Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session S01: Poster Session & Refreshment Break IV (3:34 - 4:25 p.m.)
3:34 PM,
Monday, November 20, 2023
Room: Exhibit Hall D
Abstract: S01.00137 : An experimental study to stabilize the distribution of surface flow velocities in a circulating water tunnel for resistance and self-propulsion test of autonomous underwater vehicle*
Presenter:
Sejin Jung
(Korea Institute of Ocean Science and Technology)
Authors:
Jihoon Kim
(Korea Institute of Ocean Science and Technology)
Sejin Jung
(Korea Institute of Ocean Science and Technology)
Seong Min Moon
(Korea Institute of Ocean Science and Technology)
Heungchan Kim
(Korea Institute of Ocean Science and Technology)
Chang Hyeon Seo
(Korea Institute of Ocean Science and Technology)
In Sung Jang
(Korea Institute of Ocean Science and Technology)
Ganghee Lee
(Korea Institute of Ocean Science and Technology)
Therefore, adjusting the rate when conducting an experiment near the water-air surface in the water circulation was necessary. The flow velocity distribution at the boundary's vertical and horizontal directions is a significant parameter. A specialized system was designed and installed to accelerate the surface flow rate according to the inflow velocity. The added inertial force at the surface was found to have an effect up to a depth of more than 30 cm. It plans to make the acceleration effect of the flow speed through the particle image velocimetry and laser doppler velocimeter.
*This work was supported by Korea Research Institute for Defense Technology Planning and Advancement (KRIT) grant funded by the Korea government (DAPA, Defense Acquisition Program Administration) (No. 20-102-D00-006, Development of a biomimetic underwater robot platform, 2023). Additionally, this research was supported in part by Korea Institute of Marine Science & Technology Promotion(KIMST) funded by the Ministry of Oceans and Fisheries(RS-2023-00256122)
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