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In this book, the author introduces the concept of unsteady aerodynamics and its underlying principles. He provides the readers with a comprehensive review of the fundamental physics of free and forced unsteadiness, the terminology and basic equations of aerodynamics ranging from incompressible flow to hypersonics. The book also covers modern topics related to the developments made in recent years, especially in relation to wing flapping for propulsion. The book is written for graduate and senior year undergraduate students in aerodynamics and also serves as a reference for experienced researchers. Each chapter includes ample examples, questions, problems and relevant references.   The treatment of these modern topics has been completely revised end expanded for the new edition. It now includes new numerical examples, a section on the ground effect, and state-space representation.

Aeronautics Engineering & Astronautics --- Mechanical Engineering --- Engineering & Applied Sciences --- Unsteady flow (Aerodynamics) --- Aerodynamics, Unsteady --- Flow, Transient (Aerodynamics) --- Flow, Unsteady (Aerodynamics) --- Transient flow (Aerodynamics) --- Unsteady aerodynamics --- Aerodynamics --- Unsteady flow (Fluid dynamics) --- Astronautics. --- Hydraulic engineering. --- Aerospace Technology and Astronautics. --- Classical and Continuum Physics. --- Engineering Fluid Dynamics. --- Engineering, Hydraulic --- Engineering --- Fluid mechanics --- Hydraulics --- Shore protection --- Space sciences --- Aeronautics --- Astrodynamics --- Space flight --- Space vehicles --- Aerospace engineering. --- Continuum physics. --- Fluid mechanics. --- Hydromechanics --- Continuum mechanics --- Classical field theory --- Continuum physics --- Physics --- Aeronautical engineering --- Astronautics

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This book offers a general overview of the physics, concepts, theories, and models underlying the discipline of aerodynamics. A particular focus is the technique of velocity field representation and modeling via source and vorticity fields and via their sheet, filament, or point-singularity idealizations. These models provide an intuitive feel for aerodynamic flow-field behavior and are the basis of aerodynamic force analysis, drag decomposition, flow interference estimation, and other important applications. The models are applied to both low speed and high speed flows. Viscous flows are also covered, with a focus on understanding boundary layer behavior and its influence on aerodynamic flows. The book covers some topics in depth while offering introductions and summaries of others. Computational methods are indispensable for the practicing aerodynamicist, and the book covers several computational methods in detail, with a focus on vortex lattice and panel methods. The goal is to improve understanding of the physical models that underlie such methods. The book also covers the aerodynamic models that describe the forces and moments on maneuvering aircraft, and provides a good introduction to the concepts and methods used in flight dynamics. It also offers an introduction to unsteady flows and to the subject of wind tunnel measurements. The book is based on the MIT graduate-level course "Flight Vehicle Aerodynamics" and has been developed for use not only in conventional classrooms but also in a massive open online course (or MOOC) offered on the pioneering MOOC platform edX. It will also serve as a valuable reference for professionals in the field. The text assumes that the reader is well versed in basic physics and vector calculus, has had some exposure to basic fluid dynamics and aerodynamics, and is somewhat familiar with aerodynamics and aeronautics terminology. [Back cover]

Aerodynamics --- Gas flow --- Boundary layer --- Unsteady flow (Aerodynamics) --- Aérodynamique --- Gaz --- Fluides, Dynamique des --- Couche limite --- Écoulement --- Aerodynamics. --- Gas flow. --- Boundary layer. --- 629.78 --- Aerodynamics, Unsteady --- Flow, Transient (Aerodynamics) --- Flow, Unsteady (Aerodynamics) --- Transient flow (Aerodynamics) --- Unsteady aerodynamics --- Unsteady flow (Fluid dynamics) --- Fluid dynamics --- Flow of gas --- Gases, Flow of --- Gas dynamics --- Air flow --- Aerodynamics, Subsonic --- Airplanes --- Streamlining --- Subsonic aerodynamics --- Dynamics --- Pneumatics --- Aeronautics --- Wind tunnels --- History of spaceflight engineering. History of astronautics and spacecraft --- Aérodynamique. --- Fluides, Dynamique des. --- Couche limite. --- Écoulement. --- Dynamique des fluides. --- Aérodynamique. --- Écoulement.

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This Special Issue is a collection of the latest research articles on various topics related to wind turbine aerodynamics, which includes wind turbine design concepts, tip loss correction study, wind turbine acoustics modelling, and the vertical axis wind turbine concept.

Technology: general issues --- wind turbine aerodynamics --- actuator disc --- AD/NS --- tip loss correction --- blade element momentum --- orthopter --- vertical axis wind turbine --- power coefficient --- torque coefficient --- shear flow --- wind tunnel --- CFD --- delayed detached-eddy simulation --- wind turbine --- tilt angle --- unsteady aerodynamics --- computational fluid dynamics --- wind tunnel experiment --- wind turbine airfoil --- turbulence --- Gurney flap --- aerodynamic characteristics --- aeroacoustics --- noise modelling --- noise control --- coned rotor --- aerodynamics --- n/a

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This book provides an introduction to unsteady aerodynamics with emphasis on the analysis and computation of inviscid and viscous two-dimensional flows over airfoils at low speeds. It begins with a discussion of the physics of unsteady flows and an explanation of lift and thrust generation, airfoil flutter, gust response and dynamic stall. This is followed by an exposition of the four major calculation methods in currents use, namely inviscid-panel, boundary-layer, viscous-inviscid interaction and Navier-Stokes methods. Undergraduate and graduate students, teachers, scientists and engineers concerned with aeronautical, hydronautical and mechanical engineering problems will gain understanding of the physics of unsteady low-speed flows and an ability to analyze these flows with modern computational methods.

Aerofoils. --- Unsteady flow (Aerodynamics) --- Aerodynamics, Unsteady --- Flow, Transient (Aerodynamics) --- Flow, Unsteady (Aerodynamics) --- Transient flow (Aerodynamics) --- Unsteady aerodynamics --- Aerodynamics --- Unsteady flow (Fluid dynamics) --- Airfoils --- Mechanical engineering. --- Mechanics. --- Mechanics, Applied. --- Computer science --- Mechanical Engineering. --- Solid Mechanics. --- Computational Mathematics and Numerical Analysis. --- Numerical and Computational Physics, Simulation. --- Classical Mechanics. --- Fluid- and Aerodynamics. --- Mathematics. --- Computer mathematics --- Discrete mathematics --- Electronic data processing --- Applied mechanics --- Engineering, Mechanical --- Engineering mathematics --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Engineering --- Machinery --- Steam engineering --- Mathematics --- Computer mathematics. --- Physics. --- Fluids. --- Hydraulics --- Mechanics --- Hydrostatics --- Permeability --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Solids. --- Mathematical physics. --- Continuum mechanics. --- Theoretical, Mathematical and Computational Physics. --- Continuum Mechanics. --- Data processing. --- Physical mathematics --- Solid state physics --- Transparent solids --- Mechanics of continua --- Elasticity --- Mechanics, Analytic --- Field theory (Physics)