Publicou 12 edições por ano
ISSN Imprimir: 1091-028X
ISSN On-line: 1934-0508
Indexed in
Experimental Study of Non-Fourier Thermal Response in Porous Media
RESUMO
An experimental study of the non-Fourier behavior in porous media due to short time thermal perturbation is presented. The governing energy equation is formulated based on the two-equation model and the non-Fourier heat conduction model. This formulation leads to the emergence of three thermal lag times. These parameters account for the thermal interaction between the fluid and the neighboring solid matrix, as well as the delay time needed for both phases to approach thermal equilibrium. An experimental verification of this theoretical model was performed under standard laboratory conditions. The values of the aforementioned thermal parameters were determined from the measured solid temperature at different locations. The results indicate a satisfactory agreement between the experimental data and the non-Fourier conduction model, whereas the deviation from a prediction based on the Fourier conduction is significant.
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