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Tunnels and Underground Structures: Proceedings Tunnels & Underground Structures, Singapore 2000
by Jian Zhao, J.Nicholas Shirlaw & Rajan KrishnanThis text describes topics discussed at the conference, including: tunnelling and construction in soft ground and rocks; geological investigations; tunnelling machines; planning for underground infrastructure; safety issues and environmental and social aspects of underground development.
Turbine Blade Investment Casting Die Technology
by Dinghua Zhang Yunyong Cheng Ruisong Jiang Neng WanFocusing on the theory and techniques of digital design and manufacturing for turbine blade investment casting, this book systematically summarizes the advances in applications in this field. It describes advanced digital design theory and methods and provides practical technical references for investment casting die design and manufacturing. The theories, methods and cases presented here are largely derived from the author's practical engineering experience and the research he and his team have carried out since the 1990s. It includes academic papers, technical reports and patent literature, and provides a valuable guide to engineers involved in the die-design process. Given its comprehensive coverage, the book makes a significant contribution to investment-casting die design and aero-engine blade manufacturing, while at the same time promoting the development of aero-engine manufacturing technologies
Turbo Coding, Turbo Equalisation and Space-Time Coding
by Soon Xin Ng R. Y. Tee T. H. Liew Lajos L. Hanzo B. L. YeapCovering the full range of channel codes from the most conventional through to the most advanced, the second edition of Turbo Coding, Turbo Equalisation and Space-Time Coding is a self-contained reference on channel coding for wireless channels. The book commences with a historical perspective on the topic, which leads to two basic component codes, convolutional and block codes. It then moves on to turbo codes which exploit iterative decoding by using algorithms, such as the Maximum-A-Posteriori (MAP), Log-MAP and Soft Output Viterbi Algorithm (SOVA), comparing their performance. It also compares Trellis Coded Modulation (TCM), Turbo Trellis Coded Modulation (TTCM), Bit-Interleaved Coded Modulation (BICM) and Iterative BICM (BICM-ID) under various channel conditions.The horizon of the content is then extended to incorporate topics which have found their way into diverse standard systems. These include space-time block and trellis codes, as well as other Multiple-Input Multiple-Output (MIMO) schemes and near-instantaneously Adaptive Quadrature Amplitude Modulation (AQAM). The book also elaborates on turbo equalisation by providing a detailed portrayal of recent advances in partial response modulation schemes using diverse channel codes.A radically new aspect for this second edition is the discussion of multi-level coding and sphere-packing schemes, Extrinsic Information Transfer (EXIT) charts, as well as an introduction to the family of Generalized Low Density Parity Check codes.This new edition includes recent advances in near-capacity turbo-transceivers as well as new sections on multi-level coding schemes and of Generalized Low Density Parity Check codesComparatively studies diverse channel coded and turbo detected systems to give all-inclusive information for researchers, engineers and students Details EXIT-chart based irregular transceiver designs Uses rich performance comparisons as well as diverse near-capacity design examples
Turbo Message Passing Algorithms for Structured Signal Recovery (SpringerBriefs in Computer Science)
by Xiaojun Yuan Zhipeng XueThis book takes a comprehensive study on turbo message passing algorithms for structured signal recovery, where the considered structured signals include 1) a sparse vector/matrix (which corresponds to the compressed sensing (CS) problem), 2) a low-rank matrix (which corresponds to the affine rank minimization (ARM) problem), 3) a mixture of a sparse matrix and a low-rank matrix (which corresponds to the robust principal component analysis (RPCA) problem). The book is divided into three parts. First, the authors introduce a turbo message passing algorithm termed denoising-based Turbo-CS (D-Turbo-CS). Second, the authors introduce a turbo message passing (TMP) algorithm for solving the ARM problem. Third, the authors introduce a TMP algorithm for solving the RPCA problem which aims to recover a low-rank matrix and a sparse matrix from their compressed mixture. With this book, we wish to spur new researches on applying message passing to various inference problems. Provides an in depth look into turbo message passing algorithms for structured signal recoveryIncludes efficient iterative algorithmic solutions for inference, optimization, and satisfaction problems through message passingShows applications in areas such as wireless communications and computer vision
Turbomachinery Fluid Dynamics and Heat Transfer: Based On The Proceedings Of The Symposium Held At The Pennsylvania State University, University Park, Pennsylvania, June 13-14, 1995 : On The Occasion Of Dr. B. Lakshminarayana's 60th Birthday (Mechanical Engineering Ser. #110)
by HahThis festschrift in honor of Professor Budugur Lakshminarayana's 60th birthday-based on the proceedings of a symposium on Turbomachinery Fluid Dynamics and Heat Transfer held recently at The Pennsylvania State University, University Park-provides authoritative and conclusive research results as well as new insights into complex flow features found in the turbomachinery used for propulsion, power, and industrial applications.Explaining in detail compressors, heat transfer fields in turbines, computational fluid dynamics, and unsteady flows, Turbomachinery Fluid Dynamics and Heat Transfer covers:Mixing mechanisms, annulus wall boundary layers, and the flow field in transonic turbocompressorsThe numerical implementation of turbulence models in a computer codeSecondary flows, film cooling, and thermal turbulence modelingThe visualization method of modeling using liquid crystalsInnovative techniques in the computational modeling of compressor and turbine flowsmeasurement in unsteady flows as well as axial flows and compressor noise generationAnd much moreGenerously illustrated and containing key bibliographic citations, Turbomachinery Fluid Dynamics and Heat Transfer is an indispensable resource for mechanical, design, aerospace, marine, manufacturing, materials, industrial, and reliability engineers; and upper-level undergraduate and graduate students in these disciplines.
Turbomachinery: Basic Theory and Applications, Second Edition (Mechanical Engineering)
by Earl Logan Jr."This entirely updated and enlarged Second Edition broadens the scope of the previous edition while maintaining its concise, easy-to-read style in presenting the basic principles of turbomachine theory and its application to specific devices -- providing immediately useful step-by-step procedures that show how the essentials of turbomachinery are a
Turbomachinery: Concepts, Applications, and Design
by V. Dakshina MurtyTurbomachinery: Concepts, Applications, and Design is an introductory turbomachinery textbook aimed at seniors and first year graduate students, giving balanced treatment of both the concepts and design aspects of turbomachinery, based on sound analysis and a strong theoretical foundation. The text has three sections, Basic Concepts, Incompressible Fluid Machines; and Compressible Fluid Machines. Emphasis is on straightforward presentation of key concepts and applications, with numerous examples and problems that clearly link theory and practice over a wide range of engineering areas. Problem solutions and figure slides are available for instructors adopting the text for their classes.
Turbomachinery: Design and Theory (Mechanical Engineering)
by Rama S.R. Gorla Aijaz A. KhanTurbomachinery presents the theory and design of turbomachines with step-by-step procedures and worked-out examples. This comprehensive reference emphasizes fundamental principles and construction guidelines for enclosed rotators and contains end-of-chapter problem and solution sets, design formulations, and equations for clear understanding of key
Turbomachinery: Fundamentals, Selection and Preliminary Design (Springer Tracts in Mechanical Engineering)
by Marco Gambini Michela VelliniThis book presents a selection of preliminary sizing procedures for turbomachinery. Applicable to both conventional and non-conventional fluids, these procedures enable users to optimize the kinematics, thermodynamics and geometry of the turbomachinery (in the preliminary design phase) using geometric correlations and losses models; to accurately predict the efficiency of turbomachinery – in most cases, in excellent agreement with CFD calculations; and to consistently analyze all turbomachines (axial and radial turbines, axial and centrifugal compressors, centrifugal pumps). The book is intended for bachelor's and master's students in industrial, mechanical and energy engineering, as well as researchers and professionals in the energy systems and turbomachinery sectors, guiding them step by step through the first sizing of turbomachines and the verification of the technological feasibility of turbomachines designed for new conversion systems operating with unconventional fluids.
Turbulence
by John J. NanceA planeload of enraged passengers declares mutiny when their captain makes an emergency landing in the middle of a war zone in this action-packed thriller from New York Times–bestselling author John J. Nance In a desperate attempt to cut costs, Meridian Airlines has given up on any pretense of customer service. The passengers on Meridian Flight Six from Boston to Cape Town are fed up with hours-long delays, uncomfortable cabin conditions, and rude airline personnel. But Brian Logan is more than a disgruntled passenger: He believes Meridian killed his wife and he&’s about to take revenge by lighting the fuse of disaster. When Capt. Phil Knight makes a forced landing in a hotbed of insurgents in Nigeria, he&’s facing more than a rebel firefight. Violence erupts inside the cabin as Logan leads the passengers in a revolt. But with the loss of radio contact, the civilians don&’t realize that NATO and the CIA believe their plane has been hijacked by terrorists and must be taken down.
Turbulence Models and Their Application in Hydraulics (Iahr Monographs)
by Wolfgang RodiThis book provides an introduction to the subject of turbulence modelling in a form easy to understand for anybody with a basic background in fluid mechanics, and it summarizes the present state of the art. Individual models are described and examined for the merits and demerits which range from the simple Prandtl mixing length theory to complex second order closure schemes.
Turbulence and Interactions
by Michel O. Deville Vincent Couaillier Jean-Luc Estivalezes Vincent Gleize Thiên Hiêplê Marc Terracol Stéphane VincentThe Turbulence and Interactions 2009 (TI2009) conference was held in Saint- Luce on the island of La Martinique, France, on May 31-June 5, 2009. The sci- tific sponsors of the conference were DGA Ecole Polytechnique Federale de Lausanne (EPFL), ERCOFTAC: European Research Community on Flow, Turbulence and Combustion, Institut Jean Le Rond d Alembert, Paris, ONERA. This second TI conference was very successful as it attracted 65 researchers from 17 countries. The magnificent venue and the beautiful weather helped the participants to discuss freely and casually, share ideas and projects, and spend very good times all together. The organisers were fortunate in obtaining the presence of the following - vited speakers: L. Fuchs (KTH, Stockholm and Lund University), J. Jimenez (Univ. Politecnica Madrid), C. -H. Moeng (NCAR), A. Scotti (University of North Carolina), L. Shen (Johns Hopkins University) and A. J. Smits (Princeton Univ- sity). The topics covered by the 62 contributed papers ranged from experimental results through theory to computations. They represent a snapshot of the state-- the-art in turbulence research. The papers of the conference went through the usual reviewing process and the result is given in this book of Proceedings. In the present volume, the reader will find the keynote lectures followed by the contributed talks given in alphabetical order of the first author. "
Turbulence and Interactions: Proceedings of the TI 2018 Conference, June 25-29, 2018, Les Trois-Îlets, Martinique, France (Notes on Numerical Fluid Mechanics and Multidisciplinary Design #149)
by Michel Deville Vincent Couaillier Stéphane Vincent Christophe Calvin Marta De La Llave Plata Jean-Luc Estivalèzes Thiên Hiêp LêThis book presents a snapshot of the state-of-art in the field of turbulence modeling, with an emphasis on numerical methods. Topics include direct numerical simulations, large eddy simulations, compressible turbulence, coherent structures, two-phase flow simulation and many more. It includes both theoretical contributions and experimental works, as well as chapters derived from keynote lectures, presented at the fifth Turbulence and Interactions Conference (TI 2018), which was held on June 25-29 in Martinique, France. This multifaceted collection, which reflects the conference´s emphasis on the interplay of theory, experiments and computing in the process of understanding and predicting the physics of complex flows and solving related engineering problems, offers a timely guide for students, researchers and professionals in the field of applied computational fluid dynamics, turbulence modeling and related areas.
Turbulence in Open Channel Flows (IAHR Books)
by IEHISA NEZU & HIROJI NAKAGAWAA review of open channel turbulence, focusing especially on certain features stemming from the presence of the free surface and the bed of a river. Part one presents the statistical theory of turbulence; Part two addresses the coherent structures in open-channel flows and boundary layers.
Turbulence in Open Channels and River Flows
by Michio SanjouThis book is a monograph on the open-channel turbulence. Former part covers the basic characteristics including derivation of governing equations. The latter part focuses on various topics related to environmental management and disaster problem in river turbulence. The turbulent flow is a momentary phenomenon, but there are also organized motions, not just random. How to feedback this fundamental knowledge to the practice of hydraulic engineering including mass and sediment transport is a big issue. This book explains in detail the basic points and various specific problems of river turbulence in order for abecedarians to easily learn for themselves. By including application examples, the understanding of readers is more deepened. In addition, it also outlines the methods of hydraulics experiments and turbulence measurements. So, it will be very useful for readers themselves to measure turbulence with their own hands in future. It is intended for a wide range of readers, from students studying hydraulics to graduate students who want to know more about the essence of phenomena, and engineers using it as a reference for hydraulic works and practice.
Turbulence: A Fundamental Approach for Scientists and Engineers (Mechanical Engineering Series)
by Amir A. AliabadiThis textbook explains turbulent flows using an introductory but fundamental approach to teaching the core principles, striking a balance between theoretical and practical aspects of the topic without overwhelming the reader with mathematical detail. It is aimed at students in various engineering disciplines—mechanical, civil, environmental—and the geosciences. It is divided in five parts. Part 1 provides the fundamentals of turbulence, main hypotheses, and analysis tools; Part 2 illustrates various measurement techniques used to study turbulent flows; Part 3 explains the modelling and simulation frameworks to study turbulent flows; Part 4 describes brief applications of turbulence in engineering and sciences; and Part 5 presents basic statistical, mathematical, and numerical tools. Elucidates the theory behind turbulence in a concise yet rigorous manner Combines theoretical, computational, experimental, and applied aspects of the topic Reinforces concepts with practice problems at the end of each chapter Provides brief chapters on statistics, mathematics, and numerical techniques
Turbulence—an Odyssey: Origins and Evolution of a Research Field at the Interface of Science and Engineering (History of Physics)
by Michael EckertTurbulence is a research field where high expectations have met with recurrent frustration. It is a common perception among physicists, mathematicians and engineers that there is a "big mystery" behind the phenomenon of turbulence. Its history has also remained anything but well researched. Unlike topics such as quantum theory, which began to attract physics historians as long as fifty years ago, turbulence has - until now - received only little professional historical investigation. In this book, which complements his earlier SpringerBrief "The Turbulence Problem", the author sketches the history of turbulence from the vantage point of its roots (Part I), the basic concepts (Part II) and the formation of a scientific community that regarded turbulence as a research field in its own right (Part III). From this perspective turbulence research appears to undertake an odyssey through uncharted territories. The book follows this development up until a conference in Marseille in the year 1961, which marked the inauguration of turbulence in the words of its organizer as “a new science”. The epilogue contains some observations about turbulence research since 1961. This book provides a rich source of information for all those interested in the history of this major field of basic and applied science.
Turbulent Cascades II: Proceedings of the Euromech-ERCOFTAC Colloquium 589 (ERCOFTAC Series #26)
by Mikhael Gorokhovski Fabien S. GodeferdGathering contributions by the most prominent researchers in a highly specialised field, this proceedings volume clarifies selected aspects of the physics of turbulent cascades and their statistical universalities under complex stationary and non-homogeneous conditions. Here, these conditions are induced by the presence of a gas/liquid interface, inertial particles, strong shear, rotation, MHD and stratification. By proposing different ways to model turbulence effects under these complex conditions, the book will be of considerable interest not only to academic researchers, but also to specialists and junior researchers in the domain of propulsion and power, as well as those whose work involves various applications related to atmospheric, oceanic and planetary physics.
Turbulent Fluid Flow
by Peter S. BernardA guide to the essential information needed to model and compute turbulent flows and interpret experiments and numerical simulations Turbulent Fluid Flow offers an authoritative resource to the theories and models encountered in the field of turbulent flow. In this book, the author – a noted expert on the subject – creates a complete picture of the essential information needed for engineers and scientists to carry out turbulent flow studies. This important guide puts the focus on the essential aspects of the subject – including modeling, simulation and the interpretation of experimental data - that fit into the basic needs of engineers that work with turbulent flows in technological design and innovation. Turbulent Fluid Flow offers the basic information that underpins the most recent models and techniques that are currently used to solve turbulent flow challenges. The book provides careful explanations, many supporting figures and detailed mathematical calculations that enable the reader to derive a clear understanding of turbulent fluid flow. This vital resource: • Offers a clear explanation to the models and techniques currently used to solve turbulent flow problems • Provides an up-to-date account of recent experimental and numerical studies probing the physics of canonical turbulent flows • Gives a self-contained treatment of the essential topics in the field of turbulence • Puts the focus on the connection between the subject matter and the goals of fluids engineering • Comes with a detailed syllabus and a solutions manual containing MATLAB codes, available on a password-protected companion website Written for fluids engineers, physicists, applied mathematicians and graduate students in mechanical, aerospace and civil engineering, Turbulent Fluid Flow contains an authoritative resource to the information needed to interpret experiments and carry out turbulent flow studies.
Turbulent Fluid Motion
by R. DeisslerThis comprehensive book is based on the Navier-Stokes and other continuum equations for fluids. It interprets the analytical and numerical solutions of the equations of fluid motion. Topics included are turbulence, and how, why, and where it occurs; mathematical apparatus used for the representation and study of turbulence; continuum equations used for the analysis of turbulence; ensemble, time, and space averages as they are applied to turbulent quantities; the closure problem of the averaged equations and possible closure schemes; Fourier analysis and the spectral form of the continuum equations, both averaged and unaveraged; nonlinear dynamics and chaos theory.
Turbulent Impinging Jets into Porous Materials
by Marcelo J.S. de LemosThis short book deals with the mathematical modeling of jets impinging porous media. It starts with a short introduction to models describing turbulences in porous media as well as turbulent heat transfer. In its main part, the book presents the heat transfer of impinging jets using a local and a non-local thermal equilibrium approach.
Turbulente Strömungen: Einführung in die Physik eines Jahrhundertproblems (essentials)
by Heinz HerwigHeinz Herwig zeigt, dass turbulente Strömungen in Natur, Technik und im Alltag die Regel sind und nicht etwa die Ausnahme. Nicht zuletzt ist dies einer der Gründe, warum man sich mit der Physik turbulenter Strömungen befassen sollte. Dies geschieht hier anhand theoretischer und praktischer Fragestellungen. Turbulenz ist in diesem essential nicht als eigenständiges Phänomen gemeint, sondern tritt im Zusammenhang mit Strömungen von gasförmigen oder flüssigen Medien auf.
Turfgrass and Landscape Irrigation Water Quality: Assessment and Management
by Ronny R. Duncan Robert Carrow Michael T. HuckWith the increased use of alternative irrigation water sources on turfgrass and landscape sites, their management is becoming more complex and whole ecosystems-oriented. Yet few turfgrass managers have received formal training in the intricacies of irrigation water. Turfgrass and Landscape Irrigation Water Quality: Assessment and Management provide
Turing's Cathedral
by George Dyson"It is possible to invent a single machine which can be used to compute any computable sequence," twenty-four-year-old Alan Turing announced in 1936. In Turing's Cathedral, George Dyson focuses on a small group of men and women, led by John von Neumann at the Institute for Advanced Study in Princeton, New Jersey, who built one of the first computers to realize Alan Turing's vision of a Universal Machine. Their work would break the distinction between numbers that mean things and numbers that do things--and our universe would never be the same. Using five kilobytes of memory (the amount allocated to displaying the cursor on a computer desktop of today), they achieved unprecedented success in both weather prediction and nuclear weapons design, while tackling, in their spare time, problems ranging from the evolution of viruses to the evolution of stars. Dyson's account, both historic and prophetic, sheds important new light on how the digital universe exploded in the aftermath of World War II. The proliferation of both codes and machines was paralleled by two historic developments: the decoding of self-replicating sequences in biology and the invention of the hydrogen bomb. It's no coincidence that the most destructive and the most constructive of human inventions appeared at exactly the same time. How did code take over the world? In retracing how Alan Turing's one-dimensional model became John von Neumann's two-dimensional implementation, Turing's Cathedral offers a series of provocative suggestions as to where the digital universe, now fully three-dimensional, may be heading next.
Turing's Legacy: Developments from Turing's Ideas in Logic
by Rod DowneyAlan Turing was an inspirational figure who is now recognised as a genius of modern mathematics. In addition to leading the Allied forces' code-breaking effort at Bletchley Park in World War II, he proposed the theoretical foundations of modern computing and anticipated developments in areas from information theory to computer chess. His ideas have been extraordinarily influential in modern mathematics and this book traces such developments by bringing together essays by leading experts in logic, artificial intelligence, computability theory and related areas. Together, they give insight into this fascinating man, the development of modern logic, and the history of ideas. The articles within cover a diverse selection of topics, such as the development of formal proof, differing views on the Church–Turing thesis, the development of combinatorial group theory, and Turing's work on randomness which foresaw the ideas of algorithmic randomness that would emerge many years later.