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Experimental and numerical investigation of towing resistance of the innovative pneumatic life raft

Burciu Z., Abramowicz-Gerigk T., Jachowski J., Kornacka E., Wawrzusiszyn M.

Polish Maritime Research

2017

nr 2

40--47

The paper presents the experimental and numerical investigations of a novel design of a pneumatic life raft in calm water conditions. Two main issues were considered: the life raft performance under tow and its resistance in calm water conditions. The experiment and CFD simulations were performed by using the full scale prototype to eliminate the scale effect. The towing tank tests confirmed the results of numerical computations. The compatibility of the results of numerical and experimental tests was high mainly because the new life raft does not deform under the hydrodynamic and aerodynamic loads. The characteristics similar to rigid body behaviour result mainly from a new construction and materials used for manufacturing the life raft.