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  • An experimental study on the flow characteristics of a standing wave: application of FLDV measurements

    Author(s)
    Lin, C
    Jeng, DS
    Jeng, CN
    Griffith University Author(s)
    Jeng, Dong-Sheng
    Year published
    2002
    Metadata
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    Abstract
    The wave transmission, reflection and energy dissipation characteristics of partially submerged 'T'-type breakwaters (Fig. 1) were studied using physical models. Regular and random waves, with wide ranges of wave heights and periods and a constant water depth were used. Five different depths of immersions of the 'T'-type breakwater were selected. The coefficient of transmission, Kt, coefficient reflection, Kr, were obtained from the measurements and the coefficient of energy loss, Kl is calculated using the law of conservation of energy. It is found that the coefficient of transmission generally reduces with increased wave ...
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    The wave transmission, reflection and energy dissipation characteristics of partially submerged 'T'-type breakwaters (Fig. 1) were studied using physical models. Regular and random waves, with wide ranges of wave heights and periods and a constant water depth were used. Five different depths of immersions of the 'T'-type breakwater were selected. The coefficient of transmission, Kt, coefficient reflection, Kr, were obtained from the measurements and the coefficient of energy loss, Kl is calculated using the law of conservation of energy. It is found that the coefficient of transmission generally reduces with increased wave steepness and increased relative water depth, d/L. This breakwater is found to be effective closer to deep-water conditions. Kt values less than 0.35 is obtained for both normal and high input wave energy levels, when the horizontal barrier of the T type breakwater is immersed to about 7% of the water depth. This breakwater is also found to be very efficient in dissipating the incident wave energy to an extent of about 65% (i.e. Kl>0.8), especially for high input wave energy levels. The wave climate in front of the breakwater is also measured and studied.
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    Journal Title
    Ocean Engineering
    Volume
    29
    Publisher URI
    http://www.elsevier.com/wps/find/journaldescription.cws_home/320/description#description
    Copyright Statement
    © 2002 Elsevier : Reproduced in accordance with the copyright policy of the publisher : This journal is available online - use hypertext links
    Subject
    Oceanography
    Civil Engineering
    Maritime Engineering
    Publication URI
    http://hdl.handle.net/10072/6664
    Collection
    • Journal articles

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