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Segregation due to motion of front of solidification in phase change materials systems and dependence with shape and dimension factors

Autor
Arias, F.J.; Wang, X.
Tipus d'activitat
Article en revista
Revista
Applied thermal engineering
Data de publicació
2015-01-22
Volum
75
Pàgina inicial
366
Pàgina final
370
DOI
https://doi.org/10.1016/j.applthermaleng.2014.10.082 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S1359431114009636 Obrir en finestra nova
Resum
The present work investigates the segregation of particles due to the motion of front of solidification in phase change materials (PCMs) and its dependence with shape and dimension factors adjustable by design. It is shown that for particle diameters <10 µm this kind of segregation is the dominant mechanism overcoming the gravitational settling. Utilizing a simplified geometrical model on from the solution of Stephan problem, an analytical expression for the dependence of segregation on such fa...
Paraules clau
Colloidal suspension, Phase change material (PCM), Segregation, Surface energy

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