Thermal diffusivity of foods measured by simple equipment |
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Authors: | K. Porsdal Poulsen |
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Affiliation: | Technical University of Denmark, Building 221, DK-2800 Lyngby, Denmark |
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Abstract: | This paper describes how measurements of thermal diffusivity can be made by cheap, simple equipment available in most laboratories. The food sample is filled into a cylinder and a thermogram is plotted after placing the cylinder in a thermostatically controlled water bath. The diffusivity is calculated from the graph. Diffusivities thus obtained are in good agreement with data from literature. |
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