Advances in Assessment of LNG Sloshing for Large Membrane Ships (eBook)

Published Date

January 2005

Advances in Assessment of LNG Sloshing for Large Membrane Ships (eBook)

(Excludes any applicable taxes)

This paper highlights recent advances in sloshing load prediction and membrane capacity assessment for large capacity carriers. (8pp)

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Large ships reduce delivery costs through and will help meet the demand for ship volume with the existing construction capacity.

The excellent performance history of LNG ships over the past 40 years is a well-established fact. However, the introduction of large LNG ships poses new technical challenges for the industry. One of the challenges in moving to larger ships is the potential to have higher cargo sloshing loads with larger ship tanks. Since membrane insulation systems are installed inside the tank, they are in direct contact with the LNG and so must be capable of withstanding all loads from sloshing.

Qatargas II and ExxonMobil have led a major technical effort with, collaboration from Gaztransport & Technigaz, to enable the safe design of a new class of cost effective large LNG membrane ships for our projects.

This paper highlights our recent advances in sloshing load prediction and membrane capacity assessment. These advances were essential to establishing requirements for the industry's first application of LNG ships up to 216,000 m3, a significant increase in size over the 155,000 m3 LNG ships recently ordered by industry, and will enable the safe design of even larger, 250,000 m3 LNG ships.

Paper Delivered by:
A. J. Richardson (Qatargas)
W. H. Bray (Qatargas)
R. E. Sandström
R. T. Lokken
M. A. Danaczko (ExxonMobil)

Prepared for:
Gastech Bilbao 2005

For over 45 years, the Gastech Exhibition & Conference has been at the forefront of the international gas and LNG market. This world-renowned event is regarded as the most significant meeting place for gas and LNG professionals, where the global industry gathers to do business.

Gastech hosts major IOCs, NOC’s, global utility companies, EPC contractors, shipbuilders, pipeline companies, manufacturers, distributors, technology and service providers, all who play an active role in the global energy value chain.

Title: Advances in Assessment of LNG Sloshing for Large Membrane Ships (eBook)
Product Code: 4433g084
Published Date: January 2005

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