Uniform body approximation method for reduced dimensioning sample holders in differential thermal analysis.
DOI:
https://doi.org/10.5433/1679-0375.1992v13n4p231Keywords:
Differential Thermal Analysis, Heat Transfer.Abstract
Many methods can be used to study the thermal properties of materials by the Differential Thermal Analysis (DTA) technique. The usual experimental method to get DTA curve demands the building of the sample holders with previously planned geometry to make the theoretical approach to the heat transmission easier. The description of this approach can be complex. In this article, the application of the Uniform Body Approximation Method, to reduced dimensioning sample holders in DTA, is described. One of the advantages of this method consists of considering the heating or the cooling of the sample and sample holders system as a Newtonian heating or cooling. This simplifies the theoretical approach.
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