کتب گروه تعمیر و نگهداری هواپیما

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  2. PREFACE
    The purpose of this textbook is to present the elements of applied
    aerodynamics and aeronautical engineering which relate directly to
    the problems of flying operations. All Naval Aviators possess a natural
    interest in the basic aerodynamic factors which affect the performance
    of all aircraft. Due .to the increasing complexity of modem aircraft,
    this natural interest must be applied to develop a sound understanding
    of basic engineering principles and an appreciation of some of the more
    advanced problems of aerodynamics and engineering. The safety and
    effectiveness of flying operations will depend greatly on the understanding
    and appreciation of how and why an airplane flies. The
    principles of aerodynamics will provide the foundations for developing
    exacting and precise flying techniques and operational procedures.
    The content of this textbook has been arranged to provide as complete
    as possible a reference for all phases of flying in Naval Aviation.
    Hence, the text material is applicable to the problems of flight training,
    transition training, and general flying operations. The manner
    of presentation throughout the text has been designed to provide the
    elements of both theory and application and will allow either directed
    or unassisted study. As a result, the text material will be applicable
    to supplement formal class lectures and briefings and provide reading
    material as a background for training and flying operations.

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  3. Preface
    This volume is intended for students of engineering on courses or programmes of
    study to graduate level.
    The sequence of subject development in this edition commences with definitions
    and concepts and goes on to cover incompressible flow, low speed aerofoil and wing
    theory, compressible flow, high speed wing theory, viscous flow, boundary layers,
    transition and turbulence, wing design, propellers and propulsion.
    Accordingly the work deals first with the units, dimensions and properties of the
    physical quantities used in aerodynamics then introduces common aeronautical
    definitions before explaining the aerodynamic forces involved and the basics of
    aerofoil characteristics. The fundamental fluid dynamics required for the development
    of aerodynamics and the analysis of flows within and around solid boundaries
    for air at subsonic speeds is explored in depth in the next two chapters, which
    continue with those immediately following to use these and other methods to develop
    aerofoil and wing theories for the estimation of aerodynamic characteristics in these
    regimes. Attention is then turned to the aerodynamics of high speed air flows.
    The laws governing the behaviour of the physical properties of air are applied to
    the transonic and supersonic regimes and the aerodynamics of the abrupt changes
    in the flow characteristics at these speeds are explained. The exploitation of these and
    other theories is then used to explain the significant effects on wings in transonic and
    supersonic flight respectively, and to develop appropriate aerodynamic characteristics.
    Viscosity is a key physical quantity of air and its significance in aerodynamic
    situations is next considered in depth. The useful concept of the boundary layer and
    the development of properties of various flows when adjacent to solid boundaries,
    build to a body of reliable methods for estimating the fluid forces due to viscosity and
    notably, in aerodynamics, of skin friction and profile drag. Finally the two chapters
    on wing design and flow control, and propellers and propulsion respectively, bring
    together disparate aspects of the previous chapters as appropriate, to some practical
    and individual applications of aerodynamics.
    It is recognized that aerodynamic design makes extensive use of computational
    aids. This is reflected in part in this volume by the introduction, where appropriate,
    of descriptions and discussions of relevant computational techniques. However,
    no comprehensive cover of computational methods is intended, and experience
    in computational techniques is not required for a complete understanding of the
    aerodynamics in this book.

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  4. The Aviation Maintenance Technician Handbook—Airframe (FAA-H-8083-31) is one of a series of three handbooks for
    persons preparing for certification as an airframe or powerplant mechanic. It is intended that this handbook provide the
    basic information on principles, fundamentals, and technical procedures in the subject matter areas relating to the airframe
    rating. It is designed to aid students enrolled in a formal course of instruction, as well as the individual who is studying on
    his or her own. Since the knowledge requirements for the airframe and powerplant ratings closely parallel each other in
    some subject areas, the chapters which discuss fire protection systems and electrical systems contain some material which
    is also duplicated in the Aviation Maintenance Technician Handbook—Powerplant (FAA-H-8083-32).
    This volume contains information on airframe construction features, assembly and rigging, fabric covering, structural repairs,
    and aircraft welding. The handbook also contains an explanation of the units that make up the various airframe systems.
    Because there are so many different types of aircraft in use today, it is reasonable to expect that differences exist in airframe
    components and systems. To avoid undue repetition, the practice of using representative systems and units is carried out
    throughout the handbook. Subject matter treatment is from a generalized point of view and should be supplemented by
    reference to manufacturer's manuals or other textbooks if more detail is desired. This handbook is not intended to replace,
    substitute for, or supersede official regulations or the manufacturer’s instructions. Occasionally the word “must” or similar
    language is used where the desired action is deemed critical. The use of such language is not intended to add to, interpret,
    or relieve a duty imposed by Title 14 of the Code of Federal Regulations (14 CFR).

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