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Use of a fictitious Marangoni number for natural convection simulation

Autor
Arias, F.J.; Parks, G.
Tipus d'activitat
Article en revista
Revista
International journal of heat and mass transfer
Data de publicació
2015-09
Volum
88
Pàgina inicial
323
Pàgina final
329
DOI
https://doi.org/10.1016/j.ijheatmasstransfer.2015.04.089 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S0017931015004597 Obrir en finestra nova
Resum
In this paper, a method based on the use of a fictitious Marangoni number is proposed for the simulation of natural thermocapillary convection as an alternative to the traditional effective diffusivity approach. The fundamental difference between these two methods is that the new method adopts convective mass flows in simulating natural convection. Heat transfer in the natural convection simulation is calculated through the mass transport. Therefore, empirical Nusselt numbers correlations requir...
Paraules clau
Computational fluid dynamics (CFD), Effective thermal conductivity, Marangoni convection, Natural convection

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