Measurement of Thermal Properties of Biosourced Building Materials |
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Authors: | Thomas Pierre Thibaut Colinart Patrick Glouannec |
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Affiliation: | 1. Laboratoire d’Ingénierie des MATériaux de Bretagne (LIMATB)—EA4250, Université de Bretagne-Sud, Université Européenne de Bretagne, Rue de Saint Maudé, BP 92 116, 56 321, Lorient Cedex, France
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Abstract: | This paper presents both experimental and theoretical works concerning the evaluation of the thermal conductivity and thermal diffusivity of hemp concrete. Experimental measurements of thermal properties are performed using a hot-strip technique for temperatures ranging from \(-\) 3 \(^{\circ }{\text{ C }}\) to 30 \(^{\circ }{\text{ C }}\) and relative humidities ranging from 0 % to 95 %, thus creating a large database for this material. These experimental thermal conductivities are then compared with the results from the Krischer theoretical predictive model. The comparison shows good agreement, and a predictive analytical relation between the hemp concrete thermal conductivity, temperature, and relative humidity is determined. |
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