STEM与日常科技·英语30篇（5）

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鲨鱼皮仿生涂层：如何通过仿生学降低船舶8%燃油消耗

Scientists studied tiny ridges on shark skin that reduce water drag while swimming.
Engineers copied these microscopic patterns onto special polymer coatings for ship hulls.
This biomimetic surface disrupts turbulent flow, letting vessels glide more smoothly through oceans.
Tests show coated ships use up to 8% less fuel over long voyages compared to traditional paints.
The coating also resists barnacle attachment without toxic biocides, protecting marine ecosystems.
Unlike older antifouling methods, it works passively—no electricity or moving parts required.
Researchers now adapt the same principle for wind turbine blades and swimming suits.
Manufacturers apply it like spray paint, making retrofitting feasible for existing fleets.
Ongoing trials monitor durability under saltwater corrosion and UV exposure for five-year lifespans.
This innovation proves nature’s designs can solve modern energy challenges efficiently.