Technical Physics Letters
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- 2023
- 2022
Thermal conductivity of a composite based on n-alkane and nanosized additives
Composites based on n-alkane and nanoscale additives were investigated to determine the efficiency of heat transfer during phase transitions in phase change materials. There was justified a new technique for obtaining thermal conductivity by analyzing shapes of the peaks recorded in thermograms by the method of differential scanning calorimetry. It was found that the thermal conductivity of composite materials is several times higher than the thermal conductivity of the initial n-alkane. The observed effect is due to the specificity of the supramolecular nanostructure of the composite, which differs from the supramolecular structure of the nonadecane. Keywords: conductivity, composite, phase transitions, n-alkane.
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