The Alternative Model of Water Vapour Sorption in Porous Building MaterialsReport as inadecuate




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Transport in Porous Media

, Volume 95, Issue 1, pp 21–23

First Online: 20 June 2012Received: 01 March 2012Accepted: 28 May 2012

Abstract

Mathematical modelling of water sorption in porous building materials is considered. The explanations of inadequacies of both Brunauer–Deming–Deming–Teller model for the high relative humidities range and Frenkel–Halsey–Hill model for the low relative humidities range reported by Pavlík et al. Transp. Porous Med. 91:939–954, 2012 are proposed. The generalized D’Arcy and Watt GDW model is proposed as a simpler alternative for a procedure of experimental isotherms fitting proposed by Pavlík et al. The suitability of the GDW equation to describe the water sorption isotherms in the building materials for the whole range of relative humidities is confirmed.

KeywordsPorous building materials Water sorption Mathematical modelling GDW model  Download to read the full article text



Author: Sylwester Furmaniak

Source: https://link.springer.com/







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