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Research on the Anti-Erosion Mechanism of the Shell Surface Structure Based on Numerical Simulation
Zhenjiang Wei1, Chengchun Zhang2, Xiaomin Liu1,3
1Department of Mechanical and Electronic Engineering, Heze University, Heze 274015, China.
Biomimetics (Basel, Switzerland)
|January 27, 2026
Summary
A novel ribbed surface significantly reduces erosion by 29% under liquid-solid two-phase flow. This bio-inspired design lowers particle impact velocity, offering solutions for erosion-prone equipment.
Area of Science:
- Materials Science
- Fluid Dynamics
- Biomimetics
Background:
- Erosion from liquid-solid two-phase flow poses a significant challenge in various industrial applications.
- Developing surfaces with enhanced erosion resistance is crucial for extending equipment lifespan and reducing maintenance costs.
Purpose of the Study:
- To introduce and evaluate a novel biological surface design for improved resistance to erosion.
- To investigate the efficacy of a ribbed surface structure compared to a smooth surface under erosive flow conditions.
Main Methods:
- Numerical simulations were employed to model and analyze the erosion process.
- The study focused on the interaction of particles with both smooth and ribbed shell surfaces.
Main Results:
- The ribbed shell exhibited a 29.08% lower total erosion rate compared to the smooth shell when flow was perpendicular to the ribs.
- Particle impact velocity on the ribbed shell was reduced by 15.91% for 0.5 mm diameter particles.
- A low-velocity flow field within the rib grooves was identified as the mechanism for particle deceleration.
Conclusions:
- The ribbed surface structure demonstrates superior erosion resistance compared to smooth surfaces.
- The findings suggest that bio-inspired ribbed designs can effectively mitigate erosion in liquid-solid two-phase flow.
- This research provides valuable insights for designing more durable equipment susceptible to particle erosion.
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