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The Essence of Turbulence as a Physical Phenomenon

2013-08-23 Technology & Engineering
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Release : 2013-08-23
Genre : Technology & Engineering
Kind : eBook
Book Rating : 800/5 ( reviews)

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Book Synopsis The Essence of Turbulence as a Physical Phenomenon by : Arkady Tsinober

Download or read book The Essence of Turbulence as a Physical Phenomenon written by Arkady Tsinober. This book was released on 2013-08-23. Available in PDF, EPUB and Kindle. Book excerpt: This book critically reexamines what turbulence really is, from a fundamental point of view and based on observations from nature, laboratories, and direct numerical simulations. It includes critical assessments and a comparative analysis of the key developments, their evolution and failures, along with key misconceptions and outdated paradigms. The main emphasis is on conceptual and problematic aspects, physical phenomena, observations, misconceptions and unresolved issues rather than on conventional formalistic aspects, models, etc. Apart from the obvious fundamental importance of turbulent flows, this emphasis stems from the basic premise that without corresponding progress in fundamental aspects there is little chance for progress in applications such as drag reduction, mixing, control and modeling of turbulence. More generally, there is also a desperate need to grasp the physical fundamentals of the technological processes in which turbulence plays a central role.

The Essence of Turbulence As a Physical Phenomenon: with Emphasis on Issues of Paradigmatic Nature

2013 Science
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Release : 2013
Genre : Science
Kind : eBook
Book Rating : 404/5 ( reviews)

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Book Synopsis The Essence of Turbulence As a Physical Phenomenon: with Emphasis on Issues of Paradigmatic Nature by : Arkady Tsinober

Download or read book The Essence of Turbulence As a Physical Phenomenon: with Emphasis on Issues of Paradigmatic Nature written by Arkady Tsinober. This book was released on 2013. Available in PDF, EPUB and Kindle. Book excerpt: This book critically reexamines what turbulence really is, from a fundamental point of view and based on observations from nature, laboratories, and direct numerical simulations. It includes critical assessments and a comparative analysis of the key developments, their evolution and failures, along with key misconceptions and outdated paradigms. The main emphasis is on conceptual and problematic aspects, physical phenomena, observations, misconceptions and unresolved issues rather than on conventional formalistic aspects, models, etc. Apart from the obvious fundamental importance of turbulent flows, this emphasis stems from the basic premise that without corresponding progress in fundamental aspects there is little chance for progress in applications such as drag reduction, mixing, control and modeling of turbulence. More generally, there is also a desperate need to grasp the physical fundamentals of the technological processes in which turbulence plays a central role.

The Essence of Turbulence as a Physical Phenomenon

2018-12-17 Technology & Engineering
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Release : 2018-12-17
Genre : Technology & Engineering
Kind : eBook
Book Rating : 316/5 ( reviews)

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Book Synopsis The Essence of Turbulence as a Physical Phenomenon by : Arkady Tsinober

Download or read book The Essence of Turbulence as a Physical Phenomenon written by Arkady Tsinober. This book was released on 2018-12-17. Available in PDF, EPUB and Kindle. Book excerpt: Now in its second edition, this book clearly, concisely and comprehensively outlines the essence of turbulence. In view of the absence of a theory based on first principles and adequate tools to handle the problem, the “essence” of turbulence, i.e. what turbulence really is from a fundamental point of view, is understood empirically through observations from nature, laboratories and direct numerical simulations rather than explained by means of conventional formalistic aspects, models, etc., resulting in pertinent issues being described at a highly theoretical level in spite of the mentioned lack of theory. As such, the book highlights and critically reexamines fundamental issues, especially those of paradigmatic nature, related to conceptual and problematic aspects, key misconceptions and unresolved matters, and discusses why the problem is so difficult. As in the previous edition, the focus on fundamental issues is also a consequence of the view that without corresponding advances in fundamental aspects there is little chance of progress in any applications. More generally there is a desperate need for physical fundamentals of a great variety of processes in nature and technology in which turbulence plays a central role. Turbulence is omnipresent throughout the natural sciences and technology, but despite the vast sea of information available the book retains its brevity without oversimplifications, making it of interest to a broad audience.

Nonlinear, Nonlocal and Fractional Turbulence

2020-04-02 Science
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Release : 2020-04-02
Genre : Science
Kind : eBook
Book Rating : 33X/5 ( reviews)

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Book Synopsis Nonlinear, Nonlocal and Fractional Turbulence by : Peter William Egolf

Download or read book Nonlinear, Nonlocal and Fractional Turbulence written by Peter William Egolf. This book was released on 2020-04-02. Available in PDF, EPUB and Kindle. Book excerpt: Experts of fluid dynamics agree that turbulence is nonlinear and nonlocal. Because of a direct correspondence, nonlocality also implies fractionality. Fractional dynamics is the physics related to fractal (geometrical) systems and is described by fractional calculus. Up-to-present, numerous criticisms of linear and local theories of turbulence have been published. Nonlinearity has established itself quite well, but so far only a very small number of general nonlocal concepts and no concrete nonlocal turbulent flow solutions were available. This book presents the first analytical and numerical solutions of elementary turbulent flow problems, mainly based on a nonlocal closure. Considerations involve anomalous diffusion (Lévy flights), fractal geometry (fractal-β, bi-fractal and multi-fractal model) and fractional dynamics. Examples include a new ‘law of the wall’ and a generalization of Kraichnan’s energy-enstrophy spectrum that is in harmony with non-extensive and non-equilibrium thermodynamics (Tsallis thermodynamics) and experiments. Furthermore, the presented theories of turbulence reveal critical and cooperative phenomena in analogy with phase transitions in other physical systems, e.g., binary fluids, para-ferromagnetic materials, etc.; the two phases of turbulence identifying the laminar streaks and coherent vorticity-rich structures. This book is intended, apart from fluids specialists, for researchers in physics, as well as applied and numerical mathematics, who would like to acquire knowledge about alternative approaches involved in the analytical and numerical treatment of turbulence.

An Informal Conceptual Introduction to Turbulence

2009-08-29 Technology & Engineering
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Release : 2009-08-29
Genre : Technology & Engineering
Kind : eBook
Book Rating : 74X/5 ( reviews)

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Book Synopsis An Informal Conceptual Introduction to Turbulence by : Arkady Tsinober

Download or read book An Informal Conceptual Introduction to Turbulence written by Arkady Tsinober. This book was released on 2009-08-29. Available in PDF, EPUB and Kindle. Book excerpt: This fully revised second edition focuses on physical phenomena and observations in turbulence, and is focused on reversing misconceptions and ill-defined concepts. New topics include ergodicity, Eulerian versus Lagrangian descriptions, theory validation, and anomalous scaling.

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