Wake Volume Characteristics Considering Artificial Reef Canyon Intervals Constructed by Flatly Distributed Artificial Reef Set

평면 분산된 인공어초 집합의 어초협곡 간격에 따른 후류체적 특성

Jung, Somi;Kim, Dongha;Na, Won-Bae

  • Received : 2015.07.17
  • Accepted : 2016.06.24
  • Published : 2016.06.30


Considering the artificial reef (AR) canyon intervals facilitated by flatly distributed placement models, the wake volumes of 25 AR sets were characterized through the following works. First, twenty-five different canyon intervals were established to investigate how the intervals affect the wake volumes of the AR placement models, each with nine cube-type ARs. Second, the element-based finite-volume method was used to facilitate flow analyses. Third, the so-called wake volume concept was adopted, and finally a reasonable placement interval was found based on the size of the wake volumes and the associated unit propagation indices. From the analysis results, it was found that a maximum wake volume of 25.18 m3 was generated when the longitudinal and transverse intervals were fixed at 6 m and 0 m, respectively. Thus, to magnify the wake volume, it is recommended that artificial reefs be placed at intervals of 6 m (3 times the reef length) in the flow direction, with no intervals in the normal direction, implicitly indicating that an intensively stacked placement model is a better option to efficiently secure a larger wake volume for the cube-type ARs.


Artificial reef set;Wake volume;Artificial reef canyon;Flatly distributed placement model;Element-based finite-volume method


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