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Design and Construction of Motorized Surfboard

Mozaffari, Yousef | 2022

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 56766 (08)
  4. University: Sharif University of Technology
  5. Department: Mechanical Engineering
  6. Advisor(s): Khorasanchi, Mahdi
  7. Abstract:
  8. Jetsurf is a recreation vessel at sea. It is a surfboard that is equipped with a motor propulsion system and provides surfing, which is an exciting and popular sport, in calm seas, lakes, dams, rivers and natural and artificial canals. This project is divided into four steps. In the first step, the appropriate dimensions for the design of this device are specified. In the second step, to calculate the resistance of jetsurf, at first a model with similar dimensions including experimental results in Star CCM+ software was validated by computational fluid dynamics method and Overset dynamic mesh technique and then jetsurf resistance with dimensions of 1.8x0.6x0.225 meters was calculated. In the third step, the propulsion system has been selected after designing and modeling the waterjet with the MRF1 technique and extracting the thrust force and the curves of the drag coefficient, torque coefficient and waterjet efficiency and a suitable engine. In the fourth step, standard structural considerations for the construction of the vessel were presented. Finally, suggestions were made for the completion and construction of the vessel in the future. According to calculations, this vessel is capable of carrying a rider of 80 kg at a speed of 19 knots
  9. Keywords:
  10. Computational Fluid Dynamics (CFD) ; Waterjet ; Surfing ; Marine Recreation ; Jetsurf

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