Kiran Bhaganagar: Principles of Turbulence, Gebunden

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Develop a physical understanding of turbulence through theory, applications, and companion Python computations

Turbulence is one of the most complex and widely encountered phenomena in fluid mechanics, governing the transport of momentum, energy, and scalars across engineering and natural systems. From wall-bounded and free-shear flows to atmospheric, oceanic, and buoyancy-driven turbulence, flows that differ enormously in scale and environment share fundamental mechanisms of transport, mixing, energy transfer, and dissipation. Understanding these mechanisms requires not only mathematical and statistical tools, but also the ability to interpret the physical processes represented by the governing equations.

Principles of Turbulence: An Introduction with Python Computations provides a physics-based introduction to the fundamental principles of turbulent flows for advanced undergraduate and graduate students. Beginning with the historical development and physical understanding of turbulence, the book progresses systematically through scalar transport and mixing, governing equations, Reynolds and Favre averaging, turbulence statistics, correlations and spectra, and the classical foundations of turbulence theory. Particular emphasis is placed on connecting mathematical formulations and transport equations to the physical mechanisms they represent.

The theoretical foundations are developed through structure functions, Kolmogorov similarity and inertial-range scaling, the Kármán-Howarth equation, the four-fifths law, and intermittency before being applied to canonical and increasingly complex turbulent flows. Smooth- and rough-wall turbulence, unsteady turbulence, turbulent boundary layers, jets, mixing layers, and buoyant plumes provide physically meaningful settings in which the underlying principles can be examined.

Principles of Turbulence: An Introduction with Python Computations readers will also find:

• A historical and physics-based introduction that develops physical intuition before formal turbulence theory
• A systematic treatment of scalar transport, Reynolds and Favre averaging, turbulent kinetic energy, Reynolds stresses, and the turbulence closure problem
• Coverage of one- and two-point statistics, correlations, energy spectra, Kolmogorov scaling, structure functions, and intermittency
• Detailed treatment of smooth- and rough-wall turbulence, unsteady turbulence, boundary layers, free-shear flows, jets, mixing layers, and buoyant plumes
• Companion Python notebooks that reinforce concepts through visualization, numerical experimentation, and turbulence-data analysis
• An introduction to scientific machine learning for turbulence from a physics-informed perspective
• End-of-chapter problems designed to reinforce physical understanding and quantitative analysis

The companion Python notebooks accompanying Parts II-V connect theory, computation, and data analysis, providing hands-on opportunities to explore turbulence concepts through visualization and computation. The book concludes by introducing scientific machine learning as an extension of classical turbulence closure approaches constrained by physical principles.

Principles of Turbulence: An Introduction with Python Computations is designed for advanced undergraduate and graduate students in engineering, physical sciences, applied mathematics, and related fields. It also serves as a reference for researchers and practicing engineers seeking a physically grounded framework for understanding, analyzing, and modeling turbulent flows.