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Drop Breakup in Liquid‐Liquid Dispersions at an Orifice Plate Observed in a Large‐Scale Model
Author(s) -
Budde C.,
Schaffner D.,
Walzel P.
Publication year - 2002
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/1521-4125(20021210)25:12<1164::aid-ceat1164>3.0.co;2-e
Subject(s) - breakup , body orifice , mechanics , drop (telecommunication) , scale (ratio) , dispersion (optics) , liquid liquid , weber number , scale model , break up , materials science , flow (mathematics) , oil droplet , orifice plate , meteorology , turbulence , optics , chemistry , physics , chromatography , chemical engineering , engineering , aerospace engineering , emulsion , mechanical engineering , reynolds number , quantum mechanics
Fine emulsions, i.e. a dispersion of fine liquid droplets in another liquid, can be obtained by forced flow of a coarse predispersion through small orifices. Direct observations of droplets at the original scale is nearly impossible. A promising solution is a large scale‐up, considering the most important scale factors. The experiments presented here were conducted on a model 250 times the original size, while maintaining strong hydromechanical similarity. The breakup of single oil droplets in water was documented with a highspeed camera.
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