A study of the effect of binary oxide materials in a single droplet vapor explosion

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 l...

Full description

Saved in:
Bibliographic Details
Published in:Nuclear engineering and design 2013-11, Vol.264, p.168-175
Main Authors: Hansson, R.C., Dinh, T.N., Manickam, L.T.
Format: Article
Language:English
Subjects:
Droplets
Dynamics
Eutectic composition
Eutectics
Explosions
Melts
Nuclear reactor components
X-ray radiography
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary: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.
ISSN:0029-5493
1872-759X
1872-759X
DOI:10.1016/j.nucengdes.2013.02.017