Author: Palitha Nalin Wikramanayake
Publisher:
ISBN:
Category : Continental shelf
Languages : en
Pages : 158

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Author: Hsieh Wen Shen
Publisher: Springer Science & Business Media
ISBN: 9400920814
Category : Science
Languages : en
Pages : 175

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Book Description
For centuries, physical models have been used to investigate complex hydraulic problems. Leonardo da Vinci (1452-1519) stated, "I will treat of such a subject. But first of all, 1 shall make a few experiments and then demonstrate why bodies are forced to act in this matter. " Even with the current advancements of mathematical numerical models, certain complex three-dimensional flow phenomena must still rely on physical model studies. Mathematical models cannot provide adequate solutions if physical processes involved are not completely known. Physical models are particularly attractive to investigate phenomena-involved sediment movements because many three-dimensional sediment processes are still unclear at this stage. Theoretically, there are numerous factors governing movable bed processes and it is nearly impossible to design model studies to obey all the model criteria. Sometimes, appropriate lightweight materials are difficult or too costly to obtain. Often, distorted models are used due to the limitation of available space and the requirement for greater vertical flow depth to investigate vertical differences of various parameters. The turbulence level in the model may also be maintained at a sufficient level to reproduce a similar flow pattern in the prototype. Frequently, engineers are forced to employ distorted models that cannot be designed to satisfy all governing criteria correctly. Thus each hydraulic laboratory has developed its own rules for model testing and a great deal of experience is needed to interpret model results.

Author: Philip Vitale
Publisher:
ISBN:
Category : Frictional resistance (Hydrodynamics).
Languages : en
Pages : 20

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Author: Donald Clayton Spencer
Publisher:
ISBN:
Category :
Languages : en
Pages : 44

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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 440

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Author: J. Happel
Publisher: Springer Science & Business Media
ISBN: 9400983522
Category : Science
Languages : en
Pages : 564

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Book Description
One studying the motion of fluids relative to particulate systems is soon impressed by the dichotomy which exists between books covering theoretical and practical aspects. Classical hydrodynamics is largely concerned with perfect fluids which unfortunately exert no forces on the particles past which they move. Practical approaches to subjects like fluidization, sedimentation, and flow through porous media abound in much useful but uncorrelated empirical information. The present book represents an attempt to bridge this gap by providing at least the beginnings of a rational approach to fluid particle dynamics, based on first principles. From the pedagogic viewpoint it seems worthwhile to show that the Navier-Stokes equations, which form the basis of all systematic texts, can be employed for useful practical applications beyond the elementary problems of laminar flow in pipes and Stokes law for the motion of a single particle. Although a suspension may often be viewed as a continuum for practical purposes, it really consists of a discrete collection of particles immersed in an essentially continuous fluid. Consideration of the actual detailed boundary value problems posed by this viewpoint may serve to call attention to the limitation of idealizations which apply to the overall transport properties of a mixture of fluid and solid particles.

Author: Thomas Maddock
Publisher:
ISBN:
Category : Channels (Hydraulic engineering).
Languages : en
Pages : 80

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Author: R. Blazejewski
Publisher: CRC Press
ISBN: 9789054101963
Category : Akarsu mühendisliği
Languages : en
Pages : 658

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Book Description
This text covers river training techniques. Divided into two parts, it discusses properties of rivers and fundamentals of river engineering and flood protection.

Author: Efstathios Michaelides
Publisher: CRC Press
ISBN: 1498701019
Category : Science
Languages : en
Pages : 1421

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Book Description
The Multiphase Flow Handbook, Second Edition is a thoroughly updated and reorganized revision of the late Clayton Crowe’s work, and provides a detailed look at the basic concepts and the wide range of applications in this important area of thermal/fluids engineering. Revised by the new editors, Efstathios E. (Stathis) Michaelides and John D. Schwarzkopf, the new Second Edition begins with two chapters covering fundamental concepts and methods that pertain to all the types and applications of multiphase flow. The remaining chapters cover the applications and engineering systems that are relevant to all the types of multiphase flow and heat transfer. The twenty-one chapters and several sections of the book include the basic science as well as the contemporary engineering and technological applications of multiphase flow in a comprehensive way that is easy to follow and be understood. The editors created a common set of nomenclature that is used throughout the book, allowing readers to easily compare fundamental theory with currently developing concepts and applications. With contributed chapters from sixty-two leading experts around the world, the Multiphase Flow Handbook, Second Edition is an essential reference for all researchers, academics and engineers working with complex thermal and fluid systems.

Author: Ben Chie Yen
Publisher: Water Resources Publication
ISBN: 9780918334725
Category : Science
Languages : en
Pages : 466

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Book Description