Assessment of transient sloshing due to encounter of an LNG carrier with a steep wave

Schreier, Sebastian, Godderidge, Bernhard, Paschen, Mathias, Turnock, Stephen, Tan, Ming Yi and Cowlan, Nicholas (2009) Assessment of transient sloshing due to encounter of an LNG carrier with a steep wave. In, 28th International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2009), Honolulu, USA, 31 May - 05 Jun 2009. USA, American Society of Mechanical Engineers10pp.


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This study investigates a transient sloshing flow in a rectangular tank by comparing model tests and unsteady Reynolds-Averaged Navier-Stokes CFD simulation. The sloshing flow is excited by a normally periodic surge motion, which is then subjected to a transient akin to an LNG carrier encountering a particularly steep wave. It is found that the impact pressure recorded in the transient motion is several times greater than that observed at resonance. High speed video data and CFD simulation is used to analyse the sloshing flow. The severity is explained by the absence of entrained air bubbles prior to impact and the second mode response one half period before impact.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Paper: OMAE2009-79080
Related URLs:
Keywords: lng, sloshing, cfd, steep waves
Subjects: T Technology > TC Hydraulic engineering. Ocean engineering
V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences > Fluid-Structure Interactions
ePrint ID: 66456
Accepted Date and Publication Date:
3 June 2009Published
Date Deposited: 18 Jun 2009
Last Modified: 31 Mar 2016 12:52

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