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Origin of effective non-Fourier heat conduction phenomena in heterogeneous materials
Róbert Kovács
Phenomenological models of non-Fourier heat conduction often lack a strict microstructural foundation, leading to ambiguities when modeling complex heterogeneous materials. In this…
Thermodynamically consistent initialization of the Maxwell--Cattaneo---Vernotte heat conduction model: Analytical solutions and engineering applications
Zalán Sándor, Róbert Kovács
This paper investigates the numerical initialization of the one-dimensional Maxwell--Cattaneo--Vernotte (MCV) heat conduction model, addressing the critical mathematical challenge…
Discovering correlations between metal foam thermal characteristics and non-Fourier behavior
Anna Fehér, Dániel Cseh, Róbert Kovács
Due to their low density and large specific surface area, metal foams are increasingly used as cellular materials that combine excellent structural and thermal properties. Their ce…
Investigating the whirling heat current density in the Guyer--Krumhansl equation
Mátyás Szücs, Carmelo Filippo Munafo, Róbert Kovács
Among the numerous heat conduction models, the Guyer--Krumhansl equation has a special role. Besides its various application possibilities in nanotechnology, cryotechnology, and ev…