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Numerical simulation of liquid sloshing in LNG tanks using a compressible two-fluid flow model

Chen, Y.G., Price, W.G. and Temarel, P. (2009) Numerical simulation of liquid sloshing in LNG tanks using a compressible two-fluid flow model At 19th (2009) International Offshore and Polar Engineering Conference (ISOPE-2009). 21 - 26 Jun 2009. 10 pp, pp. 221-230.

Record type: Conference or Workshop Item (Other)


In this investigation the Reynolds-Averaged Navier-Stokes (RANS) equations are modified to account for variable density and viscosity of the two-fluids flow (i.e. water-air), assuming both fluids compressible. By introducing a preconditioner, the governing equations in terms of primitive variables are solved for both fluids in a unified manner. The non-conservative implicit Split Coefficient Matrix Method (SCMM) is modified to approximate convective flux vectors in the dual time formulation. The free surface waves inside the tank, due to sloshing, are implicitly captured by using a level set approach. The method is illustrated through applications to rectangular and chamfered tanks subject to sway or roll motions at different filling levels and excitation conditions (i.e. amplitude and frequency of oscillation). Comparisons are made between calculated and experimental pressures, where available.

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Published date: June 2009
Venue - Dates: 19th (2009) International Offshore and Polar Engineering Conference (ISOPE-2009), 2009-06-21 - 2009-06-26
Keywords: Sloshing, impact pressure, compressible interface flow, level set method, LNG tank
Organisations: Fluid Structure Interactions Group


Local EPrints ID: 68614
ISBN: 9781880653531
PURE UUID: be0e384b-651e-417d-a78f-2a06f73ea983
ORCID for P. Temarel: ORCID iD

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Date deposited: 09 Sep 2009
Last modified: 19 Jul 2017 00:17

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Author: Y.G. Chen
Author: W.G. Price
Author: P. Temarel ORCID iD

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