This second part of the paper outlines the progress made in the full scale tests of real membrane containment systems subjected to action of breaking waves which model sloshing impacts in LNG tanks of LNG carriers or Floating LNG terminals (FLNGs). The waves were generated in a water flume using a wave focusing method. The tests were carried out within the Sloshel project. More detailed and more specific results of the Sloshel project are described in several associated papers. This paper explains steps undertaken to improve the test repeatability, to collect data for analysis of scaling laws, hydro structural interaction and effects of membrane corrugations which are characteristic for the MarkIII membrane systems. This includes description of the large and full scale test setups for testing of the Mark III containment system. The paper explains how the way of achieving the project goals evolved, presents some new results from the full scale tests of MarkIII containment system and summarises drawn conclusions.


The full scale (FS) tests of membrane containment systems subjected to action of sloshing impacts represented by breaking waves in a flume is the main subject of the Sloshel project. Brosset, Mravak, Kaminski, Collins and Finnigan (2009) outline the project. Table 1 summarises the large scale (LS) and the FS carried out so far. The reader is also referred to part 1 of the paper (Kaminski and Bogaert, 2009, 2010) for:

  • the Sloshel project background and its goals

  • description of the Sloshel consortium

  • selection of the test method - wave focusing in a water flume

  • the test facilities - the Delta and Scheldt flumes, for the full and large scale (1:6) tests, respectively

  • the full scale modular test setup for NO96 containment system

  • the newly developed and qualified sensors, like pressure gauges and impact capturing matrix sensor (iCAM)

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