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Hydrodynamics of a conceptual FLNG system in side-by-side offloading operation

Jin, Y ORCID: 0000-0002-4336-2680, Chai, S ORCID: 0000-0001-5186-4456, Duffy, J ORCID: 0000-0003-3484-1345, Chin, C ORCID: 0000-0002-3070-731X and Bose, N ORCID: 0000-0002-6444-0756 2018 , 'Hydrodynamics of a conceptual FLNG system in side-by-side offloading operation' , Ships and Offshore Structures , pp. 1-22 , doi: 10.1080/17445302.2018.1482041.

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Abstract

This paper investigates the hydrodynamics of an floating liquefied natural gas (FLNG)–liquefied natural gas (LNG) offloading system in a side-by-side configuration using potential flow solver AQWA. The system is moored by an internal turret mooring system allowing itself to weathervane under external disturbances and is designed to operate in a sea environment close to that on the coast of Western Australia. Initially, validations are presented for the computed wave loads, representative motion responses and mooring loads. The results are compared against experimental data and those gathered from literatures. Time domain analyses are carried out for the FLNG–LNG system coupled with hawser, fender and mooring systems under the combination of wind, current and waves. The relative motions between the FLNG and LNG in the horizontal plane as well as the mechanical loads on the hawsers, fenders and moorings are computed. Furthermore, the effects of varying hawser pretension and stiffness on the hydrodynamic performance are investigated.

Item Type: Article
Authors/Creators:Jin, Y and Chai, S and Duffy, J and Chin, C and Bose, N
Keywords: floating liquefied natural gas, side-by-side offloading, time domain analysis, motion responses
Journal or Publication Title: Ships and Offshore Structures
Publisher: Taylor & Francis Ltd
ISSN: 1744-5302
DOI / ID Number: 10.1080/17445302.2018.1482041
Copyright Information:

Copyright 2018 Informa UK Limited, trading as Taylor & Francis Group

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