Turbulent Coherent Structures Secondary Currents And Sediment Ridges

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Turbulent coherent structures, Secondary currents and Sediment ridges

Author : Scherer, Markus Maximilian
Publisher : KIT Scientific Publishing
ISBN 13 : 3731513188
Total Pages : 348 pages
Book Rating : 4.7/5 (315 download)

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Book Synopsis Turbulent coherent structures, Secondary currents and Sediment ridges by : Scherer, Markus Maximilian

Download or read book Turbulent coherent structures, Secondary currents and Sediment ridges written by Scherer, Markus Maximilian and published by KIT Scientific Publishing. This book was released on 2024-06-19 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: The origin of secondary currents and subaqueous sediment patterns in natural rivers is analysed from first principles. For this purpose, simulations of sediment transport in canonical turbulent open channel flows are performed using a numerical technique that resolves all relevant flow scales and the dynamics of the individual sand grains. The high-fidelity datasets reveal the fundamental importance of individual coherent structures for the development of sediment patterns and secondary flows.

Turbulent Coherent Structures, Secondary Currents and Sediment Ridges

Author : Markus Scherer
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)

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Book Synopsis Turbulent Coherent Structures, Secondary Currents and Sediment Ridges by : Markus Scherer

Download or read book Turbulent Coherent Structures, Secondary Currents and Sediment Ridges written by Markus Scherer and published by . This book was released on 2022* with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Coherent Flow Structures at Earth's Surface

Author : Jeremy G. Venditti
Publisher : John Wiley & Sons
ISBN 13 : 1118527194
Total Pages : 586 pages
Book Rating : 4.1/5 (185 download)

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Book Synopsis Coherent Flow Structures at Earth's Surface by : Jeremy G. Venditti

Download or read book Coherent Flow Structures at Earth's Surface written by Jeremy G. Venditti and published by John Wiley & Sons. This book was released on 2013-08-28 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: An expert review of recent progress in the study of turbulent flows with a focus on recently identified organized structures. This book reviews the recent progress in the study of the turbulent flows that sculpt the Earth’s surface, focusing in particular on the organized structures that have been identified in recent years within turbulent flows. These coherent flow structures can include eddies or vortices at the scale of individual grains, through structures that scale with the flow depth in rivers or estuaries, to the large-scale structure of flows at the morphological or landform scale. These flow structures are of wide interest to the scientific community because they play an important role in fluid dynamics and influence the transport, erosion and deposition of sediment and pollutants in a wide variety of fluid flow environments. Scientific knowledge of these structures has improved greatly over the past 20 years as computational fluid dynamics has come to play an increasing important part in building our understanding of coherent flow structures across a broad range of scales. Chapters comprise a series of major, invited papers and a selection of the most novel, innovative papers presented at the second Coherent Flow Structures Conference held August 3-5, 2011 at Simon Fraser University in Burnaby, British Columbia. Chapters focus on six major themes: Dynamics of coherent flow structures (CFS) in geophysical flows Interaction of turbulent flows, vegetation and ecological habitats Coherent structure of atmospheric flows Numerical modeling of coherent flow structures Turbulence in open channel flows Coherent flow structures, sediment transport and morphological feedbacks.

A hydrodynamical perspective on the turbulent transport of bacteria in rivers

Author : Krayer, Michael Werner Tobias
Publisher : KIT Scientific Publishing
ISBN 13 : 3731513102
Total Pages : 290 pages
Book Rating : 4.7/5 (315 download)

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Book Synopsis A hydrodynamical perspective on the turbulent transport of bacteria in rivers by : Krayer, Michael Werner Tobias

Download or read book A hydrodynamical perspective on the turbulent transport of bacteria in rivers written by Krayer, Michael Werner Tobias and published by KIT Scientific Publishing. This book was released on 2023-09-11 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: The transport of bacteria in turbulent river-like environments is addressed, where bacterial populations are frequently encountered attached to solids. This transport mode is investigated by studying the transient settling of heavy particles in turbulent channel flows featuring sediment beds. A numerical method is used to fully resolve turbulence and finite-size particles, which enables the assessment of the complex interplay between flow structures, suspended solids and river sediment.

Coherent Flow Structures in Open Channels

Author : Phil Ashworth
Publisher :
ISBN 13 :
Total Pages : 784 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Coherent Flow Structures in Open Channels by : Phil Ashworth

Download or read book Coherent Flow Structures in Open Channels written by Phil Ashworth and published by . This book was released on 1996-05-06 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coherent Flow Structures in Open Channels presents the first integrated treatment, across a wide range of spatial and temporal scales, of the origins and characteristics of coherent fluid motions and their influence on sediment transport and bed morphology. This book contains contributions from an international and interdisciplinary authorship who are responsible for many of the recent advances in geophysical boundary layer research. Coherent flow structures are examined systematically across a range of scales from flat-bed boundary layers, grain and bedform roughness generated structures through to the largest scales, where structures may be associated with bars, meander bends and channel confluences. The book is broadly organized according to the spatial scales of coherent flow structures and presents a treatise on the study of these motions from theoretical, experimental and field-based approaches. These papers describe the origins, evolution and characteristics of coherent flow structures and the control which they may impart on sediment transport, both as a bed and suspended load, and ultimately on channel morphology. The book also highlights future research themes required to advance the interdisciplinary understanding of these complex, yet ubiquitous, natural flows. The research presented here will find applications within many fields, including geomorphology, sedimentology, the physical and numerical modelling of two-phase flows, environmental fluid and sediment dynamics and river engineering.

Sediment Transport Dynamics

Author : Weiming Wu
Publisher : CRC Press
ISBN 13 : 1000936740
Total Pages : 669 pages
Book Rating : 4.0/5 (9 download)

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Book Synopsis Sediment Transport Dynamics by : Weiming Wu

Download or read book Sediment Transport Dynamics written by Weiming Wu and published by CRC Press. This book was released on 2023-11-21 with total page 669 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the fundamentals of sediment transport in surface waters. It covers sediment properties, open channel flows, sediment particle settling, incipient motion, bed forms, bed load, suspended load, total load, cohesive sediments, water-sediment two-phase flows, hyperconcentrated flows, debris flows, wave-induced sediment transport, turbidity currents, and physical modeling. Besides the primary context of river sedimentation, this book extensively covers sediment transport under coexisting waves and currents in coasts and estuaries, hyperconcentrated and debris flows in rivers, as well as turbidity currents in lakes, reservoirs, channels, and the ocean. It includes a chapter on the water-sediment two-phase flow theory, which is considered the basis of many sediment transport models. It introduces some special topics have that emerged in recent years, such as the transport of mixed cohesive and noncohesive sediments, biofilm-coated sediments, and infiltrated sand within gravel and cobble beds. The text merges classical and new knowledge of sediment transport from various sources in English and non-English literature and includes important contributions made by many scientists and engineers from all over the world. It balances the breadth, depth, fundamental importance, practical applicability, and future advancement of the covered knowledge, and can be used as a text and reference book. The chapters are arranged in a useful sequence for teaching purposes. Certain homework problems are prepared, which also highlight the important topics for instructors to select. Solutions to homework problems are available from the author by request.

Turbulent Flows

Author : G. Biswas
Publisher : CRC Press
ISBN 13 : 9780849310140
Total Pages : 478 pages
Book Rating : 4.3/5 (11 download)

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Book Synopsis Turbulent Flows by : G. Biswas

Download or read book Turbulent Flows written by G. Biswas and published by CRC Press. This book was released on 2002 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book allows readers to tackle the challenges of turbulent flow problems with confidence. It covers the fundamentals of turbulence, various modeling approaches, and experimental studies. The fundamentals section includes isotropic turbulence and anistropic turbulence, turbulent flow dynamics, free shear layers, turbulent boundary layers and plumes. The modeling section focuses on topics such as eddy viscosity models, standard K-E Models, Direct Numerical Stimulation, Large Eddy Simulation, and their applications. The measurement of turbulent fluctuations experiments in isothermal and stratified turbulent flows are explored in the experimental methods section. Special topics include modeling of near wall turbulent flows, compressible turbulent flows, and more.

Turbulence in Open Channel Flows

Author : Hiroji Nakagawa
Publisher : Routledge
ISBN 13 : 1351406604
Total Pages : 287 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Turbulence in Open Channel Flows by : Hiroji Nakagawa

Download or read book Turbulence in Open Channel Flows written by Hiroji Nakagawa and published by Routledge. This book was released on 2017-10-02 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: A 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.

Gravel Bed Rivers

Author : Michael Church
Publisher : John Wiley & Sons
ISBN 13 : 1119954258
Total Pages : 605 pages
Book Rating : 4.1/5 (199 download)

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Book Synopsis Gravel Bed Rivers by : Michael Church

Download or read book Gravel Bed Rivers written by Michael Church and published by John Wiley & Sons. This book was released on 2012-02-10 with total page 605 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gravel-Bed Rivers: Processes, Tools, Environments presents a definitive review of current knowledge of gravel-bed rivers, derived from the 7th International Gravel-bed Rivers Workshop, the 5-yearly meeting of the world’s leading authorities in the field. Each chapter in the book has been specifically commissioned to represent areas in which recent progress has been made in the field. The topics covered also represent a coherent progression through the principal areas of the subject (hydraulics; sediment transport; river morphology; tools and methods; applications of science). Definitive review of the current knowledge of gravel-bed rivers Coverage of both fundamental and applied topics Edited by leading academics with contributions from key researchers Thoroughly edited for quality and consistency to provide coherent and logical progression through the principal areas of the subject.

Sedimentology and Sedimentary Basins

Author : Mike R. Leeder
Publisher : John Wiley & Sons
ISBN 13 : 1444311409
Total Pages : 621 pages
Book Rating : 4.4/5 (443 download)

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Book Synopsis Sedimentology and Sedimentary Basins by : Mike R. Leeder

Download or read book Sedimentology and Sedimentary Basins written by Mike R. Leeder and published by John Wiley & Sons. This book was released on 2009-04-01 with total page 621 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sedimentology is a core discipline of earth and environmental sciences. It enquires the origins, transport and deposition of mineral sediment on the Earth's surface. The subject is a link between positive effects arising from the building of relief by tectonics and the negative action of denudation in drainage catchments and tectonic subsidence in sedimentary basins. The author addresses the principles of the subject, emphasising the advantages of a general science approach and the importance of understanding modern processes. Sedimentology and Sedimentary Basins is not an encyclopaedia, but attempts to stimulate interdisciplinary thought across the whole subject area and related disciplines. The book has been designed to meet the needs of earth and environmental science undergraduates.

Handbook of Environmental Fluid Dynamics, Two-Volume Set

Author : Harindra Joseph Fernando
Publisher : CRC Press
ISBN 13 : 1466591145
Total Pages : 1222 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Handbook of Environmental Fluid Dynamics, Two-Volume Set by : Harindra Joseph Fernando

Download or read book Handbook of Environmental Fluid Dynamics, Two-Volume Set written by Harindra Joseph Fernando and published by CRC Press. This book was released on 2012-12-11 with total page 1222 pages. Available in PDF, EPUB and Kindle. Book excerpt: With major implications for applied physics, engineering, and the natural and social sciences, the rapidly growing area of environmental fluid dynamics focuses on the interactions of human activities, environment, and fluid motion. A landmark for the field, this two-volume Handbook of Environmental Fluid Dynamics presents the basic principles, fund

Handbook of Environmental Fluid Dynamics, Volume Two

Author : Harindra Joseph Fernando
Publisher : CRC Press
ISBN 13 : 1466556048
Total Pages : 577 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Handbook of Environmental Fluid Dynamics, Volume Two by : Harindra Joseph Fernando

Download or read book Handbook of Environmental Fluid Dynamics, Volume Two written by Harindra Joseph Fernando and published by CRC Press. This book was released on 2012-12-12 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: With major implications for applied physics, engineering, and the natural and social sciences, the rapidly growing area of environmental fluid dynamics focuses on the interactions of human activities, environment, and fluid motion. A landmark for the field, the two-volume Handbook of Environmental Fluid Dynamics presents the basic principles, funda

Turbulence

Author : N. J. Clifford
Publisher :
ISBN 13 :
Total Pages : 386 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Turbulence by : N. J. Clifford

Download or read book Turbulence written by N. J. Clifford and published by . This book was released on 1993-12-07 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulence: Perspectives on Flow and Sediment Transport outlines the fundamental principles of the measurement and analysis of turbulent flow and sediment transport. It reviews laboratory work over the last three decades on near-boundary flow structure, as well as providing more recent research dealing with the high frequency monitoring and modelling of sediment transport. The research sections address aspects of turbulence characteristics and sediment behaviour in fluvial, tidal and aeolian boundary layers. Throughout, emphasis is upon the practicalities of measurement and modelling under field conditions. The effects of roughness transitions are extensively discussed and some of the most popular instrumentation is reviewed. This book brings together contributions from twenty researchers worldwide from many disciplines connected with earth sciences, engineering and fluid dynamics, providing both review material and some of the latest research into the small-scale interactions of turbulence and sediment transport in geophysical boundary layers. The book is ideally suited to a wide audience, from advanced undergraduate level onwards.

Biogeochemistry of Inland Waters

Author : Gene E. Likens
Publisher : Academic Press
ISBN 13 : 0123819970
Total Pages : 745 pages
Book Rating : 4.1/5 (238 download)

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Book Synopsis Biogeochemistry of Inland Waters by : Gene E. Likens

Download or read book Biogeochemistry of Inland Waters written by Gene E. Likens and published by Academic Press. This book was released on 2010-05-20 with total page 745 pages. Available in PDF, EPUB and Kindle. Book excerpt: A derivative of the Encyclopedia of Inland Waters, Biogeochemistry of Inland Waters examines the transformation, flux and cycling of chemical compounds in aquatic and terrestrial ecosystems, combining aspects of biology, ecology, geology, and chemistry. Because the articles are drawn from an encyclopedia, they are easily accessible to interested members of the public, such as conservationists and environmental decision makers. This derivative text describes biogeochemical cycles of organic and inorganic elements and compounds in freshwater ecosystems

Advances In Hydraulics And Water Engineering: Volumes I & Ii - Proceedings Of The 13th Iahr-apd Congress

Author : John Junke Guo
Publisher : World Scientific
ISBN 13 : 981448797X
Total Pages : 1152 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Advances In Hydraulics And Water Engineering: Volumes I & Ii - Proceedings Of The 13th Iahr-apd Congress by : John Junke Guo

Download or read book Advances In Hydraulics And Water Engineering: Volumes I & Ii - Proceedings Of The 13th Iahr-apd Congress written by John Junke Guo and published by World Scientific. This book was released on 2002-07-18 with total page 1152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a wide range of recent advances in hydraulics and water engineering. It contains four sections: hydraulics and open channel flow; hydrology, water resources management and hydroinformatics; maritime hydraulics; ecohydraulics and water quality management. World authorities such as Mike Abbot, I Nezu, A J Metha, M Garcia and P Y Julien have contributed to the book.

Mesoscale/Synoptic Coherent Structures in Geophysical Turbulence

Author : B.M. Jamart
Publisher : Elsevier
ISBN 13 : 9780080870885
Total Pages : 840 pages
Book Rating : 4.8/5 (78 download)

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Book Synopsis Mesoscale/Synoptic Coherent Structures in Geophysical Turbulence by : B.M. Jamart

Download or read book Mesoscale/Synoptic Coherent Structures in Geophysical Turbulence written by B.M. Jamart and published by Elsevier. This book was released on 1989-07-01 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 20th Liège Colloquium was particularly well attended and these proceedings demonstrate the significant progress achieved in understanding, modelling, and observing geostrophic and near-geostrophic turbulence. The book contains more than 50 review papers and original contributions covering most aspects of the field of mesoscale/synoptic coherent structures in geophysical (oceanographic) turbulence. The properties of isolated vortices (generation, evolution, decay), their interactions with other vortices, with larger scale currents and/or with topography are investigated theoretically and by means of numerical and physical models. Observation of these dynamically important features in different parts of the world ocean are reported. Of particular interest will be the fourteen contributions by scientists from the USSR which emphasize the international character of the meeting. The book thus constitutes a useful and complete overview of the current state-of-the-art.

Aquananotechnology

Author : David E. Reisner
Publisher : CRC Press
ISBN 13 : 0415621291
Total Pages : 1370 pages
Book Rating : 4.4/5 (156 download)

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Book Synopsis Aquananotechnology by : David E. Reisner

Download or read book Aquananotechnology written by David E. Reisner and published by CRC Press. This book was released on 2014-09-24 with total page 1370 pages. Available in PDF, EPUB and Kindle. Book excerpt: The world’s fresh water supplies are dwindling rapidly—even wastewater is now considered an asset. By 2025, most of the world's population will be facing serious water stresses and shortages. Aquananotechnology: Global Prospects breaks new ground with its informative and innovative introduction of the application of nanotechnology to the remediation of contaminated water for drinking and industrial use. It provides a comprehensive overview, from a global perspective, of the latest research and developments in the use of nanotechnology for water purification and desalination methods. The book also covers approaches to remediation such as high surface area nanoscale media for adsorption of toxic species, UV treatment of pathogens, and regeneration of saturated media with applications in municipal water supplies, produced water from fracking, ballast water, and more. It also discusses membranes, desalination, sensing, engineered polymers, magnetic nanomaterials, electrospun nanofibers, photocatalysis, endocrine disruptors, and Al13 clusters. It explores physics-based phenomena such as subcritical water and cavitation-induced sonoluminescence, and fog harvesting. With contributions from experts in developed and developing countries, including those with severe contamination, such as China, India, and Pakistan, the book’s content spans a wide range of the subject areas that fall under the aquananotechnology banner, either squarely or tangentially. The book strongly emphasizes sorption media, with broad application to a myriad of contaminants—both geogenic and anthropogenic—keeping in mind that it is not enough for water to be potable, it must also be palatable.