Abstract:
The paper presents the results of experimental study of intense fragmentation of two-liquid droplets of the core/shell type (water/flammable liquid) during heating in a high-temperature medium. Water concentration in the two-liquid droplets was 10 $\pm$ 2 vol.%. Ranges of variation in fragmentation intensities in the puffing and microexplosion modes proved to be $<$ 150 s$^{-1}$ and $>$ 500 s$^{-1}$, respectively. The study has shown that, as the gas medium temperature increases in the range of 600 $\pm$ 10 to 750 $\pm$ 10 K, the microexplosion fragmentation intensities increase more than 5 times in the case of isolated two-liquid water/rapeseed oil droplets, 1.5 times in the case of water/diesel fuel droplets, and 2.4 times in the case of water/kerosene droplets.
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