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  4. Hydrodynamic damping and added mass of modern screw propellers
 
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Hydrodynamic damping and added mass of modern screw propellers

Publikationstyp
Conference Paper
Date Issued
2017-09-25
Sprache
English
Author(s)
Krüger, Stefan  
Abels, Wilfried  
Institut
Entwerfen von Schiffen und Schiffssicherheit M-6  
TORE-URI
http://hdl.handle.net/11420/4802
First published in
Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE  
Number in series
7B
Citation
Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE (7B-2017): (2017)
Contribution to Conference
ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2017  
Publisher DOI
10.1115/OMAE2017-61470
Publisher
The American Society of Mechanical Engineers
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.
DDC Class
600: Technik
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