Controlling Mesoscale Turbulence
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Controlling Mesoscale Turbulence
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Author : Henning Reinken
language : en
Publisher: Springer Nature
Release Date : 2024-09-27
Controlling Mesoscale Turbulence written by Henning Reinken and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-09-27 with Technology & Engineering categories.
This thesis combines methods from statistical physics and nonlinear dynamics to advance research on the pattern formation in active fluids in several directions. In particular, it focuses on mesoscale turbulence, a state observed in microswimmer suspensions, which is characterized by the emergence of dynamic vortex patterns. The first major contribution concerns the bottom-up derivation of a frequently used continuum model of mesoscale turbulence from a set of particle-resolved stochastic equations. Utilizing the model, mesoscale turbulence is shown to induce nontrivial transport properties including a regime of optimal diffusion. The thesis then explores possible strategies of control. One of these relies on an external field that leads to stripe-like structures and can even suppress patterns entirely. The other involves geometric confinement realized by strategically placed obstacles that can reorganize the flow into a variety of ordered vortex structures. The turbulence transition inside an obstacle lattice is shown to have an intriguing analogy to an equilibrium transition in the Ising universality class. As a whole, this thesis provides important contributions to the understanding and control of turbulence in active fluids, as well as outlining exciting future directions, including applications. It includes a substantial introduction to the topic, which is suitable for newcomers to the field.
Physics Of Granular Suspensions
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Author : Marco Mazzuoli
language : en
Publisher: Springer Nature
Release Date : 2024-05-31
Physics Of Granular Suspensions written by Marco Mazzuoli and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-05-31 with Technology & Engineering categories.
This book provides graduate students and scientists with fundamental knowledge on the mechanics of granular suspensions as well as on the mathematical and numerical techniques that can be adopted to investigate geophysical flows. To this end, three formidably complex problems (sediment transport, flow-like landslide inception, and gravity currents) are considered. The reader will find a thorough combination of elements of fluid and solid mechanics, rheology, geotechnics, geomorphology, civil, and coastal engineering. The first part of the book introduces the problem of granular suspensions from the mathematical viewpoint, focusing on issues that characterise geophysical flows such as turbulence, the effects of inter-particle contacts, and strong velocity gradients. In the second part, different models that were successfully used to investigate the mechanics of granular suspensions in environmental flows are presented.
The Magnetospheric Multiscale Mission Resolving Fundamental Processes In Space Plasmas
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Author : S. Curtis
language : en
Publisher:
Release Date : 1999
The Magnetospheric Multiscale Mission Resolving Fundamental Processes In Space Plasmas written by S. Curtis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Magnetosphere categories.
The Magnetospheric Multiscale (MMS) mission is a multiple-spacecraft Solar-Terrestrial Probe designed to study the microphysics of magnetic reconnection, charged particle acceleration, and turbulence in key boundary regions of Earth's magnetosphere. These three processes, which control the flow of energy, mass, and momentum within and across plasma boundaries, occur throughout the universe and are fundamental to our understanding of astrophysical and solar system plasmas.
Fundamentals Of Dispersed Multiphase Flows
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Author : S. Balachandar
language : en
Publisher: Cambridge University Press
Release Date : 2024
Fundamentals Of Dispersed Multiphase Flows written by S. Balachandar and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024 with Multiphase flow categories.
"Dispersed multiphase flows are frequently found in nature and have diverse geophysical, environmental, industrial, and energy applications. This book targets a beginning graduate student looking to learn about the physical processes that govern these flows, going from the fundamentals to the state of the art, with many exercises included"--
Air Pollution Modeling And Its Application Viii
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Author : H. Van Dop
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Air Pollution Modeling And Its Application Viii written by H. Van Dop and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
In 1949, when the North Atlantic Treaty was ratified, one of its articles explicitly noted '1hat member countries should contribute towards the further development of peaceful and friendly international relations." Specific problems related to the human environment were addressed by the Committee of Challenges of Modern Society (CCMS) of NATO, established in 1969. This provided a framework within which a series of International Technical Meetings (ITMs) on Air Pollution Modelling has been held. This volume documents the proceedings of the 18th meeting in this series. Science, like the arts and sports, provides an ideal vehicle for "developing peaceful and friendly international relations". National boundaries have never been barriers to the movement of air pollution, and fortunately this has also proved true of scientists studying the transport of air pollution. It is thus satisfying to record that since the mid-seventies it has been commonplace to find Eastern European scientists among attendees at the ITMs which have (in a very modest way) participated in a precursor to the process which has led to historical changes in Europe and which will undoubtedly lead to a tremendous increase in personal and intellectual exchange on a worldwide basis.
Frontiers In Atmospheric Sciences
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Author :
language : en
Publisher:
Release Date : 1993
Frontiers In Atmospheric Sciences written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Science categories.
Transport And Mixing In Geophysical Flows
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Author : Jeffrey B. Weiss
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-12-07
Transport And Mixing In Geophysical Flows written by Jeffrey B. Weiss and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-07 with Science categories.
Transports in fluids can be approached from two complementary perspectives. In the Eulerian view of mixing, the focus is on the concentration field. In the Langrangian view, fluid parcels are followed around as they move with the flow, experiencing chaotic or stochastic motion. This book examines both pictures, presenting a number of theoretical and experimental lectures on various aspects of transport and mixing of active and passive particles in geophysical flows.
Ocean Mixing
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Author : Michael Meredith
language : en
Publisher: Elsevier
Release Date : 2021-09-16
Ocean Mixing written by Michael Meredith and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-16 with Science categories.
Ocean Mixing: Drivers, Mechanisms and Impacts presents a broad panorama of one of the most rapidly-developing areas of marine science. It highlights the state-of-the-art concerning knowledge of the causes of ocean mixing, and a perspective on the implications for ocean circulation, climate, biogeochemistry and the marine ecosystem. This edited volume places a particular emphasis on elucidating the key future questions relating to ocean mixing, and emerging ideas and activities to address them, including innovative technology developments and advances in methodology. Ocean Mixing is a key reference for those entering the field, and for those seeking a comprehensive overview of how the key current issues are being addressed and what the priorities for future research are. Each chapter is written by established leaders in ocean mixing research; the volume is thus suitable for those seeking specific detailed information on sub-topics, as well as those seeking a broad synopsis of current understanding. It provides useful ammunition for those pursuing funding for specific future research campaigns, by being an authoritative source concerning key scientific goals in the short, medium and long term. Additionally, the chapters contain bespoke and informative graphics that can be used in teaching and science communication to convey the complex concepts and phenomena in easily accessible ways. - Presents a coherent overview of the state-of-the-art research concerning ocean mixing - Provides an in-depth discussion of how ocean mixing impacts all scales of the planetary system - Includes elucidation of the grand challenges in ocean mixing, and how they might be addressed
Controlling Mesoscale Turbulence
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Author : Henning Reinken
language : en
Publisher: Springer
Release Date : 2024-09-13
Controlling Mesoscale Turbulence written by Henning Reinken and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-09-13 with Technology & Engineering categories.
This thesis combines methods from statistical physics and nonlinear dynamics to advance research on the pattern formation in active fluids in several directions. In particular, it focuses on mesoscale turbulence, a state observed in microswimmer suspensions, which is characterized by the emergence of dynamic vortex patterns. The first major contribution concerns the bottom-up derivation of a frequently used continuum model of mesoscale turbulence from a set of particle-resolved stochastic equations. Utilizing the model, mesoscale turbulence is shown to induce nontrivial transport properties including a regime of optimal diffusion. The thesis then explores possible strategies of control. One of these relies on an external field that leads to stripe-like structures and can even suppress patterns entirely. The other involves geometric confinement realized by strategically placed obstacles that can reorganize the flow into a variety of ordered vortex structures. The turbulence transition inside an obstacle lattice is shown to have an intriguing analogy to an equilibrium transition in the Ising universality class. As a whole, this thesis provides important contributions to the understanding and control of turbulence in active fluids, as well as outlining exciting future directions, including applications. It includes a substantial introduction to the topic, which is suitable for newcomers to the field.
Extended Abstracts Of Papers Presented At The Msj Jma Wmo Ams Regional Scientific Conference On Tropical Meteorology
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Author :
language : en
Publisher:
Release Date : 1982
Extended Abstracts Of Papers Presented At The Msj Jma Wmo Ams Regional Scientific Conference On Tropical Meteorology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Tropical meteorology categories.