contains information on the manufacturing, characterization methods, and properties of materials used to protect against them Discusses the important characterization techniques compared with one another, thus allowing scientists to select the best approach to a problem Written for materials scientists, electrical and electronics engineers, physicists, and industrial researchers, Advanced Materials for Electromagnetic Shielding explores all aspects in the area of electromagnetic shielding materials and examines the current state-of-the-art and new challenges in this rapidly growing area.
Author: C. Richard Liu
Publisher: Elsevier
ISBN: 0128040599
Category : Science
Languages : en
Pages : 733
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Book Description
Theory of Electromagnetic Well Logging provides a much-needed and complete analytical method for electromagnetic well logging technology. The book presents the physics and mathematics behind the effective measurement of rock properties using boreholes, allowing geophysicists, petrophysisists, geologists and engineers to interpret them in a more rigorous way. Starting with the fundamental concepts, the book then moves on to the more classic subject of wireline induction logging, before exploring the subject of LWD logging, concluding with new thoughts on electromagnetic telemetry. Theory of Electromagnetic Well Logging is the only book offering an in-depth discussion of the analytical and numerical techniques needed for expert use of those new logging techniques. Features in-depth analysis of the analytical and numerical techniques needed for expert use of logging techniques Includes software codes, providing a handy tool for understanding logging tool physics and design of new logging tools Provides a detailed glossary of all key terms within the introductory chapter
Author: Anatoly Belous
Publisher: Springer
ISBN: 3030041581
Category : Technology & Engineering
Languages : en
Pages : 309
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Book Description
This book describes for readers the protection of electronic hardware in space vehicles from the negative effects of space dust and electromagnetic irradiation. The authors explain the mechanisms of “space dust” (high velocity particles in space), the effects on the on-board electronic hardware of space vehicles, and development of protection methods from these influences on humans, equipment and microcircuits. Coverage includes hard-to-find technical information on the design of special boosters for accelerating microparticles to space velocities, techniques for conducting experiments on Earth, data processing, and practical examples. The authors also discuss fabrication technologies and composition of special, radio absorbent materials for protecting space vehicles from the electromagnetic irradiation.
Author:
Publisher:
ISBN:
Category : Petroleum
Languages : en
Pages : 1486
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Book Description
