Water-lubricated bearings of ship propeller shafts - problems, experimental tests and theoretical investigations In recent years can be met ships whose propeller shaft polymer bearings are lubricated with water. It results from simplicity and associated low cost of such solution which is also environmentally friendly as no risk of pollution is involved. However the solution is not free of disadvantages. The main problem is intensive wear of bush material, occurring in certain cases. It very often results from errors of improper design and machining and mounting operations. Another problem is a limited value of its hydrodynamic load-carrying capacity, resulting from low viscosity of water used as a lubricating medium.As results from the performed research investigations, bearing of the kind is a highly sensitive unit. Problems of choosing a suitable bearing clearance, designing an optimum bush geometry, selecting a proper bush material are crucial for lifitime of the bearing.


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    Title :

    Water-lubricated bearings of ship propeller shafts - problems, experimental tests and theoretical investigations


    Contributors:

    Published in:

    Publication date :

    2009




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    Unknown



    Classification :

    BKL:    55.40 Schiffstechnik, Schiffbau / 50.92 Meerestechnik