Self-Propulsion of Bionic Flexible Foil and Ground Wall Effects
Author Information
Author(s): Li Yongcheng, Zhang Nan, Tang Xinyuan, Pan Ziying, Xu Pengfei
Primary Institution: China Ship Scientific Research Centre
Hypothesis
How does the ground wall effect influence the propulsive properties of a self-propelled flexible foil?
Conclusion
The presence of a ground wall enhances the forward speed and efficiency of the foil, with a maximum increase of 13% in moving velocity and 10.5% in propulsive efficiency.
Supporting Evidence
- The study shows that the ground wall effect can significantly enhance the lift force and propulsive efficiency of the foil.
- Numerical results indicate that the closer the foil is to the ground wall, the greater the increase in moving velocity.
- The research establishes a connection between the foil's propulsive properties and the surrounding flow structures.
Takeaway
When a flexible foil moves close to a wall, it can swim faster and more efficiently, just like fish do in water.
Methodology
Numerical simulations using ANSYS Fluent to evaluate fluid dynamics of flexible foil under various wall distances.
Limitations
The study primarily focuses on specific Reynolds numbers and may not fully represent real-world conditions.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website