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Glass melting and its innovation potentials : the role of glass flow in the bubble-removal process
- 1.0317961 - ÚACH 2009 RIV CZ eng J - Journal Article
Němec, Lubomír - Cincibusová, P.
Glass melting and its innovation potentials : the role of glass flow in the bubble-removal process.
[Tavení skel a jeho inovační potenciál:úloha povahy proudění v tavicím prostoru při odstraňování bublin.]
Ceramics - Silikáty. Roč. 52, č. 4 (2008), s. 240-249. ISSN 0862-5468. E-ISSN 1804-5847
R&D Projects: GA MPO 2A-1TP1/063
Institutional research plan: CEZ:AV0Z40320502
Keywords : bubble removal * temperature gradients * glass-flow patterns,
Subject RIV: CA - Inorganic Chemistry
Impact factor: 0.644, year: 2008
This work demonstrates how the temperature distribution and glass-melt flow patterns resulting from these temperature gradients in a simple melting space or tank (horizontal orthogonal channel) influence the bubble removal from the melt, depending on changes of the utilisation (by changes in temperature distribution) of the space for the bubble removal process. The results indicate that the effect of the glass-melt flow pattern and the consequent space utilisation on bubble-removal (fining) may be described by two quantities, namely the virtual height of the bubble rising (the height which the bubble has to rise against downward glass-melt flow to the glass level) and the virtual fraction of dead space for the bubble-removal process (the space ineffective for the removal of the critical bubble).
Práce ukazuje význam struktury proudění v modelovém tavicím prostoru tvaru pravoúhlého otevřeného kanálu, vyvolané teplotními gradienty v roztaveném skle, na průběh odstraňování bublin.
Permanent Link: http://hdl.handle.net/11104/0004950
Number of the records: 1