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http://dx.doi.org/10.12673/jant.2017.21.6.537

Development of Small-sized Model of Ray-type Underwater Glider and Performance Test  

Choi, Hyeung-sik (Department of Mechanical Engineering, Korea Maritime and Ocean University)
Lee, Sung-wook (Department of Naval Architecture and Ocean Systems Engineering, Korea Maritime and Ocean University)
Kang, Hyeon-seok (Department of Mechanical Engineering, Korea Maritime and Ocean University)
Duc, Nguyen Ngoc (Department of Mechanical Engineering, Korea Maritime and Ocean University)
Kim, Seo-kang (Department of Mechanical Engineering, Korea Maritime and Ocean University)
Jeong, Seong-hoon (Research Institute of Industrial Technology, Korea Maritime and Ocean University)
Chu, Peter C. (Department of Oceanography, Naval Postgraduate School)
Kim, Joon-young (Department of Mechanical Engineering, Korea Maritime and Ocean University)
Publication Information
Journal of Advanced Navigation Technology / v.21, no.6, 2017 , pp. 537-543 More about this Journal
Abstract
Underwater glider is the long-term operating underwater robot that was developed with a purpose of continuous oceanographic observations and explorations. Torpedo-type underwater glider is not efficient from an aspect of maneuverability, because it uses a single buoyancy engine and motion controller for obtaining propulsive forces and moments. This paper introduces a ray-type underwater glider(RUG) with dual buoyancy engine, which improves the control performance of buoyancy and motion compared with torpedo-type underwater glider. Carrying out Computational Fluid Dynamics (CFD) analysis as static pitch drift test, the performance of fluid resistance for gliding motion was identified. Based on the calculated hydrodynamic coefficients, the dynamic simulation compared and analyzed the motion performance of torpedo-type and ray-type while controlling same volume of buoyancy engine. Small-sized model of RUG was developed to perform fundamental performance tests.
Keywords
Computational fluid dynamics; Dual buoyancy engine; Mass Shifter; Ray-type underwater glider; Simulation;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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