Condenser scoops have attractive features for circulating cooling sea water through the main condenser. However further developements are required to enable the designer to fully utilize the simplification and cost reduction attributed to the scoop system. Therefore this paper reviews recent machinery aft condenser installations, developements in inlet and outlet scoop designs, and boundary layer measurements at the outlet scoop locations of a 91,000 Dwt. and a 160,000 Dwt. tanker. A rational approach based on Hotta's formulation is discussed for estimating the effects of sea water temperature, condenser tube fouling, and reduced scoop flow during operation on the condenser vacuum. A simulation study using the HAMPTON MARU service data is presented to illustrate this approach. Revelant experience in condenser corrosion and fouling is also reviewed and a proposal for using Campbell's condenser tube tester in shipboard condenser corrosion and fouling research is presented.(Wassmann)


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    Titel :

    Operational considerations for designing machinery aft condenser-condenser scoop systems


    Weitere Titelangaben:

    Betriebliche Gesichtspunkte beim Entwurf eines Unterwasser-Kondensator-Kondensator-Schaufelsystems


    Beteiligte:
    Latorre, R. (Autor:in)


    Erscheinungsdatum :

    1978


    Format / Umfang :

    12 Seiten, 17 Bilder, 6 Tabellen, 26 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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