Using measured surface roughness and FEM contact pressures, Persson-theory leakage predictions match dry air leak-rate measurements on a syringe stopper-glass barrel interface, with high sensitivity near percolation.
At lower pa, the influence of changes in p0 and E on ˙V is more pronounced than at higher pa
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Leakage at interfaces: a comprehensive study based on Persson contact mechanics theory
Using measured surface roughness and FEM contact pressures, Persson-theory leakage predictions match dry air leak-rate measurements on a syringe stopper-glass barrel interface, with high sensitivity near percolation.