5 ms·
True! So I wonder how this works for above-ground pipes. If the water is sitting in some U-pipe would it not just leak out because its velocity is zero? Or are
by anonytrary 5y ago
True! So I wonder how this works for above-ground pipes. If the water is sitting in some U-pipe would it not just leak out because its velocity is zero? Or are the holes so small that the σ > p even at rest?
- necovek 5y agoThe pipes described here do not leak water: the holes are so tiny that the surface tension does not let water spill out. They let air molecules reach the water though. In the abstract they mention how this could be useful in cooling systems and such (iow, you are unlikely to use this for drinking water).
- AstralStorm 5y agoThey will leak chlorine or iodine gas from water if that's used for disinfection. Assuming something won't get into water via the pores... Even in a cooling system contamination can be a problem regardless of how good the biocide is.