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Use of a floating breakwater system as an environmentally friendly method of coastal shelter
Teh, H.M.; Azizan, M.S.M.; Kurian, V.J.; Hashim, A.M. (2015). Use of a floating breakwater system as an environmentally friendly method of coastal shelter, in: Rodriguez, G.R. et al. (Ed.) Coastal cities and their sustainable future. WIT Transactions on The Built Environment, 148: pp. 309-318. https://hdl.handle.net/10.2495/cc150261
In: Rodriguez, G.R.; Brebbia, C.A. (Ed.) (2015). Coastal cities and their sustainable future. WIT Transactions on The Built Environment, 148. WIT Press: Southampton. ISBN 978-1-84564-9104. 331 pp., more
In: WIT Transactions on The Built Environment. WIT Press: Southampton. ISSN 1743-3509, more

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Keywords
    Floating breakwaters
    Reflection > Wave reflection
    Wave transmission
Author keywords
    Energy loss

Authors  Top 
  • Teh, H.M.
  • Azizan, M.S.M.
  • Kurian, V.J.
  • Hashim, A.M.

Abstract
    Floating breakwaters are known as environmentally-friendly methods of coastal shelter due to the fact that they pose minimum interruption to water circulation and sediment transport. However, the majority of them are strong wave reflectors, directing wave energy to the seaward and resulting in confusing sea state at the seaward side. This research aimed to quantify the wave transmission, wave reflection and energy loss by the H-type floating breakwater via physical modelling. The performance characteristics of the breakwater were measured by the coefficient of transmission, reflection and energy loss. The coefficients were related to a dimensionless wave parameter and the relative immersion depth of breakwater. The experimental results showed that the H-type floating breakwater is a good anti-reflection structure and an effective energy dissipater. The hydraulic performance of the breakwater was more controlled by the relative breakwater immersion depth than the wave parameter.

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