| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Furmański, Piotr
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2020On the anisotropy of thermal conductivity in ceramic brickscitations
- 2020Micro-macro heat conduction model for the prediction of local, transient temperature in composite mediacitations
- 2018Investigations on thermal anisotropy of ceramic bricks
- 2015Unconventional experimental technologies used fo phase change materials (PCM) characterization. Part 2 – morphological and structural characterization, physico-chemical stability and mechanical propertiescitations
- 2015Front tracking method in modeling transport phenomena accompanying liquid–solid phase transition in binary alloys and semitransparent mediacitations
- 2015Micro-macro model for prediction of local temperature and concentration distribution in two-phase media
- 2014Micro-macro model for prediction of local temperature distribution in heterogeneous and two-phase media
- 2004Microscopic-macroscopic Modeling of Transport Phenomena During Solidification in Heterogeneous Systems
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article
Micro-macro model for prediction of local temperature distribution in heterogeneous and two-phase media
Abstract
Heat flow in heterogeneous media with complex microstructure follows tortuous path and therefore determination of temperature distribution in them is a chellanging task. Two-scales, micro-macro model of heat conduction with phase change in such media was considered in the paper. A relation between temperature distribution on the microscopic level, i. e., on the level of details of microstructure, and the temperature distribution on the macroscopic level, i. e., on the level where the properties were homogenized and treated as effective, was derived.The expansion applied to this relation allowed to obtain its more simplified, approximate form corresponding to separation of micro-and macro-scales. Then the validity of this model was checked performing calculations for 2D microstructure of a composite made of two constituents. The range of application of the proposed micro-macro model was considered in transient states of heat conduction both for the case when the phase change in the material is present and when it is absent. Variation of the effective thermal conductivity with time was considered and a criterion was found for which application of the considered model is justified.