This paper presents the quantitative evaluation of influence of liquid sloshing on FLNG motion. The numerical analysis of coupled floating motion of FLNG with six (6) rectangular tanks was performed and the result was compared with the experiment. Then, two (2) case studies to assess the sloshing effect on FLNG were performed, followed by the investigation of sway and roll motions in the irregular seas.
The case studies show that the sloshing effect of LNG in tanks on FLNG motion is slightly different from that of water in tanks and the double-row tank arrangement is quite effective in reducing the influence of liquid sloshing on FLNG sway and roll motions. It is evident that the liquid sloshing reduces the FLNG roll motion in irregular seas around the roll natural period. It is also noted that the non-linear liquid sloshing further reduces the FLNG roll motion. Based on these facts, it is concluded that the linear numerical method gives reasonably conservative FLNG motion in irregular seas.
Study on the Influence of Liquid Sloshing on FLNG Motion
Lecture Notes in Civil Engineering
Practical Design of Ships and Other Floating Structures ; 2019 ; Yokohama, Japan September 22, 2019 - September 26, 2019
2020-10-06
14 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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