Abstract
In this paper, the non-similarity sloshing-induced slamming phenomena in geometrically similar Gaztransport & Technigaz (GTT) membrane-type floating liquefied natural gas (FLNG) facilities are investigated. The experiments were conducted in three scaled prismatic tanks at scales of 1/20, 1/40, and 1/60 with roll excitation, and the impact pressure was measured. The experimental results demonstrate that the kinematic free-surface behavior, time traces, and spatial distribution of the impact pressure during a single roll wave impact exhibit non-similarity in the three geometrically similar tanks. Furthermore, the quantitative statistical analysis of the impact pressure and impact rise time indicates that Froude’s law yields conservative estimates for the slamming force in the tank by using the same experimental media.
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