What are the established mathematical models for predicting porosity, bulk density or surface area of particles?

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Jose M. Vicaria

Sorry, but I do not know mthematical models to evaluate these parameters. Best regards.

S. Chakraverty

If you have experimental data then you may also use ANN models to predict those!

Adrian Muntean

Averaging techniques (homogenization, renormalisation, volume averaging etc.) can sometimes provide explicit formulas for the porosity, etc. depending on the microstructure of the material. Such formulas are also computable provided the randomness of the material is well-understood.