Gurley method
Gurley method
(OP)
Could someone explain me what is the Gurley method to determine the airflow through a material & give the relationship w/ the airflow in ml/(min.mm².mbar) ?
thx
thx
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RE: Gurley method
Gurley numbers are used to indicate the relative permeability of membranes or materials...The number (in sec) is obtained by measuring how long a known volume of air at constant pressure takes to pass through a material.
Your constants would be air Pressure, Area of membrane...
Here is a website you might find interesting...
www.gpi-test.com. In the past, I've run across some good literature on this from WL Gore...the manufacturer of GoreTex!!