The paper reviews some important aspects of hull/machinery interaction with respect to the alignment of the main machinery and propulsion shafting. With the growth in size of oil tankers some means for providing shafting system flexibility was required. Whilst there are several ways that this could be achieved most designers have elected to use fewer bearings. The subsequent disadvantages that can arise, both from the design of the shafting system itself and the installation on board, are discussed. The strain gauge method of measuring static alignment is explained, together with an appraisal of the major assumptions that have to be made in calculating the 'straight line' bending moments. The importance of being able to measure the alignment under operating conditions is stressed and examples of dynamic alignment measurements are given. (Wassmann)
Static and dynamic alignment
Statisches und dynamisches Ausrichten
1979
11 Seiten, 10 Bilder, 1 Tabelle, 32 Quellen
Conference paper
English
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