Wavebox

WAVEBOX

The Wavebox is a prototype that attempts to mimic the orbital motion of the particles of a wave. In airy linear theory from the point of view of the wave the particles move in circular motion with a radius that decreases with depth. The Wavebox encloses a section of the fluid and the floater rotating with a circular or elliptical movement that induces a response similar to the wave tank or NWT models.

wavebox protoype
wavebox

It is projected for small scale fast and affordable tests at the beginning of the design process (1:100 scale). This model was constructed for a proof of concept, but it is being scaled up to use bigger floaters with more easily detectable motion responses. his project remains currently under development in a joint Tecnalia-UPV-EHU project.

TECHNICAL CHARACTERISTICS AND COMPONENTS

  • Dimensions of the tank: D=0.25m, H=0.6 m
  • Motors: 3 motors Stepper RSPRO 1.2 Nm x3000RPM at 36V. 2 in diagonal in the Z axis, 1 motor in X axis
  • Mass moved: 10 kg
  • Operating period T (s) = 1-10s
  • Operating Amplitude = 0.05-5 cm

SURGE/HEAVE TESTS

One of the advantages of the concept is the ability to decompose the motion into heave and surge. In this case a small barge was tested to see if response was elicited, with only a surge motion profile.

PUBLICATIONS

  • Berque, J. (Pendiente) | Physical modelling of the Behaviour in a flow of obects whose dimensions are smaller than the spatial scale of variation of the flow | EP23382024. Solicitada a la oficina Española de patentes y marcas

  • Berque, J., Zárate, I., Blanco, J. M., Bidaguren, I., Touzon, I., & Fernandez, L. (2023) | A new type of wave tank: Prototype and proof of concept | Proceedings of the European Wave and Tidal Energy Conference, 15 | DOI: 10.36688/ewtec-2023-276

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