2014
DOI: 10.1002/cite.201300150
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Comparison of the Mass Transfer of Pendant and Levitated Droplets in CO2

Abstract: In einem akustischen Hochdruck‐Levitator können Flüssigkeiten berührungslos untersucht werden. Hier wurden akustisch levitierte Wassertropfen und hängende Wassertropfen bzgl. des Stofftransportkoeffizienten in einer ruhenden CO2‐Atmosphäre unter erhöhten Drücken verglichen. Anhand der Tropfengeometrie bzw. der zeitlichen Abnahme des Tropfenvolumens konnte der Stoffübergangskoeffizient von Wasser in Kohlenstoffdioxid zu jedem Zeitpunkt berechnet werden. Zudem wurden offene Fragen bezüglich möglicher Unterschied… Show more

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Cited by 2 publications
(2 citation statements)
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“…Apart from the rising particles, also counter‐current flow can be used to realize mass transfer measurements over a longer period of time. Acoustic levitation is another useful tool to describe velocity profiles and concentrations, respectively mass transfer around single particles . The basic principle of the acoustic levitation is to generate a constant force field via high‐intensity sound waves, which are used to counteract the gravitational force .…”
Section: Single Particle Characterizationmentioning
confidence: 99%
See 1 more Smart Citation
“…Apart from the rising particles, also counter‐current flow can be used to realize mass transfer measurements over a longer period of time. Acoustic levitation is another useful tool to describe velocity profiles and concentrations, respectively mass transfer around single particles . The basic principle of the acoustic levitation is to generate a constant force field via high‐intensity sound waves, which are used to counteract the gravitational force .…”
Section: Single Particle Characterizationmentioning
confidence: 99%
“…However, the detailed effect of the acoustic wave forces on the coalescence process should be investigated in advance. Currently it is mainly used for mass transfer analysis around single particles . It is known that mass transfer processes also affect the coalescence behavior of drops and bubbles.…”
Section: Single Particle Characterizationmentioning
confidence: 99%