Reduction of barnacle recruitment on micro‐textured surfaces: Analysis of effective topographic characteristics and evaluation of skin friction
| Autor: | Lars Larsson, Per R. Jonsson, Kent M. Berntsson, Håkan Andréasson, Paul Gatenholm, K Ring, Sarunas Petronis |
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| Rok vydání: | 2000 |
| Předmět: | |
| Zdroj: | Scopus-Elsevier |
| ISSN: | 1029-2454 0892-7014 |
| DOI: | 10.1080/08927010009378449 |
| Popis: | This study investigates five designed micro‐textured surfaces and their effects on barnacle fouling and hydrodynamic drag. Three of the micro‐textures were developed in the present study and evaluated together with two commercial riblet films. All micro‐structures were arranged as longitudinal grooves with different profile depths, widths and angles of inclination. In field tests the recruitment of the barnacle Balanus improvisus on micro‐textured surfaces and smooth controls was evaluated. All micro‐textured surfaces reduced recruitment, and the most efficient texture reduced recruitment by 98%. For some micro‐textures the reduction of recruitment declined as settlement intensity increased. In a correlative analysis, the trigonometric inclination of the micro‐structures explained most of the recruitment reduction. The steepest angle of inclination caused a massive reduction in barnacle settlement. Surface micro‐structures may affect the boundary‐layer flow and the hydrodynamic drag (skin friction) of the... |
| Databáze: | OpenAIRE |
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