2016
DOI: 10.1051/epjconf/201611402031
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Experimental study of submillimeter droplets dynamics and breakup in continuous supersonic flow terminated by shock wave

Abstract: Abstract. The present paper reports an application of optical methods, namely PIV, background-oriented-schlieren (BOS) and high-magnification imaging with background illumination to study of dynamics and breakup of 10-100 ȝm size droplets in continuous supersonic flow terminated by a normal shock wave. Flow diagnostics was performed by means of BOS and PIV. Shadow photography allowed to specify velocity ranges for different droplet sizes and to visualize droplets dynamics and breakup modes. Features of the exp… Show more

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Cited by 4 publications
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“…In order to visualize and identify fluid structures that occur during the water droplet deformation and breakup process, different techniques of image acquisition can be employed: shadowgraph images [3,4,12,13,14], interpherometry [1,15] and direct illumination images [16]. Due to the difficulty associated to using direct illumination in transparent liquids, the shadowgraph technique has mainly been used in the past, providing only the distorted droplet contour.…”
Section: Introductionmentioning
confidence: 99%
“…In order to visualize and identify fluid structures that occur during the water droplet deformation and breakup process, different techniques of image acquisition can be employed: shadowgraph images [3,4,12,13,14], interpherometry [1,15] and direct illumination images [16]. Due to the difficulty associated to using direct illumination in transparent liquids, the shadowgraph technique has mainly been used in the past, providing only the distorted droplet contour.…”
Section: Introductionmentioning
confidence: 99%