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Review Article

Appl. Mech. Rev. 2019;70(5):050801-050801-20. doi:10.1115/1.4042279.

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.

Commentary by Dr. Valentin Fuster

Publisher's Note

Appl. Mech. Rev. 2018;70(5):057001-057001-1. doi:10.1115/1.4041944.

The author name is incorrectly displayed on the ASME Digital Collection as A. P. Selvadurai. The author name is A. P. S. Selvadurai, as is shown in the paper PDF.

Commentary by Dr. Valentin Fuster

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