Atomization of Liquid Droplets Due to Air Streams. 1st Report. Displacement of a Liquid Droplet.
نویسندگان
چکیده
منابع مشابه
Displacement of liquid droplets on a surface by a shearing air flow.
The motion of droplets on surfaces is crucial to the performance of a wide range of processes; this study examines the initiation of droplet motion through a shearing mechanism generated here by a controlled air flow. Systematic experiments are carried out for a range of fluids and well defined surfaces. A model is postulated that balances surface tension forces at the contact line and the drag...
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The damped oscillations of liquid-immersed ferrofluid sessile droplets were studied with high-speed imaging experiments and analytical modeling to develop a novel microrheology technique. Droplet oscillations were induced with an external magnetic field, thereby avoiding transients in the resulting vibrational response of the droplet. By following the droplet relaxation with a high-speed camera...
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The present study discuss controlling mechanisms of air-blast atomization and the prospect of external triggering for enhancing atomization quality of a planar liquid sheet. The investigation builds on previous experimental evidence provided by flow visualization of 2-D liquid sheets formed between two co-flowing air streams at variable velocities, and is particularly aimed to improve our under...
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We study drop impact on a deep pool of the same fluid, with an emphasis on the air layer trapped under the droplets from its formation to its rupture. The penetration velocity of the air layer at a very short time scale prior to its rupture is shown, using an energy argument and experimental verification, to be one-half of the impact velocity. We then deduce the dependence of the rupture positi...
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Two idealized models for the preheat s tage of liquid droplets are ana lyzed theoretically . These models conta in the effects of transie nt heat conduction and evaporati on. It is assumed that the droplet surface a rea decreases linearly with time. This assumption necessitates the solution of mov ing boundary problems . These models, however, do not consider gas-phase mass transport . In the f...
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ژورنال
عنوان ژورنال: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B
سال: 1996
ISSN: 0387-5016,1884-8346
DOI: 10.1299/kikaib.62.3076