Effects of phase transition of LNG during sloshing are investigated by numerically simulating LNG and its vapor as the approaching liquid inside tank. Boiling mechanism of liquid cargo in saturated state based on the basic theory of heat transfer is clarified with consideration of the LNG thermodynamic properties. And the effect of phase transition of cargo liquid during the sloshing is simulated using CFD code-Fluent. The parameter sensitivity analysis on LNG tank sloshing impact load is conducted based on the developed numerical method above. Liquid sloshing phenomenon inside tank is analyzed under the theoretical study and numerical method. The time histories of the liquid free surface shape and the dynamic sloshing impact inside the tank are obtained, which are well agreed with related data. The sloshing impact assessment method is developed through the parameter sensitivity analysis based on the numerical method.
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The Twenty-fifth International Ocean and Polar Engineering Conference
June 21–26, 2015
Kona, Hawaii, USA
ISBN:
978-1-880653-89-0
Effect of Cargo Phase Transition on Sloshing Impact of LNG Carrier Tank
Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, Kona, Hawaii, USA, June 2015.
Paper Number:
ISOPE-I-15-061
Published:
June 21 2015
Citation
Xu, S., and J. S. Lu. "Effect of Cargo Phase Transition on Sloshing Impact of LNG Carrier Tank." Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, Kona, Hawaii, USA, June 2015.
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