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This paper presents a towing tank-based experiment study on hydrodynamic coefficients on the underwater glider — Seagull. The present measurements were carried out at typical speeds of glider (0.2–0.5m/s) with varying angle of attack and slide. The measurements were used to study variation of drag, lift and pitching moment coefficients and angle of attack. The measurements have also been used to validate...
Seagull is a small fully functional underwater glider designed for oceanographic research with 1 knot operating speed and six months duration. In this paper, we present the design of this glider and analyze its performance. The Seagull glider uses a piston-based buoyancy engine system with an inexpensive gear pump as the main system actuator. The Seagull's emergency release system is characterized...
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