HYKAT

The large hydrodynamic and cavitation tunnel of the Hamburg Ship Model Basin HSVA. In HYKAT, propeller cavitation tests and propulsion optimization tests are performed with complete ship models to create a proper three-dimensional wake field for the propeller. The wake fraction and the relative rotative efficiency can be determined similarly to a self-propulsion test in a towing tank. The main advantages of these tests compared to towing tank tests are the higher Reynolds numbers and the ease with which the velocities and the propeller loadings can be varied.

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