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Indexed by:会议论文
Date of Publication:2018-10-14
Page Number:230-234
Abstract:An anti-sloshing concept for FLNG tanks is investigated by taking advantage of floating foam layers. Physical experiments are conducted in a rectangular tank to investigate the sloshing properties. Effects of the layer thickness on the sloshing dynamics are analyzed. It shows that the floating foam layer can efficiently damp the free surface oscillations and reduce the pressure amplitude in a tank. Higher-order frequency components of the hydrodynamic pressure in the tank gradually vanishes as the foam thickness increases. Considering the economy in practice, the thickness of the foam layer should be as small as possible, as long as the sloshing mitigation effect can be guaranteed. For the present situation, a suitable choice of the foam thickness is recommended to be one-tenth the mean liquid depth. Copyright © 2018 by the International Society of Offshore and Polar Engineers