Publisher DOI: 10.1115/OMAE2017-61470
Title: Hydrodynamic damping and added mass of modern screw propellers
Language: English
Authors: Krüger, Stefan 
Abels, Wilfried 
Issue Date: 25-Sep-2017
Publisher: The American Society of Mechanical Engineers
Source: Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE (7B-2017): (2017)
Part of Series: Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE 
Volume number: 7B
Abstract (english): The operation of ships with "slow-steaming" poses new problems for the torsional vibration analysis of the drive train. It is well known that the propeller determines the essential part of the mass moment of inertia and the system damping. Both values are determined during the initial design phase by semiempirical methods with have originally been developed by Schwanecke and Grim between 1970 and 1980. Since then, propeller designs have changed significantly and it is unclear if modern propeller designs are still covered by these calculation methods. The paper suggests an extension of Grim's and Schwanecke's method for modern screw propellers in homogeneous and unsteady flow.
Conference: ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2017 
ISBN: 978-0-7918-5774-8
Institute: Entwerfen von Schiffen und Schiffssicherheit M-6 
Type: InProceedings (Aufsatz / Paper einer Konferenz etc.)
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