El Instituto Politécnico Nacional
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http://repositoriodigital.ipn.mx/handle/123456789/10857| Título : | Specific Heat Measurements by a Thermal Relaxation Method: Influence of Convection and Conduction |
| Palabras clave : | Specific heat Thermal relaxation method |
| Fecha de publicación : | 16-ene-2013 |
| Editorial : | International Journal of Thermophysics |
| Descripción : | This paper involves the well-known thermal relaxation method for measurement
of the specific heat (c) of thin solid samples. Although this method was
applied successfully in recent years for the characterization of different materials,
in this work some aspects that must be taken into account in order
to avoid problems based on satisfying the required experimental conditions
of heat flux imposed by the physical model used for data analysis and processing
will be discussed. For this purpose, for a given experimental geometry,
the heat diffusion equation will be solved in order to obtain the sample’s
requirements for reliable measurements of c, regarding its thickness and thermal
conductivity. An experimental device is described that can be used for
the study of the influence of heat dissipation by convection on the method.
A computer simulation was performed for comparing the simple model with
one that takes to in account the gradient of temperature inside the sample.
The results of measurements are presented. Research article of journal indexed in ISI database Instituto Politecnico Nacional |
| URI : | http://www.repositoriodigital.ipn.mx/handle/123456789/10857 |
| Otros identificadores : | 0195-928X http://hdl.handle.net/123456789/363 |
| Aparece en las colecciones: | Doctorado |
Ficheros en este ítem:
| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| 2006 IJT-v27-p 1859.pdf | 39.51 kB | Adobe PDF | Visualizar/Abrir |
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