Articles | Volume 20, issue 5
Research article
03 May 2016
Research article |  | 03 May 2016

The referential grain size and effective porosity in the Kozeny–Carman model

Kosta Urumović and Kosta Urumović Sr.


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Short summary
Calculation of hydraulic conductivity of porous materials is crucial for further use in hydrogeological modeling. The Kozeny–Carman model is theoretically impeccable but has not been properly used in recent scientific and expert literature. In this paper, proper use of the Kozeny-Carman formula is given through presentation of geometric mean grain size in the drilled-core sample as the referential mean grain size. Also, procedures for identification of real effective porosity of porous media are presented.