September 10, 2025Physics of Fluids

Enhanced air layer stability of hierarchical grooves with heterogeneous wettability surfaces

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Authors

BYBoyue YangNanjing University of Posts and Telecommunications JWJ.P. WangUniversity of Minnesota XSXuesong ShiHarbin Engineering University

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Implication

Experiments demonstrate a 88.3% air reservation rate with hierarchical grooves and heterogeneous wettability, suggesting effective friction reduction.

Key Points

The innovative hierarchical groove structure significantly improves air layer stability in underwater environments.
Results reveal that the optimized design achieves air reservation rates of 88.3% at 1 m/s and 81.9% at 2 m/s.
This observational analysis showcases the superior air entrapment capabilities of superhydrophobic microgrooves.
The findings suggest practical applications for drag reduction in low-speed underwater flows, benefiting vehicle design.

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Yang et al. (2025) studied this question.

synapsesocial.com/papers/68c23b08b210217d64783603 https://doi.org/10.1063/5.0284950

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Implication

Experiments demonstrate a 88.3% air reservation rate with hierarchical grooves and heterogeneous wettability, suggesting effective friction reduction.

Enhanced air layer stability of hierarchical grooves with heterogeneous wettability surfaces

Discussion

Member takes

Implication

Key Points

Cite This Study

Enhanced air layer stability of hierarchical grooves with heterogeneous wettability surfaces

Discussion

Member takes

Implication

Key Points

Cite This Study

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