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A Review of Available Methods for the Assessment of Fluid Added Mass, Damping, and Stiffness With an Emphasis on Hydraulic Turbines
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-5143-7729
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0001-6016-6342
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-7599-0895
2018 (English)In: Applied Mechanics Review, ISSN 0003-6900, E-ISSN 1088-8535, Vol. 70, no 5, article id 050801Article in journal (Refereed) Published
Abstract [en]

Fluid added mass, damping, and stiffness are highly relevant parameters to consider when evaluating the dynamic response of a submerged structure in a fluid. The prediction of these parameters for hydraulic turbines has been approached relatively recently. Complex fluid-structure analyses including three-dimensional flow and the need for experiments during operation are the main challenges for the numerical and experimental approaches, respectively. The main objective of this review is to address the impact of different parameters, for example, flow velocity, cavitation, nearby solid structure, and rotational speed on the fluid added mass and damping of Kaplan/Propeller and Francis turbine runners. The fluid added stiffness is also discussed in the last section of the paper. Although studies related to hydraulic turbines are the main objective of this paper, the literature on hydrofoils is also taken into consideration to provide valuable information on topics such as individual runner blades. In this literature survey, the analytical, numerical, and experimental approaches used to determine fluid added parameters are discussed, and the pros and the cons of each method are addressed.

Place, publisher, year, edition, pages
ASME Press, 2018. Vol. 70, no 5, article id 050801
Keywords [en]
fluid added mass, fluid added damping, fluid added stiffness, Francis turbine, Kaplan turbine, hydrofoils
National Category
Fluid Mechanics and Acoustics Other Mechanical Engineering
Research subject
Fluid Mechanics; Computer Aided Design
Identifiers
URN: urn:nbn:se:ltu:diva-72502DOI: 10.1115/1.4042279ISI: 000458511300001Scopus ID: 2-s2.0-85059957623OAI: oai:DiVA.org:ltu-72502DiVA, id: diva2:1276829
Note

Validerad;2019;Nivå 2;2019-01-29 (svasva)

Available from: 2019-01-09 Created: 2019-01-09 Last updated: 2019-08-26Bibliographically approved

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Soltani Dehkharqani, ArashAidanpää, Jan-OlovEngström, FredrikCervantes, Michel

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