For more than 25 years various oil recovery systems were analyzed and optimized. However, the operation of current systems is restricted to wave heights up to 1.5 m. A new sea state-independent oil skimming system (SOS), which can skim the oil film off the sea surface as quickly as necessary even in rough seas, has been developed at TU Berlin and patented in Germany and the USA. The skimming concept is based on purely hydrodynamic principles. A specially shaped bow segment glides on the water surface, damping the waves. The oil layer flows underneath the SOS bow towards a transverse blade, where it is separated from water. At the trailing edge of the bow segment a vortex develops and accelerates the oil particles in addition to their positive buoyancy to the free water surface of the moon pool. Wave-induced sloshing effects convey the oil over adjustable slopes into oil sumps, from where it is pumped off. The so-called CUSP-designs of moon pool's front and rear walls serve to stabilize the vortex behind the bow segment and retain the skimmed oil in the moon pool. The system was optimized in various numerical and experimental analyses, using the carrier vessel MPOSS (a catamaran) at model scales of 1:15 and 1:9 respectively. Other suitable carrier vessels for the optimized skimmer configuration are also considered.


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    Titel :

    An innovative offshore oil skimming system for operations in harsh seas


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2008


    Format / Umfang :

    10 Seiten, 13 Bilder, 9 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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    Abu Amro, Mazen / Sprenger, Florian / TU Berlin | Taylor & Francis Verlag | 2008





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