Experimental and Theoretical Study of Heat Transport Parameters of Plasters Containing Pozzolanic Admixtures

Lukáš Fiala; Monika Čáchová; Eva Vejmelková; Robert Černý

doi:10.4028/www.scientific.net/KEM.675-676.569

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 675-676Experimental and Theoretical Study of Heat...

Experimental and Theoretical Study of Heat Transport Parameters of Plasters Containing Pozzolanic Admixtures

Abstract:

Measurements of basic materials properties of building materials with pozzolanic waste admixture originated from grinding of thermally insulating bricks were performed by means of pycnometry method. Besides, the thermal conductivity dependence on the moisture content measurements were carried out by using a non-stationary pulse method. Obtained data were subsequently analyzed by simple Wiener’s bounds and sophisticated homogenization formula taking into account the shape of ellipsoidal pore inclusions. Validity of applied homogenization models were assessed by comparison of the measured and the calculated data. On the basis of experimental data and homogenization analysis, the shape effect on the thermal conductivity is discussed.

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Periodical:

Key Engineering Materials (Volumes 675-676)

Pages:

569-572

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.675-676.569

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Online since:

January 2016

Authors:

Lukáš Fiala*, Monika Čáchová, Eva Vejmelková, Robert Černý

Keywords:

Homogenization, Plaster, Pozzolana Admixture, Shape Factor

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