2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/134803We show that the presumed wavy roughness distributed along the wall of different nanopores (radius : a around 3.5 nm for Vycor or a silica glass; around 245 nm for porous gold) will induce larger volume flow rates of solid helium (of which there is a minimum) which might explain reported experimental differences of the supersolid fractions observed so far.one FigureGeneral Physicstext