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Deterministic simulation of the particle transport in semiconductor devices is an interesting alternative to the common Monte Carlo approach. In this book, a state-of-the-art technique called the multigroup approach is presented and applied to a variety of transport problems in bulk semiconductors and semiconductor devices. High-field effects as well as hot-phonon phenomena in polar semiconductors are studied in detail. The mathematical properties of the presented numerical method are studied, and the method is applied to simulating the transport of a two-dimensional electron gas formed at a s

Transport theory --- Semiconductors --- Crystalline semiconductors --- Semi-conductors --- Semiconducting materials --- Semiconductor devices --- Crystals --- Electrical engineering --- Electronics --- Solid state electronics --- Boltzmann transport equation --- Transport phenomena --- Mathematical physics --- Particles (Nuclear physics) --- Radiation --- Statistical mechanics --- Mathematics. --- Materials

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Die gründlich überarbeitete und aktualisierte 12. Auflage des bewährten Lehrbuchs enthält neue Abschnitte mit genauen PC-Berechnungsgleichungen für die spezifische Wärmekapazität, die Enthalpie und die Entropie wichtiger idealer Gase und Gasgemische. Schwerpunkt des Buches ist die ausführliche und auch dem Anfänger verständliche Darstellung der Grundlagen mit der sorgfältigen Einführung der thermodynamischen Begriffe und den fundamentalen Bilanzgleichungen für Energie und Entropie. Die thermodynamischen Eigenschaften reiner Fluide und fluider Gemische werden eingehend erläutert. Darauf aufbauend wird die Thermodynamik der Gemische und der chemischen Reaktionen entwickelt. Auch die thermodynamischen Aspekte wichtiger energie- und verfahrenstechnischer Anwendungen werden praxisnah behandelt: - Strömungs- und Arbeitsprozesse, - thermische Stofftrennverfahren, - Phasen- und Reaktionsgleichgewichte, - Verbrennungsprozesse und Verbrennungskraftanlagen, - thermische Kraftwerke, - Heizsysteme und Kälteanlagen. Dieses umfassende und moderne Lehrbuch bietet Studenten des Maschinenbaus und der Verfahrenstechnik ein zuverlässiges Arbeitsmittel für das Grund- und Hauptstudium. Der in Forschung und Praxis tätige Ingenieur findet hier ein Nachschlagewerk, das ihm bei der Lösung vieler Probleme hilft.

Engineering. --- Engineering Thermodynamics, Transport Phenomena. --- Industrial Chemistry/Chemical Engineering. --- Thermodynamics. --- Power Engineering. --- Chemical engineering. --- Ingénierie --- Génie chimique --- Thermodynamique --- Electric power production. --- Heat engineering. --- Heat transfer. --- Mass transfer. --- Mechanical engineering. --- Mechanical Engineering. --- Engineering Thermodynamics, Heat and Mass Transfer. --- Energy Technology. --- Energy Systems. --- Energy systems.

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This book provides concise, up-to-date and easy-to-follow information on certain aspects of an ever important research area: multiphase flow in porous media. This flow type is of great significance in many petroleum and environmental engineering problems, such as in secondary and tertiary oil recovery, subsurface remediation and CO2 sequestration. This book contains a collection of selected papers (all refereed) from a number of well-known experts on multiphase flow. The papers describe both recent and state-of-the-art modeling and experimental techniques for study of multiphase flow phenomena in porous media. Specifically, the book analyses three advanced topics: upscaling, pore-scale modeling, and dynamic effects in multiphase flow in porous media. This will be an invaluable reference for the development of new theories and computer-based modeling techniques for solving realistic multiphase flow problems. Part of this book has already been published in a journal. Audience This book will be of interest to academics, researchers and consultants working in the area of flow in porous media.

Multiphase flow. --- Porous materials. --- Transport theory. --- Boltzmann transport equation --- Transport phenomena --- Mathematical physics --- Particles (Nuclear physics) --- Radiation --- Statistical mechanics --- Porous media --- Materials --- Porosity --- Flow, Multi-phase --- Flow, Multicomponent --- Flow, Multiphase --- Flow, Polyphase --- Multi-phase flow --- Multicomponent flow --- Polyphase flow --- Fluid dynamics --- Hydraulic engineering. --- Computer science --- Geography. --- Hydrogeology. --- Hydrology/Water Resources. --- Monitoring/Environmental Analysis. --- Engineering Fluid Dynamics. --- Computational Mathematics and Numerical Analysis. --- Earth Sciences, general. --- Mathematics. --- Cosmography --- Earth sciences --- World history --- Computer mathematics --- Discrete mathematics --- Electronic data processing --- Engineering, Hydraulic --- Engineering --- Fluid mechanics --- Hydraulics --- Shore protection --- Mathematics --- Hydrology. --- Environmental monitoring. --- Fluid mechanics. --- Computer mathematics. --- Earth sciences. --- Biomonitoring (Ecology) --- Ecological monitoring --- Environmental quality --- Monitoring, Environmental --- Applied ecology --- Environmental engineering --- Pollution --- Aquatic sciences --- Hydrography --- Water --- Geohydrology --- Geology --- Hydrology --- Groundwater --- Geosciences --- Environmental sciences --- Physical sciences --- Hydromechanics --- Continuum mechanics --- Measurement --- Monitoring

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The well known transport laws of Navier-Stokes and Fourier fail for the simulation of processes on lengthscales in the order of the mean free path of a particle that is when the Knudsen number is not small enough. Thus, the proper simulation of flows in rarefied gases requires a more detailed description. This book discusses classical and modern methods to derive macroscopic transport equations for rarefied gases from the Boltzmann equation, for small and moderate Knudsen numbers, i.e. at and above the Navier-Stokes-Fourier level. The main methods discussed are the classical Chapman-Enskog and Grad approaches, as well as the new order of magnitude method, which avoids the short-comings of the classical methods, but retains their benefits. The relations between the various methods are carefully examined, and the resulting equations are compared and tested for a variety of standard problems. The book develops the topic starting from the basic description of an ideal gas, over the derivation of the Boltzmann equation, towards the various methods for deriving macroscopic transport equations, and the test problems which include stability of the equations, shock waves, and Couette flow.

Rarefied gas dynamics. --- Gaz raréfiés, Dynamique des --- Engineering. --- Mathematics. --- Statistical physics. --- Thermodynamics. --- Engineering Thermodynamics, Transport Phenomena. --- Applications of Mathematics. --- Statistical Physics. --- Physics and Applied Physics in Engineering. --- Rarefied gas dynamics --- Applied Physics --- Engineering & Applied Sciences --- Superaerodynamics --- Applied mathematics. --- Engineering mathematics. --- System theory. --- Heat engineering. --- Heat transfer. --- Mass transfer. --- Engineering Thermodynamics, Heat and Mass Transfer. --- Complex Systems. --- Engineering, general. --- Statistical Physics and Dynamical Systems. --- Fluid dynamics (Space environment) --- Gas dynamics --- Physics --- Mathematical statistics --- Chemistry, Physical and theoretical --- Dynamics --- Mechanics --- Heat --- Heat-engines --- Quantum theory --- Math --- Science --- Construction --- Industrial arts --- Technology --- Statistical methods --- Dynamical systems. --- Dynamical systems --- Kinetics --- Mathematics --- Mechanics, Analytic --- Force and energy --- Statics --- Engineering --- Engineering analysis --- Mathematical analysis --- Mass transport (Physics) --- Thermodynamics --- Transport theory --- Heat transfer --- Thermal transfer --- Transmission of heat --- Energy transfer --- Mechanical engineering

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Poromechanics is the mechanics of porous materials and is now a well established field in many engineering disciplines, ranging from Civil Engineering, Geophysics, Petroleum Engineering to Bioengineering. However, a rigorous approach that links the physics of the phenomena at stake in porous materials and the macroscopic behaviour is still missing. This book presents such an approach by means of homogenization techniques. Rigorously founded in various theories of micromechanics, these up scaling techniques are developed for the homogenization of transport properties, stiffness and strength properties of porous materials. The special feature of this book is the balance between theory and application, providing the reader with a comprehensive introduction to state-of-the-art homogenization theories and applications to a large range of real life porous materials: concrete, rocks, shales, bones, etc.

Engineering. --- Physics and Applied Physics in Engineering. --- Continuum Mechanics and Mechanics of Materials. --- Engineering Thermodynamics, Transport Phenomena. --- Structural Foundations, Hydraulic Engineering. --- Applied Geosciences. --- Biophysics/Biomedical Physics. --- Biomedical engineering. --- Materials. --- Ingénierie --- Génie biomédical --- Matériaux --- Micromechanics. --- Porous materials -- Mechanical properties. --- Porous materials. --- Porous media --- Geotechnical engineering. --- Biophysics. --- Biological physics. --- Thermodynamics. --- Heat engineering. --- Heat transfer. --- Mass transfer. --- Continuum mechanics. --- Engineering geology. --- Engineering --- Foundations. --- Hydraulics. --- Engineering, general. --- Engineering Thermodynamics, Heat and Mass Transfer. --- Geoengineering, Foundations, Hydraulics. --- Geotechnical Engineering & Applied Earth Sciences. --- Biophysics and Biological Physics. --- Geology. --- Materials --- Porosity --- Composite materials --- Solid state physics --- Microstructure --- Mechanics. --- Mechanics, Applied. --- Hydraulic engineering. --- Solid Mechanics. --- Biological and Medical Physics, Biophysics. --- Engineering, Hydraulic --- Fluid mechanics --- Hydraulics --- Shore protection --- Applied mechanics --- Engineering, Mechanical --- Engineering mathematics --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Construction --- Industrial arts --- Technology --- Engineering—Geology. --- Chemistry, Physical and theoretical --- Mechanics --- Heat --- Heat-engines --- Biological physics --- Biology --- Medical sciences --- Engineering, Geotechnical --- Geotechnics --- Geotechnology --- Engineering geology --- Flow of water --- Water --- Hydraulic engineering --- Jets --- Architecture --- Building --- Structural engineering --- Underground construction --- Caissons --- Earthwork --- Masonry --- Soil consolidation --- Soil mechanics --- Walls --- Civil engineering --- Geology, Economic --- Mass transport (Physics) --- Thermodynamics --- Transport theory --- Heat transfer --- Thermal transfer --- Transmission of heat --- Energy transfer --- Mechanical engineering --- Flow --- Distribution --- Details --- Geology