Experimental investigation of effects of inner-tank sloshing on hydrodynamics of an flng system
2012
ZHAO, Wen-hua | YANG, Jian-min | HU, Zhi-qiang | XIAO, Long-fei
The present research focuses on experimentally clarifying the effect of inner-tank sloshing on the hydrodynamics of an Floating Liquefied Natural Gas (FLNG) system. Through the comparisons of the results obtained from the model tests carried out with the vessel model ballasted with liquid and solid cargo separately, the effects of the inner-tank sloshing on the hydrodynamics of an FLNG system are highlighted and presented. Statistical languages of the maximum, minimum, mean values and the standard deviations and power density spectra calculated with the help of the algorithm of Fast Fourier Transformation (FFT) are provided. It is concluded that the effects of the inner-tank sloshing on the responses of the FLNG system are sensitive to wave excitation frequencies, and that the effects of the inner-tank sloshing play an important role, particularly in the roll motion of the FLNG hull. The outcome of the proposed technique would offer constructive feedback, which can lead to more practical applications and can serve as a reference for the verification of the potential numerical simulations by other researchers.
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