Ultrasonic Atomization of Liquids
作者:
Robert J. Lang,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1962)
卷期:
Volume 34,
issue 1
页码: 6-8
ISSN:0001-4966
年代: 1962
DOI:10.1121/1.1909020
出版商: Acoustical Society of America
数据来源: AIP
摘要:
An experimental study was made of the mechanism by which the ultrasonic vibration of liquid surfaces causes atomization.At exciting frequencies in the range of 10 to 800 kc, uniform patterns of crossed capillary waves were found on the liquid surface when atomization occurred. The number‐median diameter of the particles produced was found to be a constant fraction, 0.34, of the capillary wavelength; the capillary wavelength is calculable by Kelvin's equation using the exciting frequency and properties of the fluid being atomized.The evidence is strong that the mechanism of ultrasonic atomization involves the rupture of capillary surface waves and the subsequent ejection of the wave peaks from the surface as particles.
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