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ISBN: 9781138027558
Per Boek Wijzer Taal: engels

Auteur: Hubert Chanson

Recent advances in technology have permitted the construction of large dams, reservoirs and channels. This progress has necessitated the development of new design and construction techniques, particularly with the provision of adequate flood release facilities. Chutes and spillways are designed to spill large water discharges over a hydraulic structure (e.g. dam, weir) without major damage to the structure itself and to its environment. At the hydraulic structure, the flood waters rush as an open channel flow or free-falling jet, and it is essential to dissipate a very signifi cant part of the flow kinetic energy to avoid damage to the hydraulic structure and its surroundings. Energy dissipation may be realised by a wide range of design techniques. A number of modern developments have demonstrated that such energy dissipation may be achieved (a) along the chute, (b) in a downstream energy dissipator, or (c) a combination of both. The magnitude of turbulent energy that must be dissipated in hydraulic structures is enormous even in small rural and urban structures. For a small storm waterway discharging at a 4 m3/s mm high drop, the turbulent kinetic energy flux per unit time is 120 kW! At a large dam, the rate of energy dissipation can exceed tens to hundreds of gigawatts; that is, many times the energy production rate of nuclear power plants. Many engineers have never been exposed to the complexity of energy dissipator designs, to the physical processes taking place and to the structural challenges. Several energy dissipators, spillways and storm waterways failed because of poor engineering design. It is believed that a major issue affecting these failures was the lack of understanding of the basic turbulent dissipation processes and of the interactions between free-surface aeration and flow turbulence. In that context, an authoritative reference book on energy dissipation in hydraulic structures is proposed here. The book contents encompass a range of design techniques including block ramps, stepped spillways, hydraulic jump stilling basins, ski jumps and impact dissipators.
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  • library_books Kenmerken
    NUR 950
    Aantal pagina's 168 pagina's
    Afmetingen 24,8 x 17,8 x 1,9 cm
    Auteur Hubert Chanson
    Bindwijze Hardcover
    Category Boeken
    Category Civiele techniek
    Category Werktuigbouwkunde
    Category Technologie & Bouwkunde
    Category Machinebouw
    Druk 1
    Extra groot lettertype Nee
    Rubriekspad <Boeken><Technologie & Bouwkunde>
    Rubriekspad <Boeken><Technologie & Bouwkunde><Werktuigbouwkunde><Machinebouw>
    Rubriekspad <Boeken><Technologie & Bouwkunde><Civiele techniek>
    Illustraties Met illustraties
    NUR code 950
    Oorspronkelijke releasedatum 2015-05-12
    Redacteur Hubert Chanson
    Taal Engels
    Uitgever Taylor & Francis Ltd
    Verschijningsdatum 2015-05-12
  • label Onderwerpen