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abstract
In order to solve the performance limitations of traditional ship-type and cylindrical FPSO, this paper describes a new concept of sandglass-type floating body. In order to verify the performance advantages of the new concept of design, a series of tests with the sandglass-type and cylindrical floating models were carried out, which include free decay, regular and irregular wave experiments. Finally, the characteristic of natural period, viscous damping and motion response for the new sandglass-type model was studied. By comparing the experimental results of the two floating models, some useful conclusions can be made as follows: the design of sandglass-type shape floating body can significantly improve the heave motion performance of FPSO and can be considered as an attractive alternative system in deep water for offshore petroleum exploration.
Acknowledgements
The authors are grateful to all organizations that funded the research in this paper, which was financially supported by the National Innovation Team Foundation under grant no. 50921001 (China), the National Natural Science Foundation of China (Grant No. 11202047), the Scientific Research Foundation for Introduction of Talent under grant no. DUT13RC(3)46 (China), Scientific Research Innovation Team Project under grant no. DUT15TD35 (China), and Natural Science Foundation of Liaoning Province under grant no. 2015020157 (China).
Disclosure statement
No potential conflict of interest was reported by the authors.