3D Experimental Analysis of Turbulence Induced Scour in front of the Ruble Mound Breakwater

Sevket Cokgor, Ozgur Durmus*

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Özet

Laboratory data of velocity fields in front of a 45° angled side of a rubble-mound breakwater are presented and discussed for non-breaking wave condition. Velocity measurements were conducted near the breakwater by an acoustic Doppler velocimeter (Nortek Vectrino) regular wave. The raw data were analyzed by using a numerical-filtering scheme so that turbulent fluctuations are separated from the phase-dependent wave motions. Root mean square (RMS) values of the turbulent fluctuations in the vertical and horizontal directions were obtained. The spatial variations of the turbulent shear stress and of the turbulent kinetic energy (TKE) in front of the breakwater were determined. The results indicate that turbulent intensities take larger values when the wave contracts over the breakwater. On the other hand, maximum turbulent shear stress values were observed near the breakwater surface, as a consequence of the rough surface effect.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)1251-1255
Sayfa sayısı5
DergiJournal of Coastal Research
Hacim85
DOI'lar
Yayın durumuYayınlandı - 1 May 2018

Bibliyografik not

Publisher Copyright:
© Coastal Education and Research Foundation, Inc. 2018.

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