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- W2040677722 abstract "Aquatic animals, which are the result of many millions of years of evolutionary optimization, are very quick, efficient, robust, and versatile. Accordingly, biologically-inspired mechanisms which emulate the movement of animals have recently become very popular. For the efficient design of a propulsion system it is very important to analyze the fluid flow in detail. CFD (Computational Fluid Dynamics) has become a powerful technique to understand the phenomena because it gives extensive information about the fluid flow characteristics. In the present work, a propulsion system consisting of an undulating fin which emulates the fish swimming was built. In order to optimize the mechanism, several undulating configurations were studied using a 3D turbulent CFD model. The thrust, drag, efficiency and hydrodynamic characteristics were analyzed. Furthermore, it was shown that the efficiency and thrust depend strongly on the oscillation frequency, amplitude and wavelength. In order to validate this CFD model, the numerically obtained thrust was successfully compared with experimental results from the laboratory mechanism." @default.
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- W2040677722 date "2011-01-01" @default.
- W2040677722 modified "2023-10-14" @default.
- W2040677722 title "Three-dimensional cfd analysis to study the thrust and efficiency of a biologically-inspired marine propulsor" @default.
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- W2040677722 doi "https://doi.org/10.2478/v10012-011-0002-2" @default.
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