Open AccessTHE PERFORMANCE OF NARROW AND BROAD-CRESTED SUBMERGED BREAKWATERS IN DISSIPATING WAVE HEIGHTS
Author(s) -
†̃Izzat Naâ€TMim Ibrahim,
Mohd Shahrizal Ab Razak,
Badronissa Yusof,
Safari Mat Desa
Publication year - 2020
Publication title -
jurnal teknologi/jurnal teknologi
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.191
H-Index - 22
eISSN - 2180-3722
pISSN - 0127-9696
DOI - 10.11113/jt.v82.13974
Subject(s) - freeboard , breakwater , transmission coefficient , crest , wave height , transmission (telecommunications) , environmental science , mechanics , physics , geology , optics , engineering , geotechnical engineering , telecommunications , thermodynamics , fluidized bed
The main objective of this paper is to determine the wave transmission coefficient of an improved submerged breakwater called WABCORE. The objective is further explored to assess the effect of various parameters such as wave steepness, Hi/L, relative freeboard, R/d, and relative width of the top crest, B/L on wave transmission coefficient, KT. In general, as wave steepness increases, the wave transmissions decrease. Moreover wave transmission increases as relative freeboard increases. This is due to the fact that higher relative freeboard contains greater wave energy and hard to dissipate. As B/L increases, KT decreases. The effect of relative top crest width is insignificant as the freeboard increases. The transmission coefficient, KT derived from this study can be equated as , valid for certain ranges. This study concludes that WABCORE is capable to dissipate wave energy.