A vertically arranged twin-pod autonomous underwater vehicle (AUV) is presently under development in St. John’s Newfoundland. Placing heavy batteries and payloads in the lower pod and placing the light controller and communication electronics on the upper pod a large separation of the centre of gravity (CG) and the centre of buoyancy (CB) can be achieved. With the large vertical separation between CG and CB the twin-pod vehicle becomes highly stable in pitch and roll and thus provides an ideal platform for obtaining photos, video and sonar images of the seabed. This paper presents the hydrodynamic studies have being done in support of this novel AUV design and development.
Keywords:
vehicle,
shaft speed,
hull,
reynolds number effect,
propeller performance,
coefficient,
simulation,
vector,
underwater vehicle,
pitch test
Subjects:
Information Management and Systems
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Copyright 2010, The Society of Naval Architects and Marine Engineers
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