Numerical simulation of the detachment of bubbles from a rough surface at microscale level

► Bubble detachment from cavities of a heated plate is studied in microscale. ► Vapor generation rate depends on the geometrical parameters of the cavity. ► Neighbouring cavities can deactivate each other or freezing the nucleation. In this paper nucleate boiling is studied at microscale level in tw...

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Veröffentlicht in:	Nuclear engineering and design 2012-07, Vol.248, p.263-269
Hauptverfasser:	MARKUS, Attila, HAZI, Gabor
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Bubbles Controled nuclear fusion plants Density Detachment Energy Energy. Thermal use of fuels Exact sciences and technology Fission nuclear power plants Focusing Fuels Holes Installations for energy generation and conversion: thermal and electrical energy Neighbouring Nuclear engineering Nuclear fuels Nucleation
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Zusammenfassung:	► Bubble detachment from cavities of a heated plate is studied in microscale. ► Vapor generation rate depends on the geometrical parameters of the cavity. ► Neighbouring cavities can deactivate each other or freezing the nucleation. In this paper nucleate boiling is studied at microscale level in two dimensions focusing on the influence of the cavity size and density on the growth and detachment of a single bubble. Furthermore the interactions of bubbles detaching from two neighbouring nucleation sites are studied in details.
ISSN:	0029-5493 1872-759X
DOI:	10.1016/j.nucengdes.2012.03.040