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Experimental Study of Morphological Changes and Flow Structure around the Vegetated Groyne

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@article{IJASEIT3513,
   author = {Pratiwi Aziz and Akihiro Kadota},
   title = {Experimental Study of Morphological Changes and Flow Structure around the Vegetated Groyne},
   journal = {International Journal on Advanced Science, Engineering and Information Technology},
   volume = {8},
   number = {1},
   year = {2018},
   pages = {99--107},
   keywords = {Flow visualization; morphological changes; vegetated groyne; Shigenobu river.},
   abstract = {There are many steep rivers in Japan, one of them is Shigenobu river, and the water pressure at the time of flooding is severe. This study focuses on clarifying the vegetated groyne not only to prevent scouring and sedimentation problems but also to optimize for ecosystems and landscapes, which cuts the upper half of the existing groyne constructed and installs a permeable part at the top of it. In this research, investigation of the more efficient vegetated groyne was carried out. The vegetation has been represented as the wooden bar with setting various sizes (diameter of the wooden), changing the density of the vegetation part to be installed, with setting different conditions. The flow visualization and bed changes are the two components which analysed. The measurements in the laboratory flume were characterized by observation of flow structures with particle image velocimetry. The results show that the effect becomes vegetated groyne, the flow rate difference with the inner side of the river has been stabilized. Sediment accumulation and local scouring are reduced, and clearly, there is an effect of suppressing excessive scouring and sedimentation as compared with the existing groyne. With paying attention to the area ratio of the wood rod in the upper part of the groyne, the effect of suppressing riverbed fluctuation was more demonstrated when 1/5 than 1/10. Moreover, for the diameter of the wood stick, it was revealed that the vegetated groyne with the diameter of 8 mm and 5 mm exerts more effect than 10 mm.},
   issn = {2088-5334},
   publisher = {INSIGHT - Indonesian Society for Knowledge and Human Development},
   url = {http://ijaseit.insightsociety.org/index.php?option=com_content&view=article&id=9&Itemid=1&article_id=3513},
   doi = {10.18517/ijaseit.8.1.3513}
}

EndNote

%A Aziz, Pratiwi
%A Kadota, Akihiro
%D 2018
%T Experimental Study of Morphological Changes and Flow Structure around the Vegetated Groyne
%B 2018
%9 Flow visualization; morphological changes; vegetated groyne; Shigenobu river.
%! Experimental Study of Morphological Changes and Flow Structure around the Vegetated Groyne
%K Flow visualization; morphological changes; vegetated groyne; Shigenobu river.
%X There are many steep rivers in Japan, one of them is Shigenobu river, and the water pressure at the time of flooding is severe. This study focuses on clarifying the vegetated groyne not only to prevent scouring and sedimentation problems but also to optimize for ecosystems and landscapes, which cuts the upper half of the existing groyne constructed and installs a permeable part at the top of it. In this research, investigation of the more efficient vegetated groyne was carried out. The vegetation has been represented as the wooden bar with setting various sizes (diameter of the wooden), changing the density of the vegetation part to be installed, with setting different conditions. The flow visualization and bed changes are the two components which analysed. The measurements in the laboratory flume were characterized by observation of flow structures with particle image velocimetry. The results show that the effect becomes vegetated groyne, the flow rate difference with the inner side of the river has been stabilized. Sediment accumulation and local scouring are reduced, and clearly, there is an effect of suppressing excessive scouring and sedimentation as compared with the existing groyne. With paying attention to the area ratio of the wood rod in the upper part of the groyne, the effect of suppressing riverbed fluctuation was more demonstrated when 1/5 than 1/10. Moreover, for the diameter of the wood stick, it was revealed that the vegetated groyne with the diameter of 8 mm and 5 mm exerts more effect than 10 mm.
%U http://ijaseit.insightsociety.org/index.php?option=com_content&view=article&id=9&Itemid=1&article_id=3513
%R doi:10.18517/ijaseit.8.1.3513
%J International Journal on Advanced Science, Engineering and Information Technology
%V 8
%N 1
%@ 2088-5334

IEEE

Pratiwi Aziz and Akihiro Kadota,"Experimental Study of Morphological Changes and Flow Structure around the Vegetated Groyne," International Journal on Advanced Science, Engineering and Information Technology, vol. 8, no. 1, pp. 99-107, 2018. [Online]. Available: http://dx.doi.org/10.18517/ijaseit.8.1.3513.

RefMan/ProCite (RIS)

TY  - JOUR
AU  - Aziz, Pratiwi
AU  - Kadota, Akihiro
PY  - 2018
TI  - Experimental Study of Morphological Changes and Flow Structure around the Vegetated Groyne
JF  - International Journal on Advanced Science, Engineering and Information Technology; Vol. 8 (2018) No. 1
Y2  - 2018
SP  - 99
EP  - 107
SN  - 2088-5334
PB  - INSIGHT - Indonesian Society for Knowledge and Human Development
KW  - Flow visualization; morphological changes; vegetated groyne; Shigenobu river.
N2  - There are many steep rivers in Japan, one of them is Shigenobu river, and the water pressure at the time of flooding is severe. This study focuses on clarifying the vegetated groyne not only to prevent scouring and sedimentation problems but also to optimize for ecosystems and landscapes, which cuts the upper half of the existing groyne constructed and installs a permeable part at the top of it. In this research, investigation of the more efficient vegetated groyne was carried out. The vegetation has been represented as the wooden bar with setting various sizes (diameter of the wooden), changing the density of the vegetation part to be installed, with setting different conditions. The flow visualization and bed changes are the two components which analysed. The measurements in the laboratory flume were characterized by observation of flow structures with particle image velocimetry. The results show that the effect becomes vegetated groyne, the flow rate difference with the inner side of the river has been stabilized. Sediment accumulation and local scouring are reduced, and clearly, there is an effect of suppressing excessive scouring and sedimentation as compared with the existing groyne. With paying attention to the area ratio of the wood rod in the upper part of the groyne, the effect of suppressing riverbed fluctuation was more demonstrated when 1/5 than 1/10. Moreover, for the diameter of the wood stick, it was revealed that the vegetated groyne with the diameter of 8 mm and 5 mm exerts more effect than 10 mm.
UR  - http://ijaseit.insightsociety.org/index.php?option=com_content&view=article&id=9&Itemid=1&article_id=3513
DO  - 10.18517/ijaseit.8.1.3513

RefWorks

RT Journal Article
ID 3513
A1 Aziz, Pratiwi
A1 Kadota, Akihiro
T1 Experimental Study of Morphological Changes and Flow Structure around the Vegetated Groyne
JF International Journal on Advanced Science, Engineering and Information Technology
VO 8
IS 1
YR 2018
SP 99
OP 107
SN 2088-5334
PB INSIGHT - Indonesian Society for Knowledge and Human Development
K1 Flow visualization; morphological changes; vegetated groyne; Shigenobu river.
AB There are many steep rivers in Japan, one of them is Shigenobu river, and the water pressure at the time of flooding is severe. This study focuses on clarifying the vegetated groyne not only to prevent scouring and sedimentation problems but also to optimize for ecosystems and landscapes, which cuts the upper half of the existing groyne constructed and installs a permeable part at the top of it. In this research, investigation of the more efficient vegetated groyne was carried out. The vegetation has been represented as the wooden bar with setting various sizes (diameter of the wooden), changing the density of the vegetation part to be installed, with setting different conditions. The flow visualization and bed changes are the two components which analysed. The measurements in the laboratory flume were characterized by observation of flow structures with particle image velocimetry. The results show that the effect becomes vegetated groyne, the flow rate difference with the inner side of the river has been stabilized. Sediment accumulation and local scouring are reduced, and clearly, there is an effect of suppressing excessive scouring and sedimentation as compared with the existing groyne. With paying attention to the area ratio of the wood rod in the upper part of the groyne, the effect of suppressing riverbed fluctuation was more demonstrated when 1/5 than 1/10. Moreover, for the diameter of the wood stick, it was revealed that the vegetated groyne with the diameter of 8 mm and 5 mm exerts more effect than 10 mm.
LK http://ijaseit.insightsociety.org/index.php?option=com_content&view=article&id=9&Itemid=1&article_id=3513
DO  - 10.18517/ijaseit.8.1.3513