Peak mooring forces in the horizontal interlaced multi-layered moored floating pipe breakwater
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Date
2011
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Publisher
Society of Naval Architects of Korea
Abstract
Present study aims to investigate the influence of relative breakwater width W/L (W=width of breakwater, L=wavelength), wave steepness H<inf>i</inf>/gT2 (Hi=incident wave height, T=wave period) and relative wave height d/W (d=water depth) on forces in the moorings of horizontal interlaced multi-layered moored floating pipe breakwater (HIMMFPB) model. Studies were conducted on scaled down physical models having three layers of Poly Vinyl Chloride (PVC) pipes, wave steepness H<inf>i</inf>/gT2 varying from 0.063 to 0.849, relative width W/L varying from 0.4 to 2.65 and relative spacing S/D=2 (S=horizontal centre-to-centre spacing of pipes, D=diameter of pipes). Peak mooring forces were also measured and data collected is analyzed by plotting non-dimensional graphs depicting variation of fs/?W2 (f<inf>s</inf>=Sea side Mooring force, ?=specific weight of water) & f<inf>l</inf>/?W2 (f<inf>l</inf>=Lee side Mooring force) with H<inf>i</inf>/gT2 for d/W varying from 0.082 to 0.276 and also variation of f<inf>s</inf>/?W2 and f<inf>l</inf>/?W2 with W/L for H<inf>i</inf>/d varying from 0.06 to 0.400. © SNAK, 2011.
Description
Keywords
Floating breakwaters, Light transmission, Plastic pipe, Polyvinyl chlorides, Incident waves, Mooring force, Multi-layered, Pipe breakwaters, Ratio of spacing to diameter of pipes, Relative breakwater width, Relative wave height, T waves, Wave heights, Wave steepness, Mooring
Citation
International Journal of Naval Architecture and Ocean Engineering, 2011, 3, 2, pp. 150-158