Acoustic Method of Measuring Thermal Conductivity of Construction Materials
Abstract
ACOUSTIC METHOD OF MEASURING THERMAL CONDUCTIVITY OF CONSTRUCTION MATERIALS Materials science in construction often faces the problem connected with measurements based on calibrating, extrapolational and adjustable dependences. The technological properties can be estimated by these dependences, however, the determination of thermal conductivity requires new measuring methods. This method is based on the properties of the composition and structure of the foam glass-ceramic material. The paper presents a simple non-destructive acoustic method for measuring thermal conductivity. A new foam glass-ceramic material modified by nanostructured zirconium dioxide particles is investigated in this paper. It is shown that zirconium dioxide significantly modifies the vibration spectrum and photon scattering responsible for heat transfer.
About the Authors
Aleksandr V. Votinov
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
Boris S. Semukhin
Tomsk State University of Architecture and Building; Institute of Strength Physics and Materials Science
Russian Federation
Russian Federation
Gennadii I. Kovalev
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
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Review
For citations:
Votinov A.V., Semukhin B.S., Kovalev G.I. Acoustic Method of Measuring Thermal Conductivity of Construction Materials. Vestnik of Tomsk state university of architecture and building. 2016;(6):181-188. (In Russ.)
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