Техническая литература
Различные книги в жанре Техническая литератураFundamentals of Finite Element Analysis. Linear Finite Element Analysis
An introductory textbook covering the fundamentals of linear finite element analysis (FEA) This book constitutes the first volume in a two-volume set that introduces readers to the theoretical foundations and the implementation of the finite element method (FEM). The first volume focuses on the use of the method for linear problems. A general procedure is presented for the finite element analysis (FEA) of a physical problem, where the goal is to specify the values of a field function. First, the strong form of the problem (governing differential equations and boundary conditions) is formulated. Subsequently, a weak form of the governing equations is established. Finally, a finite element approximation is introduced, transforming the weak form into a system of equations where the only unknowns are nodal values of the field function. The procedure is applied to one-dimensional elasticity and heat conduction, multi-dimensional steady-state scalar field problems (heat conduction, chemical diffusion, flow in porous media), multi-dimensional elasticity and structural mechanics (beams/shells), as well as time-dependent (dynamic) scalar field problems, elastodynamics and structural dynamics. Important concepts for finite element computations, such as isoparametric elements for multi-dimensional analysis and Gaussian quadrature for numerical evaluation of integrals, are presented and explained. Practical aspects of FEA and advanced topics, such as reduced integration procedures, mixed finite elements and verification and validation of the FEM are also discussed. Provides detailed derivations of finite element equations for a variety of problems. Incorporates quantitative examples on one-dimensional and multi-dimensional FEA. Provides an overview of multi-dimensional linear elasticity (definition of stress and strain tensors, coordinate transformation rules, stress-strain relation and material symmetry) before presenting the pertinent FEA procedures. Discusses practical and advanced aspects of FEA, such as treatment of constraints, locking, reduced integration, hourglass control, and multi-field (mixed) formulations. Includes chapters on transient (step-by-step) solution schemes for time-dependent scalar field problems and elastodynamics/structural dynamics. Contains a chapter dedicated to verification and validation for the FEM and another chapter dedicated to solution of linear systems of equations and to introductory notions of parallel computing. Includes appendices with a review of matrix algebra and overview of matrix analysis of discrete systems. Accompanied by a website hosting an open-source finite element program for linear elasticity and heat conduction, together with a user tutorial. Fundamentals of Finite Element Analysis: Linear Finite Element Analysis is an ideal text for undergraduate and graduate students in civil, aerospace and mechanical engineering, finite element software vendors, as well as practicing engineers and anybody with an interest in linear finite element analysis.
Deutschlands Energiezukunft. Kann die Energiewende gelingen?
Deutschlands Energiezukunft Kann die Energiewende gelingen? Deutschlands Energiezukunft – wie wird sie aussehen? Mit der Energiewende hat sich Deutschland das neue und ehrgeizige Ziel gesetzt, bis zum Jahr 2050 eine klimaneutrale Energieversorgung zu verwirklichen. Kann das gelingen? Dieses Buch widmet sich der Entwicklung und den Möglichkeiten zur Deckung des Energiebedarfs der Welt sowie den Alternativen, die Deutschland zur Verfügung stehen. Der Autor verzichtet auf eine Polarisierung des Themas und gibt keine fertige Antwort auf die Frage nach Deutschlands Energiezukunft. Er will vielmehr den Leser in die Lage versetzen, sich ein eigenes Urteil bilden zu können über die Größe der Herausforderung, die Probleme, mit denen wir konfrontiert sind, und die Lösungswege, die uns offenstehen. Ergänzendes Material unter www.wiley-vch.de.
Operational Excellence. Journey to Creating Sustainable Value
Provides the foundation and tools that are essential for an enterprise to bring Operational Excellence into their organizational culture; gain maximum results, benefits and value Strategies for and implementing details for enterprises at all levels of maturity from those with programs in place to those looking to improve safety, health, environment performance as well as the efficiency and effectiveness of their operations Includes topics from concept to sustainability satisfying knowledge requirements of all levels in the organization Defines program objectives; develops improvement strategies; identifies and prioritizes improvement opportunities; implements improvement plans; monitors, continuously improves and sustains results Applicable to a broad variety of operating enterprises, academic institutions and third party implementing organizations
Oil and Gas Pipelines. Integrity and Safety Handbook
A comprehensive and detailed reference guide on the integrity and safety of oil and gas pipelines, both onshore and offshore Covers a wide variety of topics, including design, pipe manufacture, pipeline welding, human factors, residual stresses, mechanical damage, fracture and corrosion, protection, inspection and monitoring, pipeline cleaning, direct assessment, repair, risk management, and abandonment Links modern and vintage practices to help integrity engineers better understand their system and apply up-to-date technology to older infrastructure Includes case histories with examples of solutions to complex problems related to pipeline integrity Includes chapters on stress-based and strain-based design, the latter being a novel type of design that has only recently been investigated by designer firms and regulators Provides information to help those who are responsible to establish procedures for ensuring pipeline integrity and safety
Stirling Cycle Engines. Inner Workings and Design
Some 200 years after the original invention, internal design of a Stirling engine has come to be considered a specialist task, calling for extensive experience and for access to sophisticated computer modelling. The low parts-count of the type is negated by the complexity of the gas processes by which heat is converted to work. Design is perceived as problematic largely because those interactions are neither intuitively evident, nor capable of being made visible by laboratory experiment. There can be little doubt that the situation stands in the way of wider application of this elegant concept. Stirling Cycle Engines re-visits the design challenge, doing so in three stages. Firstly, unrealistic expectations are dispelled: chasing the Carnot efficiency is a guarantee of disappointment, since the Stirling engine has no such pretentions. Secondly, no matter how complex the gas processes, they embody a degree of intrinsic similarity from engine to engine. Suitably exploited, this means that a single computation serves for an infinite number of design conditions. Thirdly, guidelines resulting from the new approach are condensed to high-resolution design charts – nomograms. Appropriately designed, the Stirling engine promises high thermal efficiency, quiet operation and the ability to operate from a wide range of heat sources. Stirling Cycle Engines offers tools for expediting feasibility studies and for easing the task of designing for a novel application. Key features: Expectations are re-set to realistic goals. The formulation throughout highlights what the thermodynamic processes of different engines have in common rather than what distinguishes them. Design by scaling is extended, corroborated, reduced to the use of charts and fully Illustrated. Results of extensive computer modelling are condensed down to high-resolution Nomograms. Worked examples feature throughout. Prime movers (and coolers) operating on the Stirling cycle are of increasing interest to industry, the military (stealth submarines) and space agencies. Stirling Cycle Engines fills a gap in the technical literature and is a comprehensive manual for researchers and practitioners. In particular, it will support effort world-wide to exploit potential for such applications as small-scale CHP (combined heat and power), solar energy conversion and utilization of low-grade heat.
Cathodic Protection. Industrial Solutions for Protecting Against Corrosion
A companion to the title Corrosion Chemistry, this volume covers both the theoretical aspects of cathodic protection and the practical applications of the technology, including the most cutting-edge processes and theories. Engineers and scientists across a wide range of disciplines and industries will find this the most up-to-date, comprehensive treatment of cathodic protection available. A superb reference and refresher on the chemistry and uses of the technology for engineers in the field, the book also provides a tremendous introduction to the science for newcomers to the field.
Nanotechnologie für Einsteiger. Herstellung und Eigenschaften von Kohlenstoff-Nanostrukturen
Das Buch beginnt mit einer Einfuhrung in die Physik der Nanotechnologie und der Nanostrukturen sowie deren Herstellung und Charakterisierung. Der zweite Teil befasst sich mit dem faszinierenden Element Kohlenstoff, das den Ausgangspunkt fur alle weiteren Betrachtungen darstellt: Dank der besonderen Eigenschaften des Kohlenstoffs kann dieser in verschiedenen Formen auftreten, etwa in Form von transparentem Diamant oder opakem Graphit. Der dritte Teil des Buches widmet sich ungewohnlicheren Kohlenstoffnanostrukturen wie den Kohlenstoffnanorohrchen, Fullerenen, Kohlenstoff-"Zwiebeln" und dem Super-Material Graphen, einem hei?en Kandidaten fur bessere, schnellere und zuverlassigere Elektronik. Das Buch schlie?t mit einem Ausblick auf strukturell den Kohlenstoffnanostrukturen verwandte Materialien.
Applied Superconductivity. Handbook on Devices and Applications
This wide-ranging presentation of applied superconductivity, from fundamentals and materials right up to the details of many applications, is an essential reference for physicists and engineers in academic research as well as in industry. Readers looking for a comprehensive overview on basic effects related to superconductivity and superconducting materials will expand their knowledge and understanding of both low and high Tc superconductors with respect to their application. Technology, preparation and characterization are covered for bulk, single crystals, thins fi lms as well as electronic devices, wires and tapes. The main benefit of this work lies in its broad coverage of significant applications in magnets, power engineering, electronics, sensors and quantum metrology. The reader will find information on superconducting magnets for diverse applications like particle physics, fusion research, medicine, and biomagnetism as well as materials processing. SQUIDs and their usage in medicine or geophysics are thoroughly covered, as are superconducting radiation and particle detectors, aspects on superconductor digital electronics, leading readers to quantum computing and new devices.
Chemiereaktoren. Grundlagen, Auslegung und Simulation
Kenntnisse der Auslegung und Simulation von Chemiereaktoren sind die Voraussetzung fur den optimalen technischen und wirtschaftlichen Betrieb von chemischen Prozessen. In der neuen Auflage von «Chemiereaktoren» gibt Jens Hagen einen bewahrten und verstandlichen Einstieg in das komplexe Thema und vermittelt die Grundlagen der Reaktionstechnik. Alle erforderlichen Auslegungsgleichungen auf Basis der Stoff-, Warme- und Impulsbilanz unter Berucksichtigung von Stochiometrie und Kinetik der Reaktionen werden abgeleitet und erlautert. Jedes Kapitel enthalt vollstandig durchgerechnete Beispiele und Ubungsaufgaben mit kommentierten Losungen. Um einen Einstieg in die Modellierung und Simulation von Chemiereaktoren zu geben, nutzt Jens Hagen das Softwarepaket POLYMATH, das das Finden von numerischen Problemlosungen leicht nachvollziehbar und mit geringem Aufwand erlaubt. Zielgerichtet wird die Modellierung von Problemstellungen geubt und es werden verstandliche Losungswege aufgezeigt, um Probleme aus der Praxis zu losen. In der zweiten Auflage wurde das Buch um die Losung von Differenzialgleichungen zweiter Ordnung und von partiellen Differenzialgleichungen erweitert, um komplexere Fragestellungen des Stoff- und Warmeaustauschs losen zu konnen. Zusatzlich wurden viele neue Beispiele und Simulationen aufgenommen, die reale Probleme in der Reaktionstechnik widerspiegeln und eine Ubertragung der Beispiele in die Praxis erleichtern.
Digitaler Differentialschutz. Grundlagen und Anwendungen
Der Differentialschutz ist ein schneller, selektiver Schutz, der in vielen Varianten bei elektrischen Maschinen, Transformatoren, Sammelschienen und Leitungen eingesetzt wird. Dieses Buch vermittelt die allgemeinen Grundlagen des Differentialschutzes in analoger und digitaler Technik. Dem Verhalten und der Dimensionierung von Stromwandlern sowie der modernen, digitalen Kommunikation fur den Leitungsschutz sind besondere Kapitel gewidmet. Ausfuhrlich werden die verschiedenen Varianten des Differentialschutzes beschrieben und deren praktische Anwendungen anhand konkreter Beispiele erlautert. Erganzt wird dies mit Empfehlungen fur Inbetriebnahme, Tests und Wartung. Das gesamte Design und Management von modernem Differentialschutz wird anhand der aktuellen Siemens SIPROTEC Schutzrelais erklart. Gleicherma?en Lehrbuch wie Standardwerk, behandelt das Buch alle Themen, die bei Planung, Projektierung und Anwendung des Differentialschutzes zu beachten sind. Es wendet sich an Studenten und Ingenieure, die sich in den Differentialschutz einarbeiten wollen, aber auch an praxiserfahrene Anwender, die den Einstieg in die digitale Technik suchen. Au?erdem dient es als Nachschlagewerk zur Losung spezieller Anwendungsfragen. Diese Auflage bietet alle Inhalte auf neuestem Stand der Schutztechnik.