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STUDY OF UNSTEADY SHIP MOTION AT A LIMITED DEPTH

Experimental investigations of unsteady ship motion in shallow water have been carried out at the Institute of Hydromechanics AN UkrSSR. Large-scale models were towed through a gravitational-type research pool at various depths. The changes in resistance as a function of model speed during acceleration and consequent inertial path, starting from the instant of automatic removal of the driving force, were studied. A reduction in resistance during acceleration was noticed in the region of critical velocities. Formulas were obtained for the calculation of the instantaneous and average over-a-given-interval arguments for the value of the coefficient of added mass. In general, the work represents a search for approaches to further investigation

  • Authors:
    • Yankovskiy, L I
  • Publication Date: 1967

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Filing Info

  • Accession Number: 00014923
  • Record Type: Publication
  • Source Agency: Joint Publications Research Service
  • Files: TRIS
  • Created Date: May 7 1973 12:00AM