A study of the effect of binary oxide materials in a single droplet vapor explosion
2013 (English)In: Nuclear Engineering and Design, ISSN 0029-5493, E-ISSN 1872-759X, Vol. 264, 168-175 p.Article in journal (Refereed) Published
In an effort to explore fundamental mechanisms that may govern the effect of melt material on vapor explosion's triggering, fine fragmentation and energetics, a series of experiments using a binary-oxide mixture with eutectic and non-eutectic compositions were performed. Interactions of a hot liquid (WO3-CaO) droplet and a volatile liquid (water) were investigated in well-controlled, externally triggered, single-droplet experiments conducted in the Micro-interactions in steam explosion experiments (MISTEE) facility. The tests were visualized by means of a synchronized digital cinematography and continuous X-ray radiography system, called simultaneous high-speed acquisition of X-ray radiography and photography (SHARP). The acquired images followed by further analysis indicate milder interactions for the droplet with non-eutectic melt composition in the tests with low melt superheat, whereas no evident differences between eutectic and non-eutectic melt compositions regarding bubble dynamics, energetics and melt preconditioning was observed in the tests with higher melt superheat.
Place, publisher, year, edition, pages
2013. Vol. 264, 168-175 p.
IdentifiersURN: urn:nbn:se:kth:diva-134675DOI: 10.1016/j.nucengdes.2013.02.017ISI: 000326767400019ScopusID: 2-s2.0-84885180403OAI: oai:DiVA.org:kth-134675DiVA: diva2:677270
QC 201312092013-12-092013-11-272013-12-09Bibliographically approved