Abstract
On the investigation of biomimetic drag-reducing surface, direct replication of the firm scarfskins on low-resistance creatures to form biomimetic drag-reducing surfaces with relatively vivid morphology relative to the living prototype is a new attempt of the bio-replicated forming technology. Taking shark skin as the bio-replication template, the hot embossing method was applied to the micro-replication of its outward morphology. Furthermore, the skins were jointed together to form the drag-reducing surface in large area. The results of the resistance measurements in a water tunnel according to the flat-plate sample pieces have shown that the biomimetic shark-skin coating fabricated by the bio-replicated forming method has significant drag reduction effect, and that the drag reduction efficiency reached 8.25% in the test conditions.
| Original language | English |
|---|---|
| Pages (from-to) | 1587-1592 |
| Number of pages | 6 |
| Journal | Chinese Science Bulletin |
| Volume | 53 |
| Issue number | 10 |
| DOIs | |
| State | Published - May 2008 |
Keywords
- Bio-replicated forming
- Biomimetic drag-reducing surface
- Hot embossing
- Shark skin
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