Fluid Dynamics Part 4 Hydrodynamic Stability Theory at Meripustak

Fluid Dynamics Part 4 Hydrodynamic Stability Theory

Books from same Author: Anatoly Ruban Prof Jitesh Gajjar Dr Andrew Walton

Books from same Publisher: Oxford University Press

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  • General Information  
    Author(s)Anatoly Ruban Prof Jitesh Gajjar Dr Andrew Walton
    PublisherOxford University Press
    ISBN9780198869948
    Pages368
    BindingHardcover
    LanguageEnglish
    Publish YearJuly 2023

    Description

    Oxford University Press Fluid Dynamics Part 4 Hydrodynamic Stability Theory by Anatoly Ruban Prof Jitesh Gajjar Dr Andrew Walton

    This is the fourth volume in a four-part series on fluid dynamics:Part 1. Classical Fluid DynamicsPart 2. Asymptotic Problems of Fluid DynamicsPart 3. Boundary LayersPart 4. Hydrodynamic Stability TheoryThe series is designed to give a comprehensive and coherent description of fluid dynamics, starting with chapters on classical theory suitable for an introductory undergraduate lecture course, and then progressing through more advanced material up to the level of modern research in the field.Part 4 is devoted to hydrodynamic stability theory which aims at predicting the conditions under which the laminar state of a flow turns into a turbulent state. The phenomenon of laminar-turbulent transition remains one of the main challenges of modern physics. The resolution of this problem is important not only from a theoretical viewpoint but also for practical applications. For instance, in the flow past a passenger aircraft wing, the laminar-turbulent transition causes a fivefold increase in the viscous drag.The book starts with the classical results of the theory which include the global stability analysis followed by the derivation of the Orr-Sommerfeld equation. The properties of this equation are discussed using, as examples, plane Poiseuille flow and the Blasius boundary layer. In addition, we discuss 'inviscid flow' instability governed by the Rayleigh equation, Kelvin-Helmholtz instability, crossflow instability, and centrifugal instability, taking the form of Taylor-Görtler vortices.However, in this presentation our main attention regards recent developments in the theory. These include linear and nonlinear critical layer theory, the theory of receptivity of the boundary layer to external perturbations, weakly nonlinear stability theory of Landau and Stuart, and vortex-wave interaction theory. The latter allows us to describe self-sustaining nonlinear perturbations within a viscous fluid.