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Improved Hydrodynamic Performance of Stepped-Slope floating Breakwater using Submerged Horizontal Plate
Recently, the investigations on the hydrodynamic performance of floating breakwaters have great interest toresearchers because of its high advantages in protecting marinas and small craft harbors. For the purpose of improvingthe hydrodynamic performance of the stepped-slope floating breakwater type, this research had been carried out as anapproach to investigate experimentally the resulting hydrodynamic performance of a composite pile supportedbreakwater consists of a stepped-slope floating body moving only in heave motion overlying a fixed submergedhorizontal plate in a constant water depth, d = 30 cm. The transmission, reflection and losses coefficients had beendetermined individually for each of the stepped-slope floating, fixed submerged horizontal plate and the compositebreakwaters. The results showed that the performance of the stepped-slope floating breakwater tested using differentrelative draft values, Df /d, of the floating body had been significantly improved and achieved extra wave damping byreducing the transmission coefficients by a ratio range between 23 % to 52 %, when using the submerged fixedhorizontal plate underneath the floating body, with definite improvement value depends on plate relative submergencedepth, dp /d and plate relative thickness, tp /d . For a composite breakwater using two relative submergence depths of the plate, it had been found that a significant higher wave attenuation takes place with a configuration using dp /d = 0.33than that obtained when using dp /d = 0.50. Furthermore, plate relative thickness achieved wave attenuationimprovement for the composite breakwater especially for the configuration using dp /d = 0.33 and tp /d = 4%.
Improved Hydrodynamic Performance of Stepped-Slope floating Breakwater using Submerged Horizontal Plate
Recently, the investigations on the hydrodynamic performance of floating breakwaters have great interest toresearchers because of its high advantages in protecting marinas and small craft harbors. For the purpose of improvingthe hydrodynamic performance of the stepped-slope floating breakwater type, this research had been carried out as anapproach to investigate experimentally the resulting hydrodynamic performance of a composite pile supportedbreakwater consists of a stepped-slope floating body moving only in heave motion overlying a fixed submergedhorizontal plate in a constant water depth, d = 30 cm. The transmission, reflection and losses coefficients had beendetermined individually for each of the stepped-slope floating, fixed submerged horizontal plate and the compositebreakwaters. The results showed that the performance of the stepped-slope floating breakwater tested using differentrelative draft values, Df /d, of the floating body had been significantly improved and achieved extra wave damping byreducing the transmission coefficients by a ratio range between 23 % to 52 %, when using the submerged fixedhorizontal plate underneath the floating body, with definite improvement value depends on plate relative submergencedepth, dp /d and plate relative thickness, tp /d . For a composite breakwater using two relative submergence depths of the plate, it had been found that a significant higher wave attenuation takes place with a configuration using dp /d = 0.33than that obtained when using dp /d = 0.50. Furthermore, plate relative thickness achieved wave attenuationimprovement for the composite breakwater especially for the configuration using dp /d = 0.33 and tp /d = 4%.
Improved Hydrodynamic Performance of Stepped-Slope floating Breakwater using Submerged Horizontal Plate
Ehab Tolba (Autor:in) / Elsayed Galal (Autor:in) / A. Abou seeda (Autor:in)
2017
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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