NDLI: A Novel Approach for Selecting Main Dimensions of New Sandglass-Type FPSO

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Du, Yazhen Wang, Wenhua Wang, Linlin Huang, Yi
Copyright Year	2017
Abstract	In order to fully exploit the potential of FPSOs in the development of offshore oil field, a new concept of sandglass-type FPSO has been put forward recently. In this paper, a novel approach is proposed for designing the main dimensions of the new sandglass-type floating body. With the application of the strip method, the wave-free frequency in heave motion is intensively investigated. The resulting expression shows that the wave-free frequency has close connection with the water-plane area and the corresponding added mass. Then a uniform approximation of the relationship between the added mass and the main dimensions of structure below the waterline is discussed. By comparing with the numerical results of minimum heave RAO of heave motion, the validity and rationality of the proposed method are verified. Besides, experiments are carried out for the sandglass-type floating model and the results support the numerical results and the proposed method. Finally, combining with other requirements in the configuration of the structure above the waterline for the operation at sea, the design scheme for the main dimensions of the sandglass-type FPSO is established.
Sponsorship	Ocean, Offshore and Arctic Engineering Division
File Format	PDF
ISBN	9780791857748
DOI	10.1115/OMAE2017-62377
Volume Number	Volume 7B: Ocean Engineering
Conference Proceedings	ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering
Language	English
Publisher Date	2017-06-25
Publisher Place	Trondheim, Norway
Access Restriction	Subscribed
Subject Keyword	Design Oil fields Water Strips Approximation Seas Floating bodies Fpso Dimensions Ocean engineering Waves
Content Type	Text
Resource Type	Article

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