Scientists at the University of Washington have developed 3D-printed shark intestine-like pipes, achieving superior fluid flow compared to traditional Tesla valves without moving parts.
The new prototypes replicate shark intestines' spiral shapes, allowing fluids to flow unidirectionally, outperforming Tesla's design, especially with soft polymers, as shown in laboratory tests.
Tesla's original 'valvular conduit' design consisted of interconnected, asymmetric loops that minimize fluid resistance in one direction while creating barriers in the opposite.
Reviews of the Tesla valve revealed its limitations in flow rate control, with water performing only about twice slower in the nonpreferred direction rather than the claimed 200 times.
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