4476 “Some Hydrodynamic Considerations of Propeller-Induced Ship Vibrations”

“Some Hydrodynamic Considerations of Propeller-Induced Ship Vibrations”, By Schelte Hylarides and Peter van Oossanen, Published in the Proceedings of the SNAME Symposium on Ship Vibration, Arlington, Virginia, USA, 16-17 October 1978 (ID No. 4476).

This paper presents a survey of some hydrodynamic aspects associated with propeller-induced ship vibrations – specifically the effects of the wake and its structure in which the propeller operates. The paper reveals that it is possible to modify this structure (by introducing a partial tunnel to the stern for channeling the flow in the upper region of the propeller disc) to eliminate some of the greatest inhomogeneity, thereby attaining lower vibration-excitation levels.

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