Fluidic diodes have been built and used, but the most common design is a &quot;vortex diode&quot;.[1]  Something similar to Tesla&#x27;s design has been built and used, though.[2]  The main applications are in nuclear reactors, where there&#x27;s a need for one-way valves that will last many decades without servicing.  A no-moving-parts solution is preferred.<p>[1] <a href="http:&#x2F;&#x2F;www.nuvisioneng.com&#x2F;Portals&#x2F;0&#x2F;ProductProfiles&#x2F;Legacy&#x2F;VORTEXDIODE.pdf" rel="nofollow">http:&#x2F;&#x2F;www.nuvisioneng.com&#x2F;Portals&#x2F;0&#x2F;ProductProfiles&#x2F;Legacy&#x2F;...</a>
[2] <a href="http:&#x2F;&#x2F;www.witpress.com&#x2F;papers&#x2F;view&#x2F;23588" rel="nofollow">http:&#x2F;&#x2F;www.witpress.com&#x2F;papers&#x2F;view&#x2F;23588</a>