Wave Control by Tide-Adapting Submerged Breakwater

A submerged breakwater is a coastal structure built under water with excellent landscape. The depth of the crest of the breakwater should be maintained at more than a certain level in order for the submerged breakwater to control waves properly. This means that the effect of blocking waves deceases...

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Main Authors: Woo-Dong Lee, Yeon-Myeong Jeong, Dong-Soo Hur
Format: Article
Language:English
Published: The Korean Society of Ocean Engineers 2019-12-01
Series:한국해양공학회지
Subjects:
Online Access:http://joet.org/upload/pdf/joet-33-6-573.pdf
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author Woo-Dong Lee
Yeon-Myeong Jeong
Dong-Soo Hur
author_facet Woo-Dong Lee
Yeon-Myeong Jeong
Dong-Soo Hur
author_sort Woo-Dong Lee
collection DOAJ
description A submerged breakwater is a coastal structure built under water with excellent landscape. The depth of the crest of the breakwater should be maintained at more than a certain level in order for the submerged breakwater to control waves properly. This means that the effect of blocking waves deceases sharply at high tide in coastal areas with large tidal differences. In this study, we proposed a Tide-Adapting Submerged Breakwater (TA-SB) to overcome this problem, and then we conducted hydraulic model experiments to evaluate the performance of the TA-SB for controlling waves. The experimental results showed that the tapered wings attached to the crest of the TA-SB helped induce forced breaking waves. In particular, they were very effective in blocking waves and attenuating wave energy at high tide. In addition, the wave control performance of the proposed TA-SB was far superior to the Tide-Adapting Low-Crested Structure (TA-LCS) of the previous study.
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spelling doaj.art-821792f5580947a88cb0d6da69176b372022-12-22T01:37:07ZengThe Korean Society of Ocean Engineers한국해양공학회지1225-07672287-67152019-12-0133657358010.26748/KSOE.2019.0812938Wave Control by Tide-Adapting Submerged BreakwaterWoo-Dong LeeYeon-Myeong JeongDong-Soo HurA submerged breakwater is a coastal structure built under water with excellent landscape. The depth of the crest of the breakwater should be maintained at more than a certain level in order for the submerged breakwater to control waves properly. This means that the effect of blocking waves deceases sharply at high tide in coastal areas with large tidal differences. In this study, we proposed a Tide-Adapting Submerged Breakwater (TA-SB) to overcome this problem, and then we conducted hydraulic model experiments to evaluate the performance of the TA-SB for controlling waves. The experimental results showed that the tapered wings attached to the crest of the TA-SB helped induce forced breaking waves. In particular, they were very effective in blocking waves and attenuating wave energy at high tide. In addition, the wave control performance of the proposed TA-SB was far superior to the Tide-Adapting Low-Crested Structure (TA-LCS) of the previous study.http://joet.org/upload/pdf/joet-33-6-573.pdftide-adapting submerged breakwaterwave reflectionwave transmissionwave energy dissipationbreakwater developmenthydraulic experiment
spellingShingle Woo-Dong Lee
Yeon-Myeong Jeong
Dong-Soo Hur
Wave Control by Tide-Adapting Submerged Breakwater
한국해양공학회지
tide-adapting submerged breakwater
wave reflection
wave transmission
wave energy dissipation
breakwater development
hydraulic experiment
title Wave Control by Tide-Adapting Submerged Breakwater
title_full Wave Control by Tide-Adapting Submerged Breakwater
title_fullStr Wave Control by Tide-Adapting Submerged Breakwater
title_full_unstemmed Wave Control by Tide-Adapting Submerged Breakwater
title_short Wave Control by Tide-Adapting Submerged Breakwater
title_sort wave control by tide adapting submerged breakwater
topic tide-adapting submerged breakwater
wave reflection
wave transmission
wave energy dissipation
breakwater development
hydraulic experiment
url http://joet.org/upload/pdf/joet-33-6-573.pdf
work_keys_str_mv AT woodonglee wavecontrolbytideadaptingsubmergedbreakwater
AT yeonmyeongjeong wavecontrolbytideadaptingsubmergedbreakwater
AT dongsoohur wavecontrolbytideadaptingsubmergedbreakwater