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This paper presents the design, simulation, and experimental validation of a waterjet propulsion system for autonomous boats. Core parameters, including jet velocity Vj, outlet diameter Dj and turning radius, were calculated based on hydrodynamic principles. The system was modeled and simulated using Maxsurf, SolidWorks, Inventor, and Ansys, followed by prototyping and field testing. The fabricated prototype achieved a stable speed of 22.0 ± 0.5 km/h and a turning radius of less than 2 m, demonstrating superior maneuverability and performance suitable for autonomous operations in both river and sea conditions, including challenging environments up to storm level 6.

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Researching, Calculating, and Designing Propulsion Systems for Autonomous Boats on Rivers and Seas

  • 会议论文

  • 发表日期：

    2026年

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  • Tran Nguyen Thien Son,
  • Bui Trong Hieu,
  • Vu Trong Bach

摘要

This paper presents the design, simulation, and experimental validation of a waterjet propulsion system for autonomous boats. Core parameters, including jet velocity Vj, outlet diameter Dj and turning radius, were calculated based on hydrodynamic principles. The system was modeled and simulated using Maxsurf, SolidWorks, Inventor, and Ansys, followed by prototyping and field testing. The fabricated prototype achieved a stable speed of 22.0 ± 0.5 km/h and a turning radius of less than 2 m, demonstrating superior maneuverability and performance suitable for autonomous operations in both river and sea conditions, including challenging environments up to storm level 6.