I'm doing a cfx simulation of a multiphase flow in pultrusion and i set the Interfacial Area density in the heat exchange of a porous medium in this way
IAD=Total fiber lateral surface of fiber inside the cube/Cube volume
Lutfiddin Olimov
We have obtained an expression for determining the size of micro-voids formed in the region of grain boundaries and associated with the concentration of impurity atoms in this region:
100-у=х (1)
Here, x - is the microvoid, y - is the amount of impurities that are determined experimentally (%).
Try using this expression
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